Zamp

Founded 2022

Automate sales tax calculation, registration, reporting, and filing across states and jurisdictions

You can use Zamp to manage the entire sales tax cycle across the United States and Canada. The service monitors your economic nexus thresholds in every jurisdiction, alerts you when you need to register, and registers your business on your behalf. It computes exact rooftop-level tax rates during customer checkout, prepares your periodic tax returns, and handles remittance to tax authorities. When state departments send audit notices or compliance inquiries, dedicated specialists review and resolve them directly for your finance team.

What Zamp does

Track economic nexus limits across all US statesRegister business entities with state tax departmentsCalculate sales tax at checkout using physical coordinatesPrepare and submit state sales tax returnsRemit sales tax payments to tax agenciesRespond to state tax inquiries and noticesConnect sales channels to sync transaction dataRooftop-level sales tax calculations based on exact geospatial coordinatesAutomated sales tax return filing and remittance across all statesContinuous economic nexus monitoring and threshold alertsEnd-to-end tax notice handling and direct resolution with state agenciesState and provincial tax registration completed by tax specialistsReal-time sales tax calculation API for ecommerce checkoutsFull tax support across both the United States and Canada

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