What it sells
AI-powered sales tax compliance.
Business model breakdown
Economics: what it saves and how it charges
Per-filing/registration fees plus enterprise contracts; guarantee to pay penalties if filing is late.
Distribution: how it reaches customers
Demo-led sales, native integrations with Shopify, Stripe, Amazon, QuickBooks, plus a partners program.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| 2026-10-15 | — | $100M | — | news.google.com |
| 2026-09-23 | Series C | $100M | Y Combinator | news.google.com |
| — | Y Combinator Winter 2023 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.