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Fernstone

Fernstone is a YC Fall 2025 (F25) company. Based in New York, NY, USA. Team of 2.

  • Artificial Intelligence
  • Fintech
  • B2B
  • Insurance
  • AI

About Fernstone

GPAgent's own fund-neutral profile, written from public information. Updated Oct 5, 2026.

Summary

Fernstone builds an AI-powered commercial insurance brokerage for businesses with complex risk profiles, starting with construction and security companies. It handles the full brokerage workflow: obtaining coverage, issuing certificates of insurance, managing renewals, and monitoring policy gaps. The product replaces traditional commercial insurance brokers, combining a dedicated risk advisor for each client with a software platform for coverage management.

Business model

A fee earned on placed commercial insurance coverage, consistent with brokerage commission structures.

Go-to-market

Construction and security companies come to Fernstone to get coverage needed to close contracts and obtain licenses, entering through a quote request and then working with a dedicated risk advisor.

From the Y Combinator listing

How Fernstone describes itself in Y Combinator's public directory. Original listing (opens in a new tab)

Full-stack AI insurance brokerage for businesses.

Fernstone is a a full-stack AI insurance brokerage for complex risk. We are competing directly with the 40,000 commercial insurance brokers in the US that earn $80B in revenue each year. Today, construction and security companies use Fernstone to obtain coverage to close contracts and obtain licenses.

Facts

Industry
Fintech / Fintech -> Insurance
Location
New York, NY, USA
Team size
2
Status
Active
Stage
Early

Founders (2)

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