Cranston AI is a full-stack AI accounting firm aiming to automate the roughly $900B market for accounting labor. Its software automates reconciliation, tax compliance, and financial analysis for startups and SMBs by integrating with existing business systems and handling repetitive bookkeeping and back-office tasks. The platform combines AI automation with the deliverables of a traditional accounting firm so customers can offload manual data entry and organization in their ERP. Cranston was part of Y Combinator's Fall 2025 batch.
Cranston AI
ActiveFull Stack AI Accounting Firm
Total raised
$500K
1 round
Stage
Seed
Jan 2025
Team
1-10
since 2025
Pricing
—
Founded
2025
San Francisco, United States
Agent-ready
—
Automated bank and account reconciliation
Tax compliance automation
Financial analysis for startups and SMBs
Integration with existing business systems and ERPs
Handles repetitive bookkeeping and back-office tasks
Combines AI automation with traditional accounting-firm deliverables
Automates manual data entry and organization
Full-stack AI accounting firm model
12/100
Early
MCP server
Public API
Webhooks
OAuth 2.0
SDKs
No public agent surfaces detected yet.
Jan 2025 Seed $500K ● Y Combinator
Capital network
$500K raised ·1 backer·10 network links
- Backers1
- Shared portfoliocompanies these backers also fund
- Extended networkfunds that co-invest alongside them
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- What is Cranston AI?
- Cranston AI is a full-stack AI accounting firm that automates reconciliation, tax compliance, and financial analysis for startups and SMBs by integrating with existing business systems.
- What tasks does it handle?
- It automates repetitive bookkeeping and back-office work such as reconciliation, manual data entry, and organization in your ERP, while delivering the outputs of a traditional accounting firm.
- Who is it built for?
- It is aimed at startups and small-to-medium businesses that want to offload manual back-office accounting work.
- How does it integrate with my systems?
- Cranston AI integrates with existing business systems and ERPs to handle reconciliation, data entry, and financial organization.
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