Startup
Kintsugi
AI sales tax compliance for small and mid-sized businesses: nexus tracking, registrations, filing and remittance, with tax incumbent Vertex as a 10% shareholder after its 2025 investment.
| Founded | 2022, San Francisco |
|---|---|
| Founders | Pujun Bhatnagar (CEO, formerly Facebook), Barkin Doganay, Jeff Gibson |
| Stage | Series A |
| Total funding | About $35m |
| Last round | $18m, April 2025, led by Vertex, which took a 10% stake. Valuation $150m, up from $80m five months earlier. |
| What it does | Connects to billing, e-commerce and ERP systems to monitor nexus, register in new states, calculate tax and file and remit returns, with an AI assistant for tax questions |
| Traction | More than 300 businesses |
| Pricing | Not published; tiered by filings |
| Markets | US |
| Peers | Anrok, Numeral, Zamp, Sphere, Avalara, TaxJar |
Why it matters
Kintsugi doubled its valuation in six months to $150 million and took Vertex, a 45-year-old tax software company, as a strategic investor. It is the clearest sign yet that the incumbents intend to buy into the AI sales tax generation rather than build against it.
Updated September 2026.
Part of Accountio’s accounting technology coverage.
