The TaxJar sales
tax compliance platform

Paying taxes is a critical part of managing your business, but doing it right is complicated. TaxJar does the heavy lifting for you by automating your most tedious tasks, like accurately calculating sales tax rates, classifying products, and managing multi-state filing. Our platform is built in the cloud with a modern architecture that delivers high performance, reliability, and flexibility as you scale.


TaxJar is trusted by over 20,000 high growth businesses.

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TaxJar Automates the Sales Tax Life Cycle

TaxJar simplifies sales tax compliance every step of the way. Here’s how our platform works:

Connect your e-commerce or ERP platform

Prebuilt integrations with popular platforms quickly connect TaxJar to your existing systems.

Collect accurate sales tax at checkout

Our real-time calculation engine and sales tax API provides rooftop-level, product-specific sales tax.

Determine economic nexus

Our Nexus Insights Dashboard and notifications help you stay ahead of your sales tax responsibilities by state.

Access sales tax reports

Our reporting dashboard compiles data from all your channels to give you the most up-to-date view of your transactions and tax liability.

File and remit automatically

TaxJar AutoFile prepares and submits an accurate return and remittance for each state in which you’re enrolled.

Integrate seamlessly with e-commerce & ERP platforms

Prebuilt integrations make it easy to connect TaxJar to your commerce platform within minutes. All are high quality, tested, and certified.

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Calculate accurate sales tax in real time

Our high-performance sales tax calculation engine is more than 99% accurate. Smart product classification suggests the right tax code for your products.

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Track economic nexus across states

Our Nexus Insights Dashboard, along with notifications, help you monitor your nexus exposure. When you’re close to nexus in a new state, we recommend next steps.

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Automate filing & remittance

The TaxJar AutoFile service automatically submits your returns and remittances to every state in which you’re registered, so you never miss a due date.

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Access comprehensive sales tax reports

Our platform automatically compiles orders from your e-commerce channels into one dashboard, giving you access to all your multichannel transactions, as well as state-by-state reports with city, county, and special district breakdowns.

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Get world-class support from our team

When you need help, our extensive knowledge base, technical documentation, and customer support team can help you find answers quickly.

TaxJar support center

Learn why TaxJar is rated #1 in customer satisfaction.1

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1. Source: G2's Top 9 Sales Tax Compliance Software for 2021

Sales tax resources

Our educational tools and resources can help you make better decisions for your business.

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Get ahead of compliance

Automate sales tax calculations, reporting and filing today to save time and reduce errors.