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YC Summer 2015 (S15) companies

As of Apr 5, 2026, 105 companies · 189 founders

    View on ycombinator.com (opens in a new tab)

    Summer 2015 at a glance

    Companies
    105
    Founders
    189
    Founders per company
    1.8
    Median team size
    15

    Most common tags

    Share of companies. A company can carry several tags.

    • SaaS21 · 20%
    • Fintech14 · 13%
    • Marketplace9 · 9%
    • B2B7 · 7%
    • Developer Tools7 · 7%
    • Hardware6 · 6%

    Where they are based

    Share of 102 companies with a listed location; 82% are in the US.

    • SF Bay Area54 · 53%
    • New York11 · 11%
    • Atlanta3 · 3%
    • London3 · 3%

    Companies in Summer 2015

    105 of 105 companies
    What they do
    Unspecified
    London, England, United Kingdom
    Team of 13
    GPAgent profile

    80,000 Hours builds a free online career guide and one-on-one advising service for talented graduates who want to direct their careers toward high-impact work. It researches which global problems are most urgent and which career paths address them most effectively, replacing the scattered, generic advice graduates would otherwise piece together from conventional sources. The service covers problem prioritization, career reviews, and direct introductions to opportunities in areas such as AI safety, biosecurity, and policy.

    Consumer
    Paris, Île-de-France, France
    Team of 11
    GPAgent profile

    Afrostream operates a subscription streaming service for Black cinema and television, serving audiences of African and African-American descent across Europe and sub-Saharan Africa. The catalog covers films, series, and web series sourced under licensing agreements with major studios, subtitled or dubbed for local markets. It replaces the hunt across general-purpose platforms where this content is scarce or scattered.

    Industrials
    Boston, MA, USA
    Team of 2
    GPAgent profile

    Airmada builds automated ground stations that shelter, recharge, and launch commercial drones without human operators on site. Industrial and commercial operators deploy the stations at a job site to collect aerial data on a recurring or on-demand schedule. The stations replace the ground crew and manual battery swaps that conventional drone operations require.

    Consumer
    GPAgent profile

    The website at apollo.com belongs to Apollo Global Management, a large alternative asset management firm, and does not match the Y Combinator Summer 2015 company described. The program listing provides no description, and the website offers no information about a consumer-facing product or startup. No profile can be accurately constructed from the available sources.

    B2B
    Toronto, ON, Canada
    Team of 2
    GPAgent profile

    Appcanary tracks software dependencies across apps and servers, alerting developers when a package needs to be updated to patch a known vulnerability. It replaces manual auditing of dependency trees and the guesswork of knowing when running software becomes unsafe. The team acquired by GitHub in 2018, where their work continued as part of GitHub's native security alerting tooling.

    B2B
    South San Francisco, CA, USA
    Team of 12
    GPAgent profile

    Assembly installs cameras and remote monitoring software directly on Chinese factory assembly lines, giving product companies real-time visibility into production quality and test-protocol compliance. It serves OEMs sourcing from China who otherwise have no reliable way to verify a factory's quality claims before defects or delays surface. The platform replaces manual audits and after-the-fact quality inspections.

    Industrials
    Santa Clara, CA, USA
    Team of 10
    GPAgent profile

    Auro Robotics builds self-driving shuttle vehicles for contained campus environments: universities, airports, resorts, and retirement communities. The vehicles handle internal passenger transportation, replacing fixed-route buses, golf carts, and on-demand shuttle drivers. Customers get autonomous point-to-point movement within a defined geographic perimeter without a human operator behind the wheel.

    B2B
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Bistrobot builds robotic sandwich-making machines for food service. The robots handle order preparation end to end, replacing the human labor behind the counter and eliminating the order errors and queue delays that come with it.

    Hiring
    B2B
    San Francisco, CA, USA
    Team of 145
    GPAgent profile

    Bitmovin builds video infrastructure tools for OTT providers and developers, covering adaptive streaming playback and cloud encoding. Its HTML5 player and encoding pipeline replace legacy, self-managed video stacks, giving engineering teams configurable, enterprise-grade components they can integrate directly into their platforms. Products span MPEG-DASH and HLS delivery, HEVC and VP9 live streaming at 4K and 60FPS, and containerized encoding via Docker and Kubernetes.

    Consumer
    Berkeley, CA, USA
    Team of 11
    GPAgent profile

    Blitz Esports serves competitive gaming fans and amateur players across League of Legends, CS:GO, and Overwatch through educational video content and an automated coaching app. The coaching app uses computer vision and gameplay data to give players real-time, step-by-step guidance, replacing the need for a human coach or manual replay review. The media side covers esports as a publication, translating professional-level strategy into accessible content for everyday players.

    B2B
    Chicago, IL, USA
    Team of 100
    GPAgent profile

    Bluecrew builds a workforce-as-a-service platform that connects businesses with on-demand, W-2 hourly workers for roles in warehousing, logistics, catering, manufacturing, and related fields. Employers post shifts and Bluecrew's matching algorithm fills them with pre-screened local workers, handling recruiting, background checks, scheduling, time tracking, and payroll. This replaces the manual, paper-heavy process of traditional temp agencies.

    Healthcare
    San Francisco, CA, USA
    Team of 19
    GPAgent profile

    Bodyport builds an FDA-cleared cardiac scale and software platform that lets care teams monitor heart failure patients remotely from home. Patients step on the scale once daily, and it captures hemodynamic signals through their feet, measuring weight, peripheral impedance, pulse rate, balance, and a proprietary Congestion Index. This replaces in-clinic monitoring and manual chart review, giving clinicians longitudinal trend data to intervene before a patient deteriorates and requires hospitalization.

