Read-only connection
QuickBooks stays your system of record. Kintsugi reads your data to calculate what you owe, monitor exposure, register, file, and remit.
Kintsugi calculates sales tax on your QuickBooks Online invoices in real time, tells you where you owe, and files and remits every return.
Free exposure monitoring · Filing from $75 · No per-transaction fees
Rated 4.6/5 on G2 (55 reviews) · 7,000+ customers

Trusted by 7,000+ businesses
Kintsugi's tax engine calculates sales tax on QuickBooks Online invoices as they're created, so the right amount is on every bill.
Your QuickBooks sales are tracked against every state's economic nexus threshold, with an alert the moment you cross one.
Kintsugi registers you where you owe, files every return, and remits on schedule, from $75 per filing or registration.
Connect QuickBooks Online once and Kintsugi takes over the sales tax work: calculating on invoices, tracking where you owe, and filing returns, without changing how you keep your books.

Authorize QuickBooks Online from Kintsugi. Customers, products, invoices, refunds, credit memos, and exemptions sync automatically, with no exports or duplicate entry.
Kintsugi's tax engine calculates sales tax on invoices as you create them, and calculates what you owe in every US state plus VAT and GST in 100+ countries.
Kintsugi registers you where you owe, files and remits every return on schedule, and keeps the reports you need to stay audit-ready.
| Synced | What Kintsugi does with it |
|---|---|
| Customers | Synced to determine where each sale is taxed and who is exempt. |
| Products | Classified for taxability by jurisdiction. |
| Invoices and transactions | Taxed as they're created and used to calculate what you owe in every jurisdiction. |
| Refunds and credit memos | Applied at the transaction level so filings reflect what you actually collected. |
| Exemption certificates | Carried through so exempt sales are not over-taxed. |
QuickBooks stays your system of record. Kintsugi reads your data to calculate what you owe, monitor exposure, register, file, and remit.
Kintsugi calculates sales tax on your QuickBooks Online invoices as they're created, so what you bill matches what you file.
Stop guessing which agencies to add. Kintsugi tells you where you have nexus and registers you there.
Connect QuickBooks without changing your books, run both in parallel, and move filing over on your timeline.
Get alerted the moment your QuickBooks sales cross a state's threshold, before it becomes back tax.
QuickBooks Online's automated sales tax calculates tax on invoices from where you sell or ship, the product's tax category, and the customer's exempt status. You add each tax agency yourself, and QuickBooks tracks your due dates.
For filing, QuickBooks offers an e-file service in some states. Otherwise you file with each tax agency and record the payment in QuickBooks. Deciding which agencies you need to collect for is left to you.
Kintsugi fills those gaps. Its tax engine calculates sales tax on your QuickBooks Online invoices in real time, it tells you where you have nexus in every state, and it registers, files, and remits for you.
Sources: Automated sales tax in QuickBooks Online, File and record sales tax in QuickBooks Online
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.