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Cranston AI

YC F25 · Active · AI Tax prep and accounting software for CPA firms

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Founders

  • Max MinskerFounder/CEO
  • Sean O'BannonFounder/CTO

About Cranston AI

Cranston is AI tax prep and bookkeeping for CPA firms. Our tax agents prepare returns the way a strong staff accountant would: they read the source documents, work the return in your tax software, and hand your reviewer a return that holds up, with workpapers attached. Our bookkeeping agents keep client books current all year, so tax season starts from clean numbers instead of cleanup. Prep and books are the start. We're building Cranston into the system a firm runs on: the place where prep, review, client requests, and the rest of the practice get done.

YC batch
F25 · Fall 2025
Status, per YC
Active
Category
AI
Team size
2
Location
San Francisco, CA, USA
Founded
2025
Checked
35m ago

Cranston AI in F25: 146 companies, 89% AI

LinkedIn

Cranston AI: questions

Which YC batch was Cranston AI in?

Cranston AI was in Y Combinator's Fall 2025 batch (F25).

Is Cranston AI still active?

Y Combinator lists Cranston AI as active.

Who founded Cranston AI?

Cranston AI's founders, as listed on its YC page: Max Minsker (Founder/CEO), Sean O'Bannon (Founder/CTO).

Where is Cranston AI based?

Cranston AI lists San Francisco, CA, USA as its location on YC's directory.

Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.

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