Kintsugi

AI sales tax, VAT and GST automation for nexus tracking and filing.

Updated August 2026 · By the ERP Research Editorial Team · Independent and vendor-neutral.

Works with: NetSuiteQuickBooksXeroOther
Deployment: Cloud
Company size: SMB, Mid-market
Pricing: Subscription
Founded: 2023
Headquarters: San Francisco, United States

Overview

Kintsugi is an AI-native sales tax automation platform that monitors nexus, calculates tax in real time, and files and remits automatically for high-growth B2B, SaaS and e-commerce businesses. It tracks sales across all 50 US states and 50+ countries, alerting users when they trigger tax obligations, and supports EU VAT, GST/HST/QST and multi-currency reporting.

The platform uses AI to automatically classify products and apply the correct tax treatment, and to automate exemption certificate collection, storage and validation for B2B transactions. It connects to 40+ platforms via no-code integrations, including billing tools such as Stripe, Chargebee, Maxio, Orb and Ordway, as well as accounting/ERP systems like NetSuite, QuickBooks and Xero.

Founded by Pujun Bhatnagar (a former ML engineer) and launched in 2023, Kintsugi grew to over a thousand customers within roughly a year and in October 2025 announced a partnership with Vertex to bring enterprise-grade tax engine accuracy to the SMB market.

Screenshots & demo

Demo video from the vendor's YouTube channel. Screenshots sourced from Kintsugi.

Modules & capabilities

Kintsugi covers 15 of 40 capabilities we track in this category

38%

Real-time transaction-level tax calculationReal-time sales tax, VAT and GST calculation
Core strength
Address validation & jurisdiction-accurate sourcing
Not evidenced
Product/service taxability classificationAI product classification and taxability mapping
Core strength
Purchase-side (AP/use tax) determination
Not evidenced
Configurable custom tax rules & logic
Not evidenced
Multi-currency tax calculationMulti-currency reporting
Supported

“Not evidenced” means our research found no public documentation of this capability — the vendor may still offer it. Confirm on a demo.

Common use cases

A high-growth SaaS company putting sales tax on autopilot with AI classification
An e-commerce brand monitoring nexus across states and countries
A B2B seller automating exemption certificate collection and validation
A startup needing EU VAT and Canadian GST/HST/QST compliance
A finance team connecting billing tools like Stripe or Chargebee for tax
A scaling business filing and remitting automatically across jurisdictions
An SMB wanting enterprise-grade accuracy via the Vertex-powered engine

Strengths & considerations

Strengths

AI-native approach to product classification and exemption certificate handling
Large set of no-code billing and finance integrations (40+)
Partnership with Vertex to bring enterprise tax engine accuracy to SMBs

Considerations

Younger product (launched 2023) versus established incumbents
Oriented toward SMB and high-growth segments rather than large enterprise

ERP integrations

NetSuiteKintsugi Powered by Vertex for NetSuite (SuiteTax)

Certified marketplace app

Bi-directionalSales transactionsTax codes

Built on the Vertex tax engine, delivered as a SuiteTax connector.

Marketplace listing →

QuickBooksKintsugi for QuickBooks

Prebuilt connector

Bi-directionalInvoicesGL journal entries

Two-way sync that reconciles the QuickBooks GL against tax filings.

Integration docs →

XeroKintsugi for Xero

Prebuilt connector

Bi-directionalInvoicesSales transactions

Native Xero connector listed among Kintsugi's supported integrations.

Integration docs →

Connector details independently verified against vendor marketplaces and documentation; last checked 2026-08-11.

Pricing

Model

Subscription

Free trial

Yes

Subscription tiers based on transaction volume and filings; usage-based filing fees. Free trial available via the platform and Shopify app. Get an independent shortlist with pricing guidance below.

Technical & security

Hosting: SaaS (multi-tenant)
Data residency: US
Compliance: SOC 2
Mobile app: No
Languages: English

About the vendor

Founded: 2023
Headquarters: San Francisco, United States
Employees: ~50
Ownership: Private

Alternatives to Kintsugi in Tax Compliance

AnrokSales tax and VAT compliance built for SaaS and software companies.AvalaraCloud tax calculation, returns filing and e-invoicing across jurisdictions.FonoaGlobal tax determination, e-invoicing and digital reporting automation.PageroGlobal e-invoicing network and compliant document exchange platform.QuadernoCross-border sales tax, VAT and GST compliance for digital sellers.SovosGlobal tax determination, VAT reporting and e-invoicing compliance suite.

Kintsugi — frequently asked questions

What makes Kintsugi 'AI-native'?

Kintsugi uses AI to automatically classify products and apply the correct tax treatment, and to automate exemption certificate collection, storage and validation, in addition to monitoring nexus and filing returns.

Which systems does Kintsugi integrate with?

It connects to 40+ platforms via no-code integrations, including billing tools (Stripe, Chargebee, Maxio, Orb, Ordway) and accounting/ERP systems like NetSuite, QuickBooks and Xero.

Does Kintsugi handle international tax?

Yes. It supports EU VAT, GST/HST/QST and multi-currency reporting, tracking sales across 50+ countries in addition to all US states.

What is the Vertex partnership?

In October 2025 Kintsugi partnered with Vertex to offer a Vertex-powered tax engine, bringing enterprise-grade determination accuracy to the SMB market.

Evaluating Tax Compliance?

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