Sales tax filing service, on time.
A missed filing costs more than the tax. Our team prepares and files your sales tax returns in every state, every period, and stands behind each one.
Trusted by partners worldwide.
Filing that doesn't need a reminder.
Fully managed.
A tax specialist reviews every return before it goes out. Software pulls the data, people sign off on it.
Penalty protection.
If we cause a missed deadline or a filing error, we cover the penalty. That's the Zamp Commitment, not fine print.
Scales with you.
3 states or 35, the process is the same and so is the accountability. Adding a state adds nothing to your week.
How our sales tax filing works.
Every state, every frequency.
We prepare and file returns in every state where you have an obligation, on that state's schedule: monthly, quarterly, or annually. 40+ deadlines a year stop being your problem.
Reconciled before it's filed.
Zamp pulls transactions from your e-commerce platform, ERP, or accounting software, then our team reconciles the data and calculates what you owe. No manual exports, no guessing what goes where.
Your filing calendar, managed.
We track every due date in every state and adjust when a state changes your filing frequency. You get a confirmation for each return, so your records are complete without chasing anything.
Notices handled after filing.
If a state responds to a return with a notice, our team answers it. Submission isn't the end of our job.
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