Financial Services
Sixfold
Sixfold is an AI underwriting startup founded in 2023 that builds agentic tools for property and casualty insurers, extracting and cleaning submission data, assessing appetite and portfolio fit, and guiding underwriters toward their next-best action on each case. In June 2026 it launched AI Underwriter, an agent capable of straight-through quoting and binding, following a $30 million Series B in January 2026 led by Brewer Lane with strategic backing from Guidewire and participation from Bessemer Venture Partners and Salesforce Ventures; its customers, including Zurich, Guardian, Axis and New York Life, represent roughly $270 billion in combined gross written premium and have seen processing speed gains of 50-97% and GWP-per-underwriter increases of up to 30%.
Sources
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Evidence
1 source · 46% avg. source confidence
- The Insurer / Fintech Global — Sixfold launches AI Underwriter agent for P&C insurers46% source confidence
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The Story So Far (last 6 months)
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Sixfold's Timeline
A sourced, dated history of Sixfold's key moments — founding to present.
Jan 2026 · Raises $30M Series B
Sixfold raised a $30 million Series B led by Brewer Lane with strategic backing from Guidewire and participation from existing investors Bessemer Venture Partners and Salesforce Ventures, earmarked to build its AI Underwriter product.
Jun 2026 · Launches AI Underwriter with straight-through quote and bind
Sixfold launched AI Underwriter, an agentic tool capable of straight-through quoting and binding of P&C insurance policies, retaining institutional underwriting knowledge across cases; the company's systems have processed over 1.5 million submissions across 50+ lines of business for customers representing roughly $270 billion in combined gross written premium.