“Can an AI-native challenger unseat Avalara as the default sales-tax compliance layer for ecommerce and SaaS?”
Founded in 2023 in response to the post-Wayfair sales-tax compliance burden, Kintsugi positions itself as an 'AI-native' alternative to Avalara and TaxJar. The company started with US sales tax automation for ecommerce and SaaS, then expanded into VAT/GST across 100+ countries. Notably, for NetSuite customers it embeds Vertex's enterprise tax engine underneath its own AI workflows — a hybrid of proprietary AI and licensed enterprise tax content.
Kintsugi moves money over ACH.
Kintsugi integrates with QuickBooks, Xero, NetSuite, Sage Intacct and Microsoft Dynamics 365.
The Embedded Finance Index 2026 maps 3 layers in Kintsugi's stack: Money movement (ACH); Unified APIs (Apideck); Accounting (QuickBooks, Xero, NetSuite, Sage Intacct and 1 other).
Kintsugi was founded by Pujun Bhatnagar, Barkin Doganay and Jeff Gibson and is founded in 2023, headquartered in San Francisco, California, USA.
Kintsugi has raised $28M+ across disclosed rounds (Series A $6M, extension $4M, Vertex-led $18M; earlier seed not itemised) in total (latest round: Vertex-led strategic round, April 2025 ($18M); valuation: $150M post-money (April 2025)).
Get a read on where your own stack stands against Kintsugi and the rest of its category — what they built versus bought, which providers they use, and where the gaps in your own strategy and competitive set actually are.