Zamp is the Operating System of Sales Tax. The company combines AI agents with tax professionals to own the entire compliance lifecycle - filing, registration, taxability, notices, and data import - end-to-end, across all 50 U.S. states and 100+ countries. Zamp sources its own tax data, owns every workflow, and guarantees the outcome: if Zamp gets it wrong, Zamp covers the penalty. 120+ accounting firms trust Zamp to deliver managed sales tax compliance to their clients - as a referral partner or white-label service. 99.97% filing accuracy. $300M+ remitted. 100,000+ on-time filings. 12x output per compliance resource. 97.8% client retention.

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Funding Events

Date	Amount	Type	Investors	Valuation
04/30/26	$30,000,000	Venture	aCrew Capital Thomson Reuters Ventures	undisclosed