
Startup
Quanta
AI-native general ledger with granular subledgers that produces real-time books for software companies from their Brex, Mercury and Stripe data, founded by two former Affirm engineers and backed by Accel.
| Founded | 2023, San Francisco |
|---|---|
| Founders | Helen Hastings (CEO, formerly Affirm), Theodora Chu |
| Stage | Series A |
| Total funding | $19.7m |
| Last round | Series A, $15m, December 2025, led by Accel |
| Earlier rounds | Seed $4.7m, February 2025, led by Accel with Elad Gil |
| What it does | A proprietary ledger and subledgers that ingest bank, card and payments data and produce continuously updated financial statements, initially accepting only customers it can account for fully automatically |
| Traction | Software companies and startups; grew from seed to Series A in ten months |
| Pricing | Not published |
| Markets | US |
| Peers | Puzzle, Kick, Truewind, Rillet, Campfire |
Why it matters
Quanta raised $15 million from Accel ten months after its seed, on a bet that a ledger built for automation from the start beats automating QuickBooks. It is the purest version of the real-time accounting idea among the startup-focused vendors.
Updated September 2026.
Part of Accountio’s accounting technology coverage.
