Startup
Clark (formerly uiAgent)
New York company whose agent, Ava, works inside the accounting systems firms already use to do data entry, bank reconciliation and month-end tasks; the company now trades as Clark.
| Founded | 2024, New York |
|---|---|
| Founders | Enes Witwit (CEO) |
| Stage | Seed |
| Total funding | $4.6m |
| Last round | Seed, $4.6m, September 2025, led by Marathon Management Partners with Rerail |
| What it does | An AI agent that operates existing accounting software through its interface, handling categorisation, reconciliation and close tasks without a data migration |
| Traction | Seven-figure annual recurring revenue within a year; more than 35 CPA firms including top-100 firms |
| Pricing | Not published |
| Markets | US |
| Peers | Basis, Booke AI, Truewind, Botkeeper |
Why it matters
uiAgent reached seven-figure revenue within a year of its 2025 seed by putting an agent on top of the software firms already own rather than asking them to switch. It rebranded as Clark in 2026; this profile keeps the name the directory uses.
Accountio coverage
uiAgent accounting platform raises $4.6m to automate accounting tasks
Updated September 2026.
Part of Accountio’s accounting technology coverage.
