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Combinely

Combinely is a YC Spring 2025 (P25) company. Team of 5.

About Combinely

GPAgent's own fund-neutral profile, written from public information. Updated Oct 5, 2026.

Summary

Combinely builds an AI coworker, Coco, for US accounting firms. Coco handles the preparation side of accounting work, including document collection, client communication, bookkeeping, payroll, sales tax, and individual and business tax return prep, across the tools firms already use. Accountants review the output rather than doing the groundwork themselves.

Business model

A sign-up and demo flow targets accounting firms directly, with a free entry point and firm-level adoption implied by the customer base shown.

Go-to-market

Combinely sells to US accounting firms through a self-serve sign-up and a book-a-demo path, with Coco integrating into existing tools like QuickBooks, Outlook, and UltraTax CS to lower the barrier to adoption.

From the Y Combinator listing

How Combinely describes itself in Y Combinator's public directory. Original listing (opens in a new tab)

AI coworker for tax teams

Built by an ex-Deloitte/Google team, Combinely’s AI-coworker proactively takes on work, helping tax teams handle everything from document collection, answering client queries to producing & reviewing tax returns.

Facts

Industry
B2B / B2B -> Finance and Accounting
Team size
5
Status
Active
Stage
Early

Founders (2)

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