Surtr Defense Systems
Surtr Defense Systems is a YC Spring 2026 (P26) company. Based in San Francisco, CA, USA. Team of 2.
About Surtr Defense Systems
Summary
Surtr Defense Systems builds ParallaxOS, a hardware-agnostic operating system for counter-drone defense. It ingests sensor data from radars, RF detectors, cameras, and acoustic arrays, fuses them into a single real-time picture, and delivers AI-driven threat classification and engagement recommendations to a human operator. It replaces the fragmented, vendor-locked software stacks that today force operators to manage multiple disconnected sensor feeds.
Go-to-market
Defense operators and military customers engage through a direct briefing request, indicating a sales-led motion suited to government and institutional procurement cycles.
From the Y Combinator listing
The hardware-agnostic operating system for drone defense
Surtr builds ParallaxOS, the open operating system for counter-UAS. It takes sensor data from any radar, RF detector, camera, or acoustic array and fuses it into a single unified picture with AI-driven threat classification and engagement recommendations. One interface, any hardware, human in the loop.
Facts
- Industrials / Industrials -> Defense
- San Francisco, CA, USA
- 2
- Active
- Early
Founders (2)
- Anshul Ahluwalia
Score every batch against your own thesis
GPAgent's sourcing agent reads every company in a batch, scores each one against your fund's thesis in a private workspace, and lines up the founders worth meeting before Demo Day. You decide who to contact. Your scores, notes, and pipeline never appear on these pages.
How Accelerator intelligence works