    Hiring
    B2B
    Kowloon, Hong Kong
    Team of 15
    GPAgent profile

    Branch8 provides managed, specialist teams that run e-commerce operations, CRM, and digital platform management for businesses across Asia-Pacific. Clients hand off daily execution on platforms such as Shopify, Adobe Commerce, Salesforce, and HubSpot, replacing the need to hire, onboard, and manage those functions in-house. The service covers everything from campaign execution and order management to custom integrations and platform optimization.

    Healthcare
    NY, USA
    Team of 51
    GPAgent profile

    Call9 delivers emergency medicine and palliative care inside skilled nursing facilities, connecting onsite Clinical Care Specialists with offsite emergency physicians through a proprietary telehealth platform. The system cuts the time a patient waits to reach an emergency physician from over an hour to near-instant. It replaces the default practice of dispatching residents to hospital emergency departments, reducing transfers while keeping patients, families, and caregivers in the loop from the start.

    Healthcare
    San Francisco, CA, USA
    GPAgent profile

    CareLedger helps employers reduce what they spend on employee healthcare by surfacing pricing and quality data on local providers and steering employees toward higher-value options. The platform replaces manual benefits analysis and unguided employee decision-making with structured cost and performance comparisons across nearby providers. Employers gain visibility into provider value and cut overall healthcare spend.

    Consumer
    Dhaka, Dhaka Division, Bangladesh
    Team of 2886
    GPAgent profile

    Chaldal delivers groceries and daily necessities to residents of Dhaka, replacing the need to navigate traffic, weather, and queues at physical stores. Customers order online and receive goods at their door, making routine household shopping a hands-off task.

    Hiring
    Healthcare
    Team of 235
    GPAgent profile

    Circle Medical operates a primary care practice that serves patients through both a mobile app and in-person clinics, covering conditions including ADHD, across all fifty states. Patients book appointments and see licensed providers on their own schedule, replacing the need to find and register with a traditional primary care office. The service accepts insurance and is designed to remove the access barriers, wait times, and logistical friction common to conventional practices.

    Consumer
    Palo Alto, CA, USA
    Team of 28
    GPAgent profile

    Click & Grow builds automated indoor gardens and vertical wall farms for home growers who want fresh herbs, vegetables, and plants without the effort of traditional gardening. Its Smart Garden devices use proprietary Smart Soil and automated controls to regulate water, oxygen, and nutrients, replacing the guesswork and manual upkeep of conventional plant cultivation. Products range from compact three-pod countertop units to 51-plant wall farms.

    B2B
    San Francisco, CA, USA
    Team of 4
    GPAgent profile

    Cloudstitch connects web and mobile apps directly to Google Sheets or Microsoft Office spreadsheets, letting developers use a familiar spreadsheet as the data layer instead of building and maintaining a custom database. Changes in the spreadsheet propagate to the live site, and interactions on the site write back to the spreadsheet. It targets web developers who want to ship data-driven sites without standing up backend infrastructure.

    Healthcare
    St. Louis, MO, USA
    Team of 13
    GPAgent profile

    Cofactor Genomics builds predictive diagnostic tools that help oncologists determine which cancer patients will respond to immunotherapy before treatment begins. Its OncoPrism assay uses RNA-based, multidimensional biomarker modeling to replace single-analyte diagnostics that give clinicians an incomplete picture of tumor response. The technology is being evaluated across 11 solid tumor cancers through the national PREDAPT clinical trial, with the goal of covering half of all cancers diagnosed in the US.

    B2B
    Palo Alto, CA, USA; Remote
    Team of 17
    GPAgent profile

    Confident LIMS builds a cloud-based Laboratory Information Management System for high-throughput analytical testing labs in regulated industries, including cannabis, food and beverage, agriculture, environmental, and specialty chemicals. Labs use it to manage the full testing workflow, from sample intake through reporting, replacing manual processes and disconnected tools. The platform also connects labs with their testing clients through a shared portal, reducing turnaround time and keeping both sides compliant.

    B2B
    Atlanta, GA, USA; Remote
    Team of 3
    GPAgent profile

    Convox builds a platform-as-a-service that deploys and manages applications inside a customer's own AWS, GCP, or Azure account. Engineering teams use it to handle infrastructure provisioning, auto-scaling, CI/CD pipelines, and database management without standing up a dedicated DevOps function. It replaces the manual work of configuring Kubernetes and cloud infrastructure directly, and competes with managed platforms like Heroku and Render.

    B2B
    Tel Aviv-Yafo, Tel Aviv District, Israel
    Team of 11
    GPAgent profile

    Cymmetria builds deception technology that lets enterprise security teams detect and track attackers who have already breached the perimeter. Its products, MazeRunner and ActiveSOC, identify lateral movement, automate incident response, and support attacker hunting, replacing manual, reactive threat detection workflows. Cymmetria also delivers deception as a managed service, letting organizations tailor decoy environments to their own infrastructure.

    Hiring
    Fintech
    MH, India
    Team of 280
    GPAgent profile

    Drip Capital builds trade finance infrastructure for small and midsize businesses that trade across borders. Its AI-driven underwriting and transaction engine automates credit assessment and end-to-end workflow processing, replacing the manual, bank-dependent processes that leave smaller exporters and importers locked out of working capital. The platform connects businesses to a network of capital providers, logistics firms, and B2B invoicing platforms to move cross-border deals from application to funding.

