Read-only connection
Works with Legacy Tax and SuiteTax. NetSuite stays your source of truth while Kintsugi calculates what you owe, monitors exposure, registers, files, and remits.
Kintsugi calculates sales tax on your NetSuite invoices with its Vertex-powered engine, monitors nexus in every state, and files and remits your returns.
Free exposure monitoring · Filing from US$75 (approx. £57) · No per-transaction fees
Rated 4.6/5 on G2 (55 reviews) · 7,000+ customers
Trusted by 7,000+ businesses
Kintsugi's Vertex-powered tax engine calculates sales tax on NetSuite transactions as they're created, before the invoice posts.
Your NetSuite transactions are tracked against every state's economic nexus threshold and VAT and GST rules in 100+ countries.
Kintsugi registers you where you owe, files every return, and remits on schedule, from $75 per filing or registration.
Connect NetSuite once, on Legacy Tax or SuiteTax, and Kintsugi takes over the sales tax work without adding manual steps to your close.

Connect NetSuite on Legacy Tax or SuiteTax. Customers, products, invoices, and credit notes sync automatically, and Kintsugi calculates what you owe in every US state and 100+ countries.
Kintsugi's Vertex-powered tax engine calculates sales tax on NetSuite transactions as they're created, so what you collect is right before the invoice posts.
Kintsugi registers you where you owe, files and remits every return, and gives you the reporting you need to stay audit-ready.
| Synced | What Kintsugi does with it |
|---|---|
| Customers | Synced automatically to determine where each sale is taxed. |
| Products | Your NetSuite items are mapped to the correct tax treatment. |
| Invoices and transactions | Used to calculate what you owe across every US state and VAT/GST country. |
| Credit notes and refunds | Applied against the original invoice's tax so liability reflects what you collected. |
| Exemptions | Carried through so exempt sales are not over-taxed. |
Works with Legacy Tax and SuiteTax. NetSuite stays your source of truth while Kintsugi calculates what you owe, monitors exposure, registers, files, and remits.
Powered by Vertex, Kintsugi calculates sales tax on NetSuite transactions as they are created, so what you collect is accurate before the invoice posts.
Economic nexus monitoring runs on your NetSuite transaction data across all US states.
Run Kintsugi beside your current bundle during evaluation, then hand over filing and remittance.
VAT and GST exposure across 100+ countries from the same NetSuite data.
NetSuite's SuiteTax determines US sales tax on transactions, through its SuiteTax Engine or a partner tax engine, and the U.S. Sales Tax Reports SuiteApp adds liability and by-state reports.
Filing is handed off: for returns, the reports SuiteApp has you select a third-party tax filing partner.
Kintsugi covers the whole job. Its Vertex-powered engine calculates sales tax on NetSuite invoices in real time, and Kintsugi monitors nexus in every state, then registers, files, and remits for you.
Compare Kintsugi and Avalara for NetSuite
Sources: NetSuite SuiteTax FAQ, NetSuite U.S. sales tax reports
Jared Stark
Founder of Incendico Fire Alarm Store
The setup was incredibly seamless and much faster than I expected, with clear guidance throughout the process. What really stands out is their support since it is easy to get in touch with someone quickly and the team is knowledgeable and actually helpful when you have questions.

April Walford
Operations Manager at JMXi
They corrected errors in our past returns, enrolled us quickly and efficiently, filed everything on time, and thoroughly researched any questions or concerns we had. Their customer service is excellent.

Mo Hartman
Staff Accountant at Searchspring
Having the visibility on the dashboard has been extremely helpful and the ease of being able to approve. It is very user-friendly and I can see everything I need in one place.
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