Our Services

Expert Sales Tax Solutions for Every State & Every Seller

Nexus Analysis & Risk Review

We identify where your business has nexus and guide you on compliance before states come knocking.

Sales Tax Registration Services

Get registered quickly and accurately in every state where you sell — ensuring full compliance and peace of mind.

Sales Tax Filing & Remittance

We prepare, file, and remit your returns across all jurisdictions — ensuring every deadline and detail is handled.

Multistate Taxability Research

We untangle complex, state-specific rules so you always know what’s taxable — and what’s not.

Exemption Certificate Compliance

Centralized, audit-ready management of all your resale and exemption certificates.

Audit & Notice Response Support

We handle every tax notice and audit communication — protecting you from costly mistakes.

Voluntary Disclosure Agreements (VDAs)

Resolve historical sales tax exposure proactively with strategic VDA assistance, helping you address back-tax liabilities before they become a larger compliance problem.

Nexus Analysis & Risk Review

We analyze your sales channels, operations, and fulfillment models to determine where your business has sales tax nexus. By proactively identifying exposure in unregistered states, we help you eliminate risk – whether by ceasing nexus-causing activities or registering before a state audit ever occurs.
Our detailed nexus review gives you the clarity and control needed to stay compliant across all jurisdictions.

Sales Tax Registration Services

Sales Tax Registration Services

Once we’ve identified where you have nexus, we manage your registrations with each state tax authority. Our team completes all forms, obtains your permits, and ensures every registration is done correctly and efficiently.
For most states, the process takes one to two weeks — and you’ll always have full visibility along the way.

Sales Tax Filing & Remittance

We handle your sales and use tax filings in every state where you operate. From collecting accurate sales data to preparing and submitting returns, we make sure every deadline and remittance is handled flawlessly.
With My Sales Tax Firm managing your filings, you can focus on running your business instead of worrying about multi-state compliance.

Sales Tax Filing & Remittance
Multistate Taxability Research

Multistate Taxability Research

Every state has unique rules on what’s taxable — and what isn’t. Our experts conduct in-depth research to determine how sales tax applies to your products and services.
We provide clear, easy-to-read tax matrices that outline taxability by jurisdiction, ensuring you charge customers correctly and avoid audit risk.

Exemption Certificate Compliance

Collecting certificates is just the beginning. We validate every resale and exemption certificate to ensure the correct form is used, all fields are completed, and nothing is missing.
Our team maintains an organized, audit-ready certificate library so you’re always protected if a state comes calling.

Exemption Certificate Compliance
Audit & Notice Response Support

Audit & Notice Response Support

Sales tax notices and audits can be intimidating; but they don’t have to be. We engage directly with state tax authorities to manage and resolve every issue on your behalf.
From clarifying discrepancies to providing documentation, our experts make the process smooth, fast, and stress-free; protecting your business from penalties and unnecessary risk.

Voluntary Disclosure Agreement (VDA)

Discovered past sales tax exposure? Our Voluntary Disclosure Agreement (VDA) services help businesses proactively address eligible historical sales tax liabilities, potentially reducing penalties and limiting the lookback period. We handle the research, eligibility assessment, documentation, state communication, and compliance process to help you resolve past exposure and move forward with confidence.

VDA