    B2B
    San Francisco, CA, USA
    Team of 45
    GPAgent profile

    Eden builds workplace management software for HR, people ops, and office managers at hybrid companies. Its suite covers desk booking, room scheduling, visitor management, internal ticketing, and delivery tracking, replacing the mix of spreadsheets, calendar hacks, and manual front-desk processes those teams otherwise juggle. The platform centralizes day-to-day office coordination so staff can find space, greet guests, and route requests without administrative overhead.

    Hiring
    Consumer
    New York, NY, USA; Remote
    Team of 100
    GPAgent profile

    Eight Sleep builds smart mattress and sleep technology products that use active temperature regulation and biometric data to improve sleep quality. Its hardware tracks and adjusts conditions throughout the night, replacing manual sleep aids and generic bedding for health-conscious consumers who want measurable recovery and energy. The target customer is an individual focused on physical performance and daily output.

    Consumer
    Atlanta, GA, USA
    Team of 24
    GPAgent profile

    Fetch builds a peer-to-peer truck rental marketplace that lets consumers book a nearby truck on demand from their phone. Renters skip the traditional rental counter entirely, unlocking the vehicle directly through the app. The service replaces the in-store queue and fixed-location model of legacy truck rental companies with on-demand, neighborhood-level pickup.

    Industrials
    Reno, NV, USA
    Team of 11
    GPAgent profile

    Flirtey (SkyDrop) operates an autonomous drone delivery network focused on last-mile logistics, replacing ground couriers and traditional delivery vehicles for retailers, restaurants, and emergency services. Partnering with companies like 7-Eleven and Domino's, it flies goods directly from stores to homes. It has also demonstrated AED delivery for emergency medical response, putting life-saving equipment on scene faster than ambulances.

    B2B
    Bentonville, AR, USA; Joplin, MO, USA; Remote
    Team of 17
    GPAgent profile

    Font Awesome provides a large library of icons and social logos that web developers and designers drop into sites with a single line of code. It handles icon hosting, updates, and consistency, replacing the manual work of sourcing, formatting, and maintaining individual image assets. The product serves anyone building for the web who wants a ready-made, standardized icon set without managing the files themselves.

    B2B
    San Francisco, CA, USA; Remote
    Team of 200
    GPAgent profile

    Fountain builds a high-volume hiring platform for enterprises that recruit frontline and hourly workers at scale. AI agents handle sourcing, screening, interviewing, onboarding, and shift-filling around the clock, replacing the manual coordination that recruitment teams previously did by hand. Customers in retail, logistics, food service, and similar sectors use it to move candidates from application to offer without recruiter intervention at each step.

    B2B
    San Francisco, CA, USA
    Team of 10
    GPAgent profile

    Foxpass sells cloud-hosted LDAP, RADIUS, and PKI services that enforce least-privilege access across corporate Wi-Fi, VPN, and servers. It targets companies that need enterprise-grade identity and network security without on-premises hardware. The product replaces shared passwords and manual credential management with per-user, certificate-based authentication tied to existing identity providers such as Google and Microsoft Entra.

    Hiring
    B2B
    San Leandro, CA, USA
    Team of 40
    GPAgent profile

    Gemnote handles the full lifecycle of branded merchandise for corporate clients, covering design, sourcing, packaging, warehousing, and shipping. Companies use it to produce employee swag, new hire kits, event giveaways, PR boxes, and custom packaging without managing vendors or logistics in-house. It replaces the fragmented work of coordinating multiple suppliers, a fulfillment operation, and a design team.

    B2B
    San Francisco, CA, USA
    Team of 51
    GPAgent profile

    Gigster connects businesses to a vetted global network of software developers, designers, and product managers to build and run custom software projects. Companies hire Gigster in place of recruiting, assembling, and managing distributed engineering teams themselves. Engagements range from fully managed project delivery to dedicated teams to on-demand talent that slots into an existing organization.

    Hiring
    Education
    Washington, DC, USA
    Team of 120
    GPAgent profile

    GiveCampus builds fundraising software for nonprofit educational institutions, serving colleges, universities, and K-12 schools. It covers the full advancement operation: online giving campaigns, major gift officer workflows, alumni engagement, events, and volunteer coordination. The platform replaces disconnected point tools and manual processes that school advancement teams otherwise stitch together across their CRM and spreadsheets.

    YC top company
    Hiring
    B2B
    San Francisco, CA, USA
    Team of 650
    GPAgent profile

    Go1 builds an AI-powered learning and development platform that gives organizations a single subscription to training content from over 300 providers, covering compliance, skill development, and workforce engagement. L&D teams use it to replace the manual work of sourcing, licensing, and managing content across disparate systems. Go1 connects with existing LMS, HRIS, and workplace tools so employees access training inside the platforms they already use.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Halolife builds an online marketplace for burial and cremation services, serving families who need to arrange end-of-life care immediately or in advance. It centralizes provider reviews and pricing in one place, replacing the process of contacting and comparing funeral homes individually. Families are matched to a local provider that fits their needs and budget.

    Consumer
    San Francisco, CA, USA; Remote
    Team of 10
    GPAgent profile

    HER builds a dating and social platform exclusively for queer women, nonbinary, and trans sapphic people, replacing generic dating apps that were never designed for LGBTQ+ women. Users can match for romantic or casual connections, join interest and identity-based group chats, and discover local LGBTQ+ events. HER also runs in-person events across multiple cities, giving members a way to meet outside the app.

