Startup profile

Zamp

Series BNew York, NY, United StatesUndisclosed raised

Open roles1
Total raisedUndisclosed
Team size11-50
Founded · Stage2022 · Series B

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About the company

What they build and who they serve.

Zamp is a vertically integrated sales-tax compliance platform that combines AI agents with in-house tax and legal professionals to own the full compliance lifecycle — registration, filing, taxability, notices, and data normalization — across all 50 U.S. states and more than 100 countries. Marketed as the "Operating System of Sales Tax," the company sources its own tax data across 12,000+ jurisdictions and offers a penalty guarantee to its customers and accounting-firm partners. Founded in 2023 by CEO Rohit Bhadange, Zamp serves direct merchants such as Crumbl Cookies and Oats Overnight as well as 120+ accounting firms including Withum, Anchin, Frank Rimerman and Larson Gross.

Team & contacts

Key people at the company—reach out on LinkedIn or email.

Why it matters

Signals from funding, traction, and product direction.

  • Round disclosed alongside the global launch of Zamp OS; press release reports $30M in total funding raised to date — this round's specific amount and series letter were not disclosed.
  • Latest round led by Acrew Capital with participation from Thomson Reuters Ventures and several of Zamp's accounting firm partners who invested directly.
  • Earlier backers from prior rounds include Valor Equity Partners, 20Growth, and Friends & Family Capital.
  • Traction at announcement: 120+ accounting firm partners (Withum, Anchin, Frank Rimerman, Larson Gross), $300M+ sales tax remitted, 100,000+ on-time filings, 75,000+ notices handled at 99.97% filing accuracy, 97.8% client retention in 2025, sales-tax coverage across 100+ countries.

Funding history

Rounds and investors over time, newest first.

  1. Series B

    $undisclosed
    Thomson Reuters VenturesAcrew Capital · Lead

In the news

Press, announcements, and coverage about this company.

Investors

Thomson Reuters VenturesAcrew Capital

Focus areas

B2BAI/MLComplianceEnterprise SoftwareTax Services
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