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Sean O'Bannon estimated net worth profile

Sean O'Bannon net worth

Sean O'Bannon Net Worth 2026 (Estimated) · Founder at Cranston AI · YC F25
est. wealth $10.0M

Quick answer

Sean O'Bannon's estimated net worth is $10.0M (range $7.0M – $15.0M) as of 2026. Sean O'Bannon is Founder at Cranston AI. Cranston AI valuation.

Sean O'Bannon is Founder at Cranston AI (YC F25). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameSean O'Bannon
RoleFounder
CompanyCranston AI
YC batchF25
Est. company val$20.0M
Assumed ownership50%
Est. paper wealth / net worth$10.0M
$7.0M – $15.0M
  • Company status: Active
  • Region: United States of America
  • Industries: B2B, Finance and Accounting
  • Team size: 2
  • Website: https://www.cranston.ai

Who is Sean O'Bannon?

Sean O'Bannon is associated with Cranston AI and was part of Y Combinator's F25 batch.

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...

FAQ: Sean O'Bannon net worth and Cranston AI valuation

What is Sean O'Bannon's net worth?

Sean O'Bannon's estimated net worth is $10.0M (range $7.0M – $15.0M) as of 2026. Sean O'Bannon is Founder at Cranston AI. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.

What is Cranston AI valuation?

Cranston AI's estimated valuation on Entrepreneurial Check is $20.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.

What is Sean O'Bannon's role?

Sean O'Bannon is Founder at Cranston AI, a Y Combinator-backed startup (batch F25).