    Hiring
    Consumer
    London, England, United Kingdom
    Team of 21
    GPAgent profile

    Heroic Labs builds backend infrastructure for online and multiplayer games, sold to game studios that would otherwise engineer these systems themselves. Its Heroic Game Stack bundles four products: Nakama, an open-source game server handling social and multiplayer features; Hiro, a toolkit for standardized meta-game mechanics; Satori, a LiveOps layer for events, audiences, feature flags, and experiments; and Heroic Cloud, a managed hosting platform for the full stack.

    B2B
    New York, NY, USA
    Team of 11
    GPAgent profile

    Hickory builds a learning management system for sales and customer service teams that replaces one-and-done training sessions. It imports existing content, then uses spaced-repetition algorithms to schedule targeted review exercises before a rep forgets the material. The result is a continuous training loop that turns frontline employees into product and brand experts without requiring managers to manually track who knows what.

    Hiring
    B2B
    San Francisco, CA, USA; Remote
    Team of 765
    GPAgent profile

    Human Interest builds and administers 401(k) plans for small and medium-sized businesses, giving their employees access to retirement savings they would otherwise lack. The platform automates payroll syncing, contribution processing, fund selection, fiduciary oversight, and compliance reporting, replacing the manual administrative work that historically made retirement plans too costly and complex for smaller employers to offer.

    Hiring
    B2B
    San Francisco, CA, USA
    Team of 500
    GPAgent profile

    Instawork connects businesses in warehousing, food and beverage, hospitality, retail, and events with hourly workers for short-term, long-term, and permanent roles. Its AI-powered platform matches vetted workers to open shifts, replacing manual staffing agency calls and slow job-board searches. Businesses post needs directly; workers find and book local shifts through the app.

    B2B
    Austin, TX, USA
    GPAgent profile

    Interviewed builds job simulation and assessment tools that let employers evaluate candidates by observing them perform realistic work tasks, replacing resume screening and abstract interview questions. The product targets B2B hiring teams in need of more predictive, skills-based candidate evaluation. Indeed acquired the company.

    Hiring
    B2B
    San Francisco, CA, USA
    Team of 400
    GPAgent profile

    Ironclad builds contract lifecycle management software for corporate legal teams, automating the drafting, review, signing, storage, and analysis work that previously consumed attorneys' time. It replaces manual, document-heavy contracting processes with a single platform that routes contracts through configurable workflows and surfaces intelligence from executed agreements. Legal operations, general counsel, procurement, and sales teams use it to move contracts faster and maintain an authoritative record of contract terms.

    B2B
    New York, NY, USA
    Team of 2
    GPAgent profile

    jEugene scans legal documents to flag undefined terms and unused definitions, surfacing them directly in the text within seconds. It serves lawyers doing contract review, replacing the manual line-by-line definitions check that associates perform under time pressure. The tool lets attorneys skip that mechanical pass and focus on substantive legal analysis.

    B2B
    New York, NY, USA
    Team of 50
    GPAgent profile

    Jopwell connects Black, Latinx, and Native American professionals with employers seeking to diversify their workforces. Companies use the platform to recruit, market to, and retain talent from underrepresented communities, replacing ad-hoc or generalist hiring approaches with a targeted pipeline. The product serves HR and recruiting teams that need direct access to a screened, engaged candidate community.

    Healthcare
    San Francisco, CA, USA
    Team of 1
    GPAgent profile

    Klarismo builds automated MRI analysis software that converts full-body magnetic resonance scans into annotated 3D virtual body models in the cloud. Using machine learning trained on proprietary labeled MRI data, it produces precise volumetric measurements of muscle and fat tissues without manual processing. The software replaces radiologist-led manual segmentation and targets large-scale data collections where thousands of scans must be analyzed simultaneously.

    Consumer
    San Francisco, CA, USA
    GPAgent profile

    L. makes organic cotton period care products, including tampons and pads, for women and girls, replacing conventional products made with synthetic pesticides, fragrances, and rayon. For every product sold, L. makes one accessible to a woman or girl without access, operationalizing a one-for-one solidarity model across more than 20 countries. P&G acquired L. in 2019, and it continues to operate as a Public Benefit Corporation.

    Education
    Berkeley, CA, USA
    Team of 1
    GPAgent profile

    Leada builds online data science and analytics training programs for enterprise employees. Companies use Leada to onboard staff on their own internal data, teaching them to answer role-specific business questions using tools like SQL, R, Python, or their existing BI platform. It replaces generic, off-the-shelf training with courses built around a company's actual data and workflows.

    Unspecified
    San Francisco, CA, USA
    Team of 1
    GPAgent profile

    Leaders In Tech runs a leadership development program for tech founders and executives, from pre-seed through pre-IPO stage. Each track combines an in-person retreat with monthly peer-learning groups spread over six or ten months. The program replaces the ad-hoc, figure-it-out-yourself path most founders take to develop interpersonal and management skills as their companies scale.

    B2B
    Santa Monica, CA, USA
    Team of 11
    GPAgent profile

    Locent builds an automated messaging platform that lets businesses send and manage messages to their customers at scale. It targets B2B companies that need to reach contacts through structured, automated communication, replacing manual outreach and ad-hoc messaging workflows.

    Hiring
    Consumer
    San Francisco, CA, USA; Remote
    Team of 50
    GPAgent profile

    Lugg connects consumers on demand to movers and a truck for same-day hauling jobs: getting new furniture home, picking up marketplace purchases, and moving between apartments. It replaces the work of calling a moving company or borrowing a friend's truck by handling dispatch and logistics through a mobile app.

