Comprehensive integration support
Connect directly to QuickBooks, Xero, and other accounting platforms your clients use. Plus Shopify, Amazon, and the rest of our 60+ integrations. One-time setup, continuous sync.

Sales Tax Software for CPAs
Automate your clients sales tax registrations, filings, exemptions and international compliance with one tool.

Trusted by 8,000+ businesses
"We partnered with Kintsugi so our customers can proactively track tax nexus and avoid surprises. Building the integration was fast and frustration-free thanks to their APIs and responsive team."
"Kintsugi really does take care of everything once your accounts are synced. It automatically calculates and breaks down sales tax by platform and state."
80%
reduction in compliance time
"We were drowning in tax compliance before Kintsugi. Their automation took over the entire process—tracking different rates, managing exemptions—it was a game changer for us."
90%
time savings on compliance

8,000+
businesses automated
$15.1B
transactions processed
<2 hours
average support response
Connect directly to QuickBooks, Xero, and other accounting platforms your clients use. Plus Shopify, Amazon, and the rest of our 60+ integrations. One-time setup, continuous sync.

Automate routine compliance tasks. Spend more time on tax planning, advisory services, and growing your practice.
$75 per filing or registration. No per-transaction fees that punish client growth.
Complete automation from nexus monitoring through filing and remittance. Reduce manual work dramatically.
Tax professionals on staff who understand multi-state complexity. Real support when you need guidance on client situations.
Still have questions?
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