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

Sales Tax 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.