    B2B
    San Mateo, CA, USA
    Team of 51
    GPAgent profile

    Maderight handles fashion sourcing, manufacturing, and logistics for apparel brands, managing the full supply chain from factory selection through delivery. It replaces the work brands would otherwise do coordinating overseas production: vetting factories, ensuring quality, and tracking shipments. The factory network is screened for ethical practices and on-time delivery.

    Consumer
    San Francisco, CA, USA; Remote
    Team of 5
    GPAgent profile

    Markhor sells handcrafted leather footwear and accessories made by skilled artisans in South Asia, sold directly to consumers. The brand cuts out traditional retail middlemen, connecting buyers who want premium handmade goods with craftsmen whose work would otherwise lack a global distribution channel.

    Healthcare
    New York, NY, USA; Remote
    Team of 10
    GPAgent profile

    Microhealth builds prescription digital therapeutics for hematology and oncology, serving patients and healthcare providers managing bleeding disorders, sickle cell disease, and related rare conditions. Its patient-facing apps and clinician dashboards replace manual tracking and between-visit gaps with real-time monitoring and treatment logging. The platform also captures structured disease data to support clinical research and regulatory validation of its interventions as software as a medical device.

    Education
    Indianapolis, IN, USA
    Team of 8
    GPAgent profile

    Mimir builds a classroom platform for university-level computer science courses, serving instructors who need to manage coding assignments at scale. It handles automated grading and plagiarism detection, replacing manual code review and submission workflows that instructors would otherwise run by hand.

    Consumer
    San Francisco, CA, USA
    Team of 16
    GPAgent profile

    Nebia builds water-saving shower systems that atomize water into fine droplets, cutting water use by up to 70% compared to a standard shower without reducing the perceived pressure or warmth of the experience. The products target households seeking to reduce water and energy consumption through a daily ritual they already perform. Nebia was acquired by bathroom hardware maker Brondell in 2022.

    Hiring
    Real Estate and Construction
    Atlanta, GA, USA
    Team of 20
    GPAgent profile

    New Story develops underused land in Latin America into communities where low-income families gain legal ownership, replacing decade-long informal housing processes with a two-year path to a titled lot and home financing. It secures land, builds core infrastructure, and lets families buy in through small monthly payments that establish credit for future home loans. A separate venture arm, Hometeam Ventures, backs early-stage startups working on construction and housing.

    Industrials
    San Jose, CA, USA
    GPAgent profile

    Ohm builds a drop-in car battery replacement that combines supercapacitors with a small LiFePO4 cell to eliminate dead-battery stranding. It automatically cuts power before the reserve runs out and restores it when the driver goes to start the engine, replacing the conventional lead-acid battery without requiring any jump-starting. The design also weighs roughly six pounds, outperforms lead-acid in cold weather, and contains no lead or acid.

    Industrials
    Dakar, Dakar Region, Senegal
    Team of 230
    GPAgent profile

    Oolu sells off-grid solar home systems to rural households in West Africa that lack access to the main electricity grid. Operating across more than a dozen African countries under the Ignite Energy Access brand, the company delivers distributed renewable energy directly to homes, businesses, and governments. It replaces dependence on kerosene lamps, diesel generators, and other costly, polluting alternatives that off-grid communities rely on for light and power.

    YC top company
    Fintech
    San Francisco, CA, USA
    Team of 110
    GPAgent profile

    OpenInvest builds a values-based portfolio personalization platform for asset and wealth managers. It lets advisors construct low-cost, index-tracking investment portfolios aligned to each client's social and environmental priorities, replacing manual screening and one-size-fits-all ESG funds. The platform delivers that customization at the scale institutional managers need.

    Fintech
    New York, NY, USA; Remote
    GPAgent profile

    Paribus builds corporate spend management software that gives finance teams control over company cards, expense tracking, bill payments, and accounting workflows. It serves businesses looking to replace manual expense reporting and disconnected payment processes with a unified platform. The product consolidates purchasing, reimbursements, and financial reporting into a single system.

    B2B
    Toronto, ON, Canada
    Team of 200
    GPAgent profile

    PartnerStack runs a partner ecosystem platform for B2B SaaS companies, handling the full lifecycle of affiliate, referral, and reseller programs, from recruiting and onboarding partners to tracking attribution, managing commissions, and ensuring compliance. It replaces fragmented, manual partner channel operations with a single platform. A built-in marketplace connects SaaS vendors to a large network of partners who can promote multiple products from one place.

    Industrials
    Los Angeles, CA, USA; Remote
    Team of 65
    GPAgent profile

    PickTrace builds workforce and harvest management software for large-scale agricultural producers. Growers use it to track labor productivity, manage payroll calculations, and stay compliant with labor regulations, replacing manual, paper-based processes that are error-prone and time-consuming. The platform gives farm operators real-time visibility into field operations across complex, high-volume produce environments.

    Fintech
    New York, NY, USA; Emeryville, CA, USA
    Team of 200
    GPAgent profile

    Plate IQ builds AI-powered accounts payable automation software, sold under the name Ottimate, for finance teams in hospitality, retail, healthcare, and accounting. It digitizes invoices to the line item, assigns GL codes, routes approvals, syncs to accounting systems such as QuickBooks, NetSuite, and Sage, and executes vendor payments directly. The product replaces manual invoice processing, paper-based approval workflows, and disconnected payment steps that AP managers, controllers, and CFOs otherwise handle by hand.

    Consumer
    San Francisco, CA, USA
    Team of 11
    GPAgent profile

    PlateJoy builds personalized nutrition software that collects data on a user's eating habits and lifestyle to generate customized meal plans and shopping lists targeted at disease prevention. Its flagship product is a digital Diabetes Prevention Program aimed at the tens of millions of people covered by participating insurers. The platform replaces generic dietary guidance with individualized recommendations tied to specific health goals.

