Building the modern standard for sales tax compliance.
We offer an AI-powered managed service for modern businesses—making expert compliance accessible to those who need it most.
$300M+
sales tax remitted100K+
filings on-time75K+
notices handled200K+
hours savedOur team combines sales tax technology with hands-on expertise to manage registrations, calculations, filings, and remittance for growing businesses.
Our customers love us.
Consistent 5-star reviews make us the top rated global sales tax platform.
We believe you shouldn't have to understand sales tax to get it right.
The world changed in 2018. The Wayfair decision ended the physical presence requirement for sales tax, pushing enterprise-level complexity onto growing businesses, worldwide.
Businesses found themselves with three terrible options:
Ignore it and risk liabilities worth 5-10% of revenue
Hire consultants who charge enterprise prices
Buy software that still requires you to be a tax expert to operate it
Backed by the best
Zamp is backed by world-class investors who share our vision of solving the sales tax problem for good.
We keep ourselves accountable for your sales tax outcomes
We’re accessible.
Tax issues are time-sensitive. We answer the phone and provide fast, accurate responses so you never feel left waiting.We strive for excellence.
We are constantly building a world-class product that redefines what SMBs can expect.We uphold integrity.
Trust is at the core of everything. We safeguard your business with accuracy and honesty.We appreciate the journey.
The story we write with our team and customers matters as much as the outcomes we achieve.400 years of tax expertise. At your service.
Whether you sell on marketplaces, your own site, or wholesale channels, we ingest the data, validate the tax, and prepare the filing without you lifting a finger.
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Ready to run toward hard problems?
Join us to simplify sales tax for businesses everywhere.
