Kintsugi vs Zamp
Kintsugi
Ecommerce, SaaS and finance teams
San Francisco, US; founding year not published
Zamp
Growing small to mid-size digital businesses (e-commerce, SaaS, digital services), plus accounting firms serving clients on a referral or white-label basis
Founding year not published; Miami, Florida, US
Kintsugi and Zamp both handle sales tax compliance for growing businesses, from nexus monitoring to registrations, filing and remittance.
Kintsugi, based in San Francisco, sells sales tax, VAT and GST software with an AI assistant to 7,000+ businesses; Zamp, based in Miami, combines software with tax specialists in a managed service for 1,200+ finance and accounting teams.
Kintsugi vs Zamp: side by side
“Not published” means the vendor does not state it.
| Kintsugi | Zamp | |
|---|---|---|
| What it does | Sales tax, VAT and GST compliance: exposure (nexus) monitoring, registrations, filing and remittance, exemption certificates and back filing, with an AI assistant (Kin) | Managed sales tax compliance: software plus tax specialists handling nexus tracking, registrations, rooftop-level calculation, filing, remittance and notices |
| Best for | Ecommerce, SaaS and finance teams | Growing small to mid-size digital businesses (e-commerce, SaaS, digital services), plus accounting firms serving clients on a referral or white-label basis |
| Founded and HQ | San Francisco, US; founding year not published | Founding year not published; Miami, Florida, US |
| Ownership and funding | Not published | Private; US$30m raised in total, latest round led by Acrew Capital with Thomson Reuters Ventures (announced Apr 2026) |
| Customers or users | 7,000+ businesses | 1,200+ finance and accounting teams and over 120 accounting firms; named customers include Crumbl, Oats Overnight, David Protein, Cult Gaia, Tushy, Handwrytten; firms include Withum and Anchin |
| Pricing | Free exposure monitoring; Starter from US$75 per filing or registration; Premium custom with volume discounts; month to month, no transaction fees | Free plan (nexus and exposure assessment, API sandbox); paid U.S. and U.S. + Canada plans scoped per customer, no list prices, no per-transaction fees |
| Deployment and markets | US sales tax on every plan; Canada, the EU, the UK and 100+ countries on Premium | Cloud platform with managed service; US (50+ states and territories, 13,000+ jurisdictions) and Canada (GST/HST/PST/QST) |
Main differences
Zamp is a managed service, done for you or done with you, with tax specialists; Kintsugi is software with an AI assistant, Kin.
Kintsugi covers US sales tax on every plan, and Canada, the EU, the UK and 100+ countries on Premium; Zamp covers the US and Canada.
Kintsugi charges from US$75 per filing or registration, month to month; Zamp has a free plan and scopes paid plans to each customer; neither charges transaction fees.
Kintsugi serves 7,000+ ecommerce, SaaS and finance teams; Zamp serves 1,200+ finance and accounting teams and over 120 accounting firms, which can refer clients or white-label the service.
Which to choose
Choose Kintsugi if
- You sell into Canada, the EU, the UK or other countries as well as the US, or want to pay per filing month to month
Choose Zamp if
- You want tax specialists to handle registrations, filings and notices for you, with Zamp paying penalties caused by its own filings
Compare further
Common questions
What is the difference between Kintsugi and Zamp?+
Kintsugi is sales tax, VAT and GST compliance software: exposure monitoring, registrations, filing and remittance, exemption certificates and back filing, with an AI assistant called Kin. Zamp is a managed sales tax service: software plus tax specialists handling nexus tracking, registrations, rooftop-level calculation, filing, remittance and notices.
How much do Kintsugi and Zamp cost?+
Kintsugi offers free exposure monitoring; its Starter plan costs from US$75 per filing or registration and Premium is custom, month to month with no transaction fees. Zamp has a free plan for nexus and exposure assessment; its paid US and US-plus-Canada plans are scoped to each customer, with no per-transaction fees.
Which countries do Kintsugi and Zamp cover?+
Kintsugi covers US sales tax on every plan, and Canada, the EU, the UK and 100+ countries on its Premium plan. Zamp covers the US, across 50+ states and territories and 13,000+ jurisdictions, and Canadian GST, HST, PST and QST.
Part of Accountio’s accounting technology coverage.