    B2B
    New York, NY, USA
    Team of 2
    GPAgent profile

    Prayas Analytics built an A/B testing platform for physical retail stores, giving brick-and-mortar retailers the same experiment-driven insight that e-commerce teams apply to websites. The system used a store's existing security camera infrastructure to continuously track customer movement and behavior, replacing manual observation and guesswork with quantitative, controlled tests of store layout, merchandising, and other in-store variables.

    Hiring
    Industrials
    Redwood City, CA, USA
    Team of 45
    GPAgent profile

    Reach builds wireless power beaming networks that transmit electricity over long distances without physical cables or charging contacts. Its hardware, delivery algorithms, and adaptive software controls route power to robotics, drones, sensors, and field devices in manufacturing, defense, and public safety settings. The product replaces wired infrastructure and manual battery swaps in environments where running cable is impractical or impossible.

    Fintech
    Gurugram, HR, India; Remote
    Team of 100
    GPAgent profile

    RedCarpetUp issues credit cards to first-time borrowers in India who lack the credit history that traditional banks require for approval. It owns the full stack: card issuance infrastructure, underwriting, capital, and collections. The product targets a population where hundreds of millions hold bank accounts but have no credit card, replacing the manual, branch-heavy approval process that excludes new-to-credit consumers.

    Industrials
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Reduced Energy Microsystems designs ultra-low-power silicon chips for embedded computer vision, targeting devices where battery life and size make conventional processors impractical. Its chips combine a proprietary asynchronous resilient architecture with a custom neural network design to run inference and traditional vision workloads in a minimal power budget. The target applications include augmented reality headsets, body-worn cameras, and autonomous robots, replacing off-device processing or power-hungry general-purpose chips.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Roomblocker builds a marketplace for group hotel bookings, connecting event organizers and planners with hotels to reserve room blocks. It replaces the manual back-and-forth of phone calls, emails, and RFPs that groups and hotels traditionally use to negotiate and confirm block reservations.

    B2B
    San Francisco, CA, USA
    Team of 30
    GPAgent profile

    ROSS Intelligence builds an AI-powered legal research platform for lawyers and law firms. Attorneys query it in plain language to find relevant case law, statutes, and regulations across all 50 states, replacing manual searches through traditional legal databases. The platform covers federal and state statutory codes alongside case law, letting lawyers surface precedents they might otherwise overlook.

    Fintech
    Nairobi, Nairobi County, Kenya; Remote
    Team of 4
    GPAgent profile

    Saida builds a structured bank account for consumers who want to separate and track money across distinct purposes within a single account. Rather than keeping funds in one undifferentiated pool, customers allocate money into dedicated pockets tied to specific uses. The product replaces manual budgeting workarounds like multiple accounts or envelope-style cash management.

    YC top company
    Consumer
    New York, NY, USA; Remote
    Team of 165
    GPAgent profile

    Scentbird sends monthly 8mL vials of designer fragrances directly to subscribers, replacing the department store counter as the way people discover and try new perfumes and colognes. Subscribers take a quiz to get personalized recommendations, then choose from over 1,100 designer scents each month. Each vial delivers roughly 30 days of use, letting fragrance shoppers trial full-season wear before committing to a full bottle.

    Hiring
    Consumer
    San Francisco, CA, USA
    Team of 50
    GPAgent profile

    Scope AR builds augmented reality software for enterprise frontline workers in aerospace, aviation, and industrial sectors. Its two core products, WorkLink and Remote AR, deliver step-by-step AR work instructions and live expert telepresence directly to technicians on tablets, smartphones, and AR headsets. The platform replaces paper manuals, in-person training travel, and phone-based remote support for tasks like assembly, maintenance, inspection, and repair.

    B2B
    San Mateo, CA, USA
    Team of 62
    GPAgent profile

    Second Measure analyzes billions of consumer credit and debit card transactions to produce daily performance metrics on thousands of public and private companies. Investors use the platform to track intra-quarter revenue trends, validate theses, and get an early read on earnings before announcements. Consumer brands use it to benchmark against competitors and inform product, partnership, and marketing decisions, replacing slower, less granular market research.

    Fintech
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Serica lets customers buy, store, and trade physical precious metals, including gold, silver, platinum, and palladium, with ownership rights recorded on the Bitcoin blockchain. Dealers sell the underlying assets; Serica handles decentralized custody and issues tradeable digital receipts that can be exchanged for bitcoin or liquidated for cash. The product replaces traditional commodity brokers and custodians with a blockchain-native, publicly auditable alternative open to buyers worldwide.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Seva Coffee builds consumer electronics hardware for personalized coffee brewing, targeting home coffee drinkers who want a tailored cup without manual calibration or barista expertise.

    Hiring
    Consumer
    San Francisco, CA, USA
    Team of 7
    GPAgent profile

    Shape (ShapeScale) builds a consumer hardware body scanner that produces photorealistic 3D models of a user's physique and tracks changes over time with localized fat-loss and muscle-gain heatmaps. It targets individuals managing fitness goals, replacing the bathroom scale and mirror with a spatial, date-by-date visual record of body composition change. Health and body scores direct users to specific areas to focus their training.

