Fieldguide (YC S20) — Vertical AI for audit & advisory firms
Fieldguide is a vertical AI platform for modern assurance and advisory firms that digitizes the end-to-end engagement workflow on a single platform. Built by former Big Four practitioners and experienced technology leaders, Fieldguide is trusted by top CPA firms to improve margins, win new business, and build stronger client relationships.
Fieldguide is a Y Combinator company in the Summer 2020 batch. Its directory entry describes it as: Vertical AI for Audit & Advisory Firms. The founders listed are Jin Chang (Founder), Chris Szymansky (Founder/CTO) (Y Combinator directory entry, August 23, 2020).
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Fieldguide is a vertical AI platform for modern assurance and advisory firms that digitizes the end-to-end engagement workflow on a single platform. Built by former Big Four practitioners and experienced technology leaders, Fieldguide is trusted by top CPA firms to improve margins, win new business, and build stronger client relationships. We’re based in San Francisco, CA, but built as a remote-first company that enables you to do your best work from anywhere. We're backed by top investors including Goldman Sachs, Bessemer Venture Partners, 8VC, Y Combinator, Floodgate, Elad Gil, Justin Kan, Qasar Younis, Eric Ries, and more.
Jin Chang
Founder
Chris Szymansky
Founder/CTO
Founders, titles and bios as the company published them. Photographs are our own copies of the ones on that record, so they do not break when the original link expires.
One of 232 companies held here in B2B › Productivity.
No investor is drawn from a Form D — the form states how many invested and never who. The one investor on this graph is named because a batch has exactly one.
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Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)
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The Short Answer
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Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
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Warning Bells
Sources
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