Sales & Use Tax Filing
Sales tax compliance made simple — we handle registration, filing, and multi-state reporting for your business.
Expert guidance for eCommerce sellers, retailers, and service providers.
Multi-State Sales & Use Tax Compliance
Sales and use tax rules vary from state to state — and with the rise of eCommerce and remote selling, it's never been more complex.
At Tax Genius LLC, we help businesses of all sizes register, collect, and remit sales tax accurately across all 50 states. Whether you sell online, operate physical locations, or both, we manage your sales and use tax filing to keep you compliant and penalty-free.
We work with eCommerce platforms (Shopify, Amazon, Etsy, WooCommerce) and physical businesses alike to ensure proper filing, reporting, and audit defense.
Sales Tax Registration
Setup and registration in all 50 states
Multi-State Filing
Monthly, quarterly, or annual returns
eCommerce Integration
Shopify, Amazon, Etsy platform support
What's Included
Complete sales and use tax services for all business types
Sales Tax Registration (All 50 States)
We handle your sales tax account setup and registration with the correct state agencies.
Sales & Use Tax Filing
Preparation and submission of monthly, quarterly, or annual sales tax returns based on your filing frequency.
Multi-State Compliance Management
We monitor your nexus thresholds (sales, transactions, or physical presence) and ensure you file in the right states.
eCommerce Platform Integration
We integrate directly with Shopify, Amazon, Etsy, and other marketplaces to gather accurate tax data.
Use Tax Reporting
Filing for use tax owed on out-of-state purchases where sales tax wasn't collected.
Audit Support & Reconciliation
If the state audits your sales tax filings, we prepare documentation and represent you during the review.
Who This Service Is For
Perfect for businesses selling products or services with sales tax obligations
Online Sellers & eCommerce
Shopify, Amazon, Etsy, WooCommerce, eBay sellers
Retail & Franchise Stores
In-state or multi-state physical operations
Service Providers
Taxable sales or mixed transactions
Wholesalers & Distributors
Collecting or remitting use tax
Remote Businesses
Crossing state "economic nexus" thresholds
Our 4-Step Process
Streamlined workflow for complete sales tax compliance
Nexus Review
We identify where your business has physical or economic presence (nexus) and determine required states for registration.
Registration & Setup
We register your business for sales tax permits in each applicable state or jurisdiction.
Filing & Remittance
We prepare, file, and remit your sales and use tax returns on a monthly, quarterly, or annual basis.
Reporting & Ongoing Compliance
We maintain a compliance calendar and track threshold changes to keep your business in good standing year-round.
Required Documents
Why Choose Tax Genius LLC
🧾 All 50 States Covered
We register and file for every U.S. state and local jurisdiction.
🌎 eCommerce Specialists
Deep expertise with Shopify, Amazon, and multi-channel sellers.
⚖️ Accurate Nexus Analysis
We determine where you legally need to collect and file sales tax.
💬 Ongoing Compliance
We track law changes and thresholds so you stay audit-proof.
🔒 Secure & Efficient
Encrypted data handling and automated reporting integration.
Pricing Packages
Transparent pricing for all sales tax compliance needs
Single-State Registration & Filing
Local retailers or single-state sellers
- ✓ Sales tax registration in one state
- ✓ Monthly or quarterly filing (one state)
- ✓ Basic nexus review
- ✓ Transaction reconciliation
- ✓ Email support
Multi-State Filing Package
eCommerce or remote sellers (2–5 states)
- ✓ Registration in 2-5 states
- ✓ All monthly/quarterly filings
- ✓ Comprehensive nexus analysis
- ✓ Platform integration (Shopify, Amazon)
- ✓ Use tax reporting
- ✓ Compliance calendar
- ✓ Priority support
Comprehensive Compliance Plan
6+ states or nationwide sellers
- ✓ Registration in 6+ states
- ✓ Unlimited filing frequency
- ✓ Full nexus monitoring and tracking
- ✓ Multi-platform integration
- ✓ Audit support and representation
- ✓ Law change notifications
- ✓ Voluntary disclosure assistance
- ✓ Dedicated account manager
💬 Add-ons: platform integration, sales tax automation, and audit representation.
Frequently Asked Questions
Common questions about sales and use tax filing
Need help managing your sales and use tax compliance?
We'll register your business, track nexus, and handle all filings — so you never miss a deadline.