    B2B
    Oakland, CA, USA; Remote
    Team of 2
    GPAgent profile

    Shotput builds AI and robotics software that automates e-commerce fulfillment and logistics operations for online retailers. It handles shipping route optimization, demand forecasting, and cost reduction, replacing the manual coordination, status calls, and physical packing work that operations teams currently do by hand.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Shred Video builds automated video and photo systems for adventure tour operators, including surf schools, ski resorts, and activity companies. The platform uses LiDAR, GPS, and proprietary algorithms to capture, edit, and deliver branded, cinematic videos to customers the moment their tour or activity ends. It replaces dedicated video staff and manual editing workflows, letting operators sell finished media without added labor.

    Hiring
    B2B
    San Francisco, CA, USA
    Team of 32
    GPAgent profile

    SnapMagic builds an AI copilot for electronics design, serving electrical engineers at large organizations. It draws on a database of CAD models and component data to auto-complete circuit board designs, handle repetitive micro-decisions like placing bypass capacitors, and optimize bills of materials for cost and power. The product replaces manual component research, schematic grunt work, and supply-chain lookups that engineers previously did by hand.

    B2B
    Oakland, CA, USA
    Team of 6
    GPAgent profile

    SourceDNA builds a software similarity analysis service for iOS and Android apps, letting developers and researchers identify the libraries, SDKs, and code variants inside any app binary. It replaces manual reverse engineering by scanning app store binaries at scale and surfacing code origin, quality signals, and cross-platform variants through a web service.

    B2B
    London, England, United Kingdom
    Team of 2
    GPAgent profile

    Sphere Secure Workspace builds secure workspace solutions for B2B customers. The company's name and program listing point to a product in the secure workspace category, but the available website content belongs to an unrelated interior fitout and construction firm. No additional detail about the product, the customer job, or the work it replaces can be drawn from the sources.

    Healthcare
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Stitch Health builds a care coordination platform for healthcare teams, replacing pagers, phone calls, and fragmented email threads with a unified workspace for messaging, file sharing, and team communication. Clinicians and care teams across specialties use it to stay in sync on patient care from any device. It targets the day-to-day coordination work that currently falls across incompatible, non-clinical tools.

    Consumer
    San Francisco, CA, USA
    Team of 11
    GPAgent profile

    StyleBee connects clients with vetted, mobile beauty professionals who travel to the client's location to deliver hair and makeup services. It replaces the salon visit by bringing the stylist directly to homes, offices, or any chosen setting. Customers range from working professionals to event-goers who want on-demand, personalized beauty on their own schedule.

    Industrials
    Kathmandu, Central Development Region, Nepal
    Team of 15
    GPAgent profile

    SunFarmer installs and operates solar energy systems for hospitals, schools, farms, and businesses in Nepal and other developing markets where grid electricity is absent, unstable, or prohibitively costly. Its systems replace diesel generators and other traditional energy sources, delivering reliable power for clinical care, irrigation, and daily commerce. The work addresses a structural gap rather than a preference: customers have no practical alternative for consistent electricity.

    B2B
    Toronto, ON, Canada; Chicago, IL, USA
    Team of 2
    GPAgent profile

    teaBOT builds a robotic tea-brewing machine for offices and showrooms, letting employees and visitors create custom loose-leaf tea blends via a smartphone app in under 30 seconds. Corporate customers deploy it as a workplace amenity to draw employees back to the office and to impress clients on-site, replacing a standard beverage setup with a personalized, on-demand experience.

    B2B
    Oakland, CA, USA
    Team of 255
    GPAgent profile

    Teleport builds an infrastructure identity platform for engineering and security teams, replacing fragmented credentials, shared secrets, and standing privileges with a unified cryptographic identity layer. It covers humans, machines, and AI agents across classic and AI infrastructure, eliminating the credential sprawl and lateral movement risk that static access models create. The platform enforces just-in-time privileges and hardware-rooted identity for every actor touching production systems.

    Real Estate and Construction
    Richmond, VA, USA
    Team of 15
    GPAgent profile

    Tenant Turner builds leasing automation software for residential property managers, covering the full cycle from listing to signed lease. It syndicates rental listings across major sites, pre-qualifies prospects by web, phone, and email, and schedules showings via agent, lockbox, or smart lock. The product replaces the manual work of posting listings, screening inbound leads, and coordinating showings.

    Hiring
    B2B
    San Francisco, CA, USA; Burlingame, CA, USA; Remote
    Team of 53
    GPAgent profile

    Tesorio builds an agentic financial operations platform for CFOs and finance teams, covering the full order-to-cash cycle from collections and cash application to forecasting. AI agents prioritize overdue invoices, draft and send payment follow-ups, auto-match incoming payments to open invoices, and project cash flow week by week. The product replaces manual collections work, spreadsheet-based forecasting, and hand-keyed payment reconciliation.

    Healthcare
    Boston, MA, USA; Remote
    Team of 100
    GPAgent profile

    TetraScience builds a cloud platform for life sciences R&D data, serving scientists at pharmaceutical and biotech companies. Its Tetra OS ingests, harmonizes, and centralizes scientific data from instruments and lab workflows, spanning discovery, development, and manufacturing quality control. The platform replaces fragmented, siloed data handling that slows experimental analysis and regulatory compliance work.

    Consumer
    Los Angeles, CA, USA; Remote
    Team of 30
    GPAgent profile

    The Ticket Fairy builds a ticketing and marketing platform for live event promoters and venue managers. It handles ticket sales, audience engagement, and marketing analytics, replacing the patchwork of separate tools promoters use to drive attendance and revenue. The platform serves events across the US, UK, Australia, New Zealand, India, and parts of Asia.

    Industrials
    New York, NY, USA; Remote
    Team of 8
    GPAgent profile

    Thrive Agritech designs and manufactures energy-efficient LED lighting fixtures for indoor farms, including vertical farms, greenhouses, and cannabis production facilities. Its patent-pending fixtures target specific photosynthetic spectrums to reduce energy consumption and replace conventional, less-efficient grow lighting. The company is also developing sensor and communications networks to support automated farm optimization.

