Streamlined Sales Tax

Get no-cost sales tax compliance solutions in 24 states when you qualify as a Streamlined Sales Tax (SST) volunteer.

Avalara is SST certified

The Streamlined Sales and Use Tax Agreement, or simply Streamlined Sales Tax, is an effort by state and local governments to simplify sales tax compliance for SST-registered businesses. As one of the few SST certified service providers (CSPs), Avalara can help get you going, starting with SST registration and possibly continuing with free sales tax services.

Shortcut to compliance

SST aims to make multistate compliance easier and more affordable by covering the cost of automated sales tax solutions for qualified businesses. This includes sales tax calculations, returns preparation, and filing.

A lesser burden

Sales tax can be a bear for businesses to manage — 12,000+ U.S. jurisdictions set their own rates and rules, all fluctuating frequently. SST seeks to tame the chaos, so businesses can get a grip on multistate compliance.

Streamlined requirements

Participating SST states must provide more uniform rules and regulations for businesses to follow when it comes to sales tax rates, exemption certificates, remittances, audits, and more.

SST states

Participation in SST is voluntary for both businesses and states. Currently there are 23 full member states that follow all SST guidelines, and one associate member that adheres to partial guidelines — as shown in the map below.

View SST datasheet

Should I register right away?

SST makes more sense for some businesses than others, depending on sales volume in participating states — and other factors. Avalara can help you with the registration process.

The benefits of Avalara and SST


No-cost sales tax services
No-cost sales tax services

As a CSP, Avalara provides free sales tax calculations, filing, and more in all the states where you qualify as an SST volunteer.

Easy SST registration
Easy SST registration

We’ll register your business with SST in all participating states at no cost. Previously registering to collect sales tax in a state doesn’t preclude you from registering with and taking advantage of SST in that state.

Unlimited tax calculations
Unlimited tax calculations

Avalara will apply SST-based rates and rules to applicable transactions to deliver real-time sales tax calculations to your shopping cart — at no cost in the states where you qualify as an SST volunteer.

Free filing in up to 24 states
Free filing in up to 24 states

We’ll prepare and file your returns at no cost in the states where you qualify as an SST volunteer. Archived returns give you easy access to data from prior filing periods.

Audit response
Audit response

Avoid directly participating in a sales tax audit in the states where you qualify as an SST volunteer. We’ll work with them on your behalf.

Sales tax solutions for all businesses

Even if you don’t qualify as an SST volunteer, you can still lessen the burden of sales tax compliance with affordable solutions from Avalara.

Calculate sales tax

Real-time sales tax calculations flow directly from a powerful tax engine to your shopping cart or invoicing system, all in a flash.

File sales tax

You'll barely lift a finger as Avalara tallies what you owe in the jurisdictions you designate, prepares and files your returns, and remits payments for you.

Manage tax compliance documents

Collect, store, and renew tax documents in the cloud. Our easy-to-use solution syncs with other tax software to apply exemptions at checkout.

Connect with Avalara

See how easily our solutions work with your business applications.


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