Running an e-commerce business is exciting, but with every new marketplace, warehouse, and customer comes a growing web of sales tax obligations. At My Sales Tax Firm, our expert led team helps online sellers stay fully compliant in every state, without the confusion, risk, or wasted time.
E-commerce sellers operate in a constantly shifting regulatory environment. Each state defines nexus differently, marketplace facilitator laws vary, and even the taxability of your products can change overnight.
Many online sellers unknowingly collect too little, or in some cases, too much, sales tax, exposing their business to penalties and audits.
Our experts monitor every legislative update and handle the complex compliance work for you; so you can focus on sales, not statutes.
Simplify state-by-state rules with expert guidance.
Identify risks early and stay compliant with confidence.
From determining where you have nexus to managing filings across all 50 states, we offer a full suite of e-commerce compliance services designed to keep you ahead of risk.
We’ll review your sales, inventory, and fulfillment operations to determine where your business has physical or economic nexus. Knowing your exposure early allows you to register before states come knocking.
Once nexus is confirmed, our team registers your business in the required states—usually within one to two weeks—ensuring you’re compliant before your next sales cycle.
We prepare and file your returns accurately and on time, for every jurisdiction. Whether you sell through Shopify, Amazon, Etsy, or your own site, we integrate your data for seamless compliance.
Unsure if your product is taxable in one state but exempt in another? We conduct detailed research and deliver a taxability matrix that clarifies how each product is treated across jurisdictions.
Collecting resale or exemption certificates is just the start. We validate each one to ensure it’s complete, accurate, and defensible in an audit—protecting your business from liability.
When a notice arrives from a state tax agency, we handle it directly. Our specialists respond, resolve discrepancies, and prevent minor issues from escalating into penalties.
Unlike general CPAs or DIY software, we focus exclusively on sales and use tax compliance. That means you get:
Deep expertise in U.S. e-commerce regulations
Personalized support from real CPAs and tax professionals
Multi-state management without the headaches
Peace of mind knowing every return, registration, and notice is handled
We’re not software — we’re your compliance partner.
Majority of our work revolves around online sales tax.
The accuracy of automation with the insight of real experts.
Whether you sell handmade jewelry on Etsy or run a multi-channel Shopify brand, sales tax compliance shouldn’t hold you back.
Let our specialists identify your nexus footprint, register you in the right states, and manage every filing with precision.
Get clarity on where you stand before you commit.
We handle every step, from nexus to notice resolution.
