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Cranston AI

Cranston AI

Fall 2025

Full Stack AI Accounting Firm

SaaSB2BAI

About Company

Cranston is a full stack AI accounting firm automating the $900b market for accounting labor. Our software automates reconciliation, tax compliance and financial analysis for startups & SMBs. We pull in context from all your company's apps & data, connect to existing systems of record and handle repetitive accounting work. Our team is deep in the accounting space. Sean spent 5 years building an ERP after dropping out of Stanford and Max spent 5 years building an accounting firm that did every accounting workflow you can imagine on top of ERPs.

Active Founders

Sean O'Bannon

Sean O'Bannon

Founder

Founder at Cranston AI (F25). Prev Stanford CS + AI, Founder + CTO at ReMatter, ex Databricks

Max Minsker

Max Minsker

Founder

Co-Founder of Cranston AI. Previously owned a tax practice that filed 10,000+ tax returns.

Company Facts

LocationSan Francisco, CA, USA
Team Size2
Founded2025
StatusActive