Sean O'Bannon Net Worth (Estimated)

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...

Model inputs

• Stage: seed
• Valuation tier: fallback-seed
• Valuation note: [scale: $500k-class amount looked like a YC check, not a published seed]
• Research as-of: 2026-08-04
• Funding source: https://www.extruct.ai/hub/cranstonai-com/

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 / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Sean O'Bannon net worth

Sean O'Bannon's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Sean O'Bannon net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Sean O'Bannon worth?

Sean O'Bannon's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. How much Sean O'Bannon is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Sean O'Bannon?

Sean O'Bannon's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. “How rich is Sean O'Bannon” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Sean O'Bannon fortune

Sean O'Bannon's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Sean O'Bannon fortune figure is estimated paper wealth only, not a verified statement of assets.

Sean O'Bannon equity value

Sean O'Bannon's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Sean O'Bannon equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Cranston AI valuation?

Cranston AI's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.

What is Cranston AI post-money valuation?

Cranston AI's estimated valuation on Entrepreneurial Check is $20.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Cranston AI funding?

Cranston AI funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Cranston AI raised is not a complete cap table — figures are estimates only.

How much did Cranston AI raise?

How much Cranston AI raised, when disclosed, informs the estimated Cranston AI valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.

How much money did Cranston AI raise?

How much money Cranston AI raised, when a public figure is available, is a model input for the estimated Cranston AI valuation on this profile. Estimates only — not a complete cap table.

What is Cranston AI series funding?

Cranston AI series funding, when a public raise is disclosed, informs the estimated Cranston AI valuation here. Not a complete financing history.

What company is Sean O'Bannon building?

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

What does Cranston AI do?

Cranston AI — AI Tax prep and accounting software for CPA firms

What YC batch is Sean O'Bannon from?

Sean O'Bannon is associated with Y Combinator batch F25.

Where is Sean O'Bannon based?

Public directory data lists Sean O'Bannon's region as United States of America.

What industry is Sean O'Bannon in?

Sean O'Bannon is listed under B2B, Finance and Accounting.

How big is Cranston AI?

Public data lists Cranston AI's team size as 2.

Is Entrepreneurial Check affiliated with Y Combinator?

No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.