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Your dedicated partner in tax and financial services. Email: info@astrumglobalaccounting.com Phone: +1 (786) 891-1101

Sales Tax Services

Sales Tax Filling Services


State Nexus Review & Registration

We help you determine where your business has sales tax nexus based on physical presence, economic thresholds, or marketplace rules. Our services include:

  • Nexus evaluation for all 45 sales-tax states
  • Registering your business for state sales tax accounts
  • Assisting with multi-state compliance setup

This ensures you are properly registered before filing begins.


Sales Tax Collection & Reporting

We ensure your sales tax is collected accurately—online or in-store. Our services include:

  • Reviewing sales transactions
  • Applying correct state, county, and city tax rates
  • Ensuring marketplace facilitator rules are followed

This helps prevent calculation errors and compliance issues.


Monthly, Quarterly & Annual Sales Tax Return Filing

Each U.S. state has different filing frequencies. We manage all filing schedules, including:

  • Monthly Sales Tax Returns
  • Quarterly Sales Tax Returns
  • Annual Sales Tax Returns

We prepare and submit your returns accurately, avoiding penalties and ensuring compliance.


Multi-State Sales Tax Filing

If your business sells across state lines—especially through eCommerce platforms—we offer complete multi-state filing:

  • Filing for 1 state or all 45 U.S. sales-tax states
  • Handling marketplace sellers (Amazon, Walmart, Etsy, Shopify, eBay)
  • Managing product taxability in each state

We simplify multi-state compliance so you don't have to track dozens of filing deadlines.


Audit Support & Notice Handling

If you receive a notice from any state’s Department of Revenue, we handle it on your behalf:

  • Responding to state tax notices
  • Resolving discrepancies
  • Providing audit support and documentation

Our experts ensure quick and accurate resolutions.


Sales Tax Reconciliation & Record Keeping

Businesses must maintain accurate records for sales tax audits. We offer:

  • Monthly sales tax reconciliation
  • Matching sales data with filed returns
  • Comprehensive documentation storage

This keeps you audit-ready and stress-free.