Sales Tax Compliance

Multi-state nexus analysis, registration, filing, and audit defence

Why Choose This

Since the 2018 Supreme Court Wayfair decision, businesses can owe sales tax in states where they have no physical presence โ€” economic nexus based on sales volume or transaction count is enough. With over 13,000 tax jurisdictions across the US, each with different rates, product taxability rules, and filing frequencies, sales tax compliance is one of the most complex obligations a growing business faces. WeSaveTax analyses your sales footprint, registers you in required states, files returns on time, and monitors your nexus exposure as your business grows.

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Nexus Analysis

We analyse your sales data by state to determine where you have economic or physical nexus. You get a clear report showing which states require registration and filing โ€” and which do not, so you are not over-registering.

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State Registration

We handle sales tax registration with each state's department of revenue โ€” applications, permits, and account setup. If voluntary disclosure is advisable for past exposure, we guide you through that process too.

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Automated Return Filing

Monthly, quarterly, or annual returns are prepared and filed on time in every registered state. We compute tax collected, apply exemptions, and reconcile with your sales records before each filing.

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Audit Defence

If a state audits your sales tax compliance, we represent you through the process โ€” gathering documentation, responding to information requests, and negotiating assessments to minimise exposure.

How it works

How It Works

From first consultation to final delivery โ€” fully managed by qualified Tax Professionals.

Step 01 โ€” Analyse Sales by State

We map your nexus exposure

Upload your sales data and we identify every state where you meet economic nexus thresholds. You receive a nexus matrix showing current obligations and upcoming thresholds you are approaching.

Feature Deep Dive

Everything you need for seamless compliance

Economic Nexus Analysis

We evaluate your sales against each state's economic nexus thresholds โ€” typically $100,000 in sales or 200 transactions. Our analysis accounts for the nuances: some states use gross sales, others net; some count only taxable sales, others count all sales.

TAX SERVICE REPORTReviewed & Certified by Tax Expert

Marketplace Compliance

If you sell on Amazon, Shopify, Etsy, or other marketplaces, we determine where the marketplace collects tax on your behalf and where you remain responsible. This avoids double-collection and ensures you file correctly in marketplace facilitator states.

Tax Savings Analysisโ†‘ 34% saved

Product Taxability Review

Not everything is taxable everywhere. We review your product catalog against each state's taxability rules โ€” SaaS, digital goods, clothing, food, and services all have different treatment across states. Correct taxability means you collect the right amount.

Compliance Calendar โ€” FY 2025-2615 JunAdvance Tax Q1Due15 SepAdvance Tax Q2Due31 OctIncome Tax AuditDue20 OctGSTR-3BDue11 NovGSTR-1Due31 DecROC FilingDue31 MarYear EndDue

Voluntary Disclosure Agreements

If you have been selling into a state without collecting sales tax, a voluntary disclosure agreement (VDA) can limit lookback periods and waive penalties. We negotiate VDAs on your behalf to minimise past-due exposure before you register.

100% Compliantโœ“ Zero Penaltiesโœ“ On-Time Filingโœ“ Expert Verifiedโœ“ 100% Compliant

WeSaveTax vs Others

See how we compare on what matters most

FeatureWeSaveTaxFreelancerDIY / Self
Nexus AnalysisComprehensiveGuessworkSoftware Only
State RegistrationFull-ServiceDIY Each StateExtra Cost
Return FilingAll StatesTime-ConsumingAutomated
Marketplace ReconciliationIncludedComplexLimited
Audit DefenceIncludedHire AttorneyExtra Cost
PricingFrom $299/moStaff + Software$400+/mo

What Our Customers Say

Join thousands of happy taxpayers across India

โ€œWe sell on Shopify and Amazon across 38 states. WeSaveTax sorted out which states we actually needed to register in, handled all the registrations, and files every return on time. Sales tax used to keep me up at night โ€” not anymore.โ€

Kevin O'Brien

Portland, OR

โ€œOur SaaS product had unclear taxability in several states. WeSaveTax did a thorough product taxability review and saved us from over-collecting in states where SaaS is not taxable. Professional and knowledgeable team.โ€

Priya Sharma

New York, NY

โ€œHad three years of uncollected sales tax exposure in multiple states. WeSaveTax negotiated VDAs that saved us significant penalties. Now they handle ongoing compliance and we do not worry about it.โ€

Tom Richardson

Dallas, TX

Frequently Asked Questions

Quick answers to common questions

Economic nexus means you owe sales tax in a state based on your sales volume or transaction count, even without physical presence there. After the 2018 Wayfair decision, most states adopted economic nexus laws โ€” typically triggered at $100,000 in sales or 200 transactions. If you sell to customers in multiple states, it very likely applies to you.

It depends on the state. Some states tax SaaS and digital products, others do not, and some tax them differently than tangible goods. We review your specific products against each state's rules to determine the correct treatment โ€” you should not assume one-size-fits-all.

You may have past-due liability in states where you had nexus but were not collecting. A voluntary disclosure agreement (VDA) is often the best path โ€” it limits the lookback period (usually 3โ€“4 years instead of the full statute) and waives penalties. We handle the VDA process for you.

In most states, marketplaces like Amazon and Shopify collect and remit sales tax on your behalf for sales made through their platform. However, you may still be responsible for sales through your own website or other channels. We reconcile marketplace-collected tax with your overall obligations.

Filing frequency varies by state and is usually based on your sales volume โ€” monthly for high-volume sellers, quarterly for moderate, and annually for low-volume. Some states reassign frequency periodically. We track every state's schedule and file on time regardless of frequency.

Ready to Get Started with Sales Tax Compliance?

Join hundreds of businesses and individuals who trust our experts for hassle-free tax compliance and expert advisory.

Sales Tax Compliance โ€” Nexus Analysis, Registration & Filing | WeSaveTax