What building fully autonomous underwriting taught us about accuracy, data, and the limits of the model

After doubling total GWP run rate through the first half of 2026, and growing revenue 23x from 2022 to 2025, Shepherd now adds Intact, a global provider of property and casualty insurance, as a capacity partner for primary and excess casualty, expanding Shepherd's capabilities.

The AI-native commercial insurance platform underwriting commercial construction and energy clients behind the AI build-out recognized for 2,234% three-year revenue growth, placing in the top 3% of the list that recognizes the nation’s fastest-growing private businesses

Most of Shepherd's architecture existed to compensate for our coordination limits, but AI-driven development removed that need to compensate. We merged our polyrepo into a monorepo, collapsed it into a single Next.js monolith, and cut our development cycle from nearly an hour to under 10 minutes.

Allianz just handed its global cyber book to a technology company because their technology meaningfully improves underwriting results. That is the milestone insurtech has been promising for a decade, and it’s finally arrived.

Direct attempt to tie project economics to proven risk control methods

Automation asks: how do we make this faster? Autonomy asks: what authority has the system earned?

Inside Shepherd's Generative Rules Engine

Infrastructure spending tied to AI is creating new demand for faster underwriting.