Double
Category: AI in Fintech
An AI-powered practice management platform that sits on top of accounting ledgers (QuickBooks/Xero) to streamline month-end closes, automate error detection, and manage client communication for bookkeepers. Double was founded in 2020. The company is led by Ben Stein. Based in Austin, TX, United States. Team size: 50-100 (Approx. 72 employees). Total funding raised: $12.5M+. Latest round: Series A ($6.5M, Dec 2025). Key investors include Album Ventures, Jack Altman, Y Combinator, Mathilde Collin, Rahul Vohra.
- Founded
- 2020
- Headquarters
- Austin, TX, United States
- Team size
- 50-100 (Approx. 72 employees)
- Total funding
- $12.5M+
Value proposition
Doubles the power of accountants by reducing time spent on month-end closes by up to 50% through automated file reviews and a unified portal for client inquiries.
Products and solutions
Month-End Close Workflow Dashboard, AI File Review & Error Detection, Client Portal (Inquiries & Documents), Management Reporting Packages, Double Chrome Extension
Unique value
Purpose-built for the 'month-end close' workflow with deep 2-way integration, allowing accountants to fix ledger errors directly within the project management interface.
Target customer
Bookkeeping firms, accounting agencies, and outsourced CFOs managing multiple client files
Industries served
Accounting & Bookkeeping, Fintech, Professional Services
Technology advantage
Combines project management with direct ledger read/write capabilities and AI-driven anomaly detection to eliminate manual data entry and catch coding errors automatically.
How they differentiate
Proprietary 2-way sync with QuickBooks/Xero allowing direct ledger edits, combined with AI-driven anomaly detection for month-end closes.
Main competitors
Financial Cents, Xenett, FloQast
Key partnerships
Intuit (QuickBooks Online), Xero, Y Combinator (Investor), Album Ventures (Investor)
Notable customers
4,000+ Accounting & Bookkeeping Firms
Major milestones
Graduated Y Combinator (S21) in 2021, Rebranded from 'Keeper' to 'Double' in Oct 2025, Raised $6.5M Series A led by Album Ventures in Dec 2025
Growth metrics
Serves over 4,000 accounting firms; doubled team size in 2025.
Market positioning
The first AI-powered Close Management Platform specifically for outsourced bookkeeping and accounting firms.
Geographic focus
North America
Patents and IP
No registered patents disclosed as of latest update
About Ben Stein
Ben Stein is the Co-Founder and CEO of Double (formerly Keeper). Previously, he served as the CFO of Mira, a tech startup acquired by Apple, where he managed financial operations. He holds a Bachelor of Science in Business Administration from the University of Southern California - Marshall School of Business.
Official website: https://doublehq.com