    B2B
    Mountain View, CA, USA
    Team of 1
    GPAgent profile

    Traversal Networks builds a network intrusion detection system for enterprise security teams. Its Lateral Threat Detector appliances install on corporate network segments, learn normal traffic patterns, and flag lateral exploitation, backdoors, bots, malware, and reconnaissance. Human analysts review anomalous traffic through a cloud analysis platform, replacing the manual tuning and triage work that in-house security teams struggle to keep current.

    B2B
    San Francisco, CA, USA
    Team of 70
    GPAgent profile

    Triplebyte connects software engineers to tech companies, from large names like Apple and Stripe down to mid-sized and early-stage startups. Engineers go through a single technical assessment that replaces the redundant screening rounds each employer would otherwise run independently. Companies get a pre-vetted pipeline of candidates without conducting their own first-pass filtering.

    Hiring
    Healthcare
    Team of 50
    GPAgent profile

    Verge Genomics builds AI foundation models trained on one of the largest proprietary multimodal brain datasets in the field, covering molecular, proteomic, genomic, and clinical data from thousands of patients, to drive drug discovery for neurological diseases. Its platform predicts which targets to drug and which patients will respond, replacing broad trial enrollment with precision patient stratification. The work it replaces is conventional trial-and-error drug discovery and large, underpowered clinical trials.

    Real Estate and Construction
    Berkeley, CA, USA
    Team of 2
    GPAgent profile

    Vernox builds production planning software for construction project teams. Teams use it to coordinate work across small to large-scale projects: communicating weekly work plans, identifying upcoming tasks, and tracking constraints that block progress. It replaces ad-hoc scheduling methods and the manual, meeting-heavy processes construction teams use to keep plans current from week to week.

    Consumer
    New York, NY, USA
    Team of 11
    GPAgent profile

    Vive connects women to on-demand blowout appointments at a network of partner salons, replacing the process of searching, reading reviews, and calling ahead to book. Members get unlimited blowouts, booked in two taps, through a single app.

    B2B
    Redwood City, CA, USA
    Team of 8
    GPAgent profile

    VOIQ builds AI-powered voice bots that handle sales and marketing calls for businesses. The bots conduct outbound conversations autonomously, replacing the work of human callers in prospecting and customer outreach. B2B companies use VOIQ to run voice-based sales and marketing campaigns at scale without adding headcount.

    Consumer
    Stockholm, Stockholm County, Sweden
    Team of 11
    GPAgent profile

    Wheelys Café sells a franchise model built around bicycle-powered, organic café carts, giving aspiring entrepreneurs a low-cost way to open and operate their own café without a storefront. Each unit replaces the capital-heavy setup of a traditional café or fast-food franchise. The target operator is an individual with limited capital who wants to run an independent food and beverage business.

    Consumer
    Miami, FL, USA
    Team of 10
    GPAgent profile

    Willing built a self-serve platform that guided consumers through creating legally valid wills and estate planning documents, replacing the need to hire an attorney. Users answered a structured questionnaire and received a complete document package covering asset transfers and guardian designations for children. MetLife acquired the company and integrated the technology into its legal insurance offerings.

    Hiring
    Fintech
    Jakarta, Jakarta, Indonesia
    Team of 700
    GPAgent profile

    Xendit builds payment infrastructure for businesses across Southeast Asia, serving customers from small merchants to large enterprises in Indonesia, the Philippines, Malaysia, Thailand, and Vietnam. It provides a payment API that handles virtual accounts, credit and debit cards, e-wallets, retail outlet payments, and installments, replacing the need for businesses to integrate separately with each local payment method or bank.

    Fintech
    Singapore, Singapore
    Team of 51
    GPAgent profile

    Xfers builds a payment processing gateway for Southeast Asia, letting businesses and individuals send and receive money via credit card and internet banking transfers. It connects fragmented banking networks across the region, replacing manual bank transfer coordination and the need for separate payment integrations in each market.

    B2B
    San Francisco, CA, USA; London, England, United Kingdom; Istanbul, Istanbul, Turkey
    Team of 140
    GPAgent profile

    Zeplin builds a design delivery platform for product teams, sitting between design tools and engineering. Designers publish finalized screens and specs into a structured workspace where developers get a stable, version-tracked reference instead of digging through live design files. It replaces the handoff chaos of shared Figma links, Slack threads, and manual redlines across designers, developers, and product managers.

    Healthcare
    San Jose, CA, USA
    Team of 2
    GPAgent profile

    zPREDICTA builds organ-specific 3D cell culture models that reconstruct human tumor tissue, including the surrounding cellular and extracellular microenvironment, for preclinical drug testing. Pharmaceutical and academic researchers use the platform to screen anticancer compounds, study drug resistance mechanisms, and assess off-target toxicity. The models replace conventional 2D cell culture and animal models with a system whose readouts correlate directly with clinical drug response, letting researchers eliminate failing compounds earlier.

    About this data

    Company facts and descriptions come from Y Combinator's public directory. Each company page links to its original listing.

    While a batch is still filling, we check its roster every day, and each page shows the date of the last check. Companies that drop off the directory drop off the roster here too.

    Profiles marked as GPAgent's are our own fund-neutral summaries, written from public information. No fund's scores, notes, or pipeline go into them.

    Source: ycombinator.com (opens in a new tab) GPAgent is not affiliated with Y Combinator.

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