New: the 2026 guide to AI month-end close software

Buying guides

Best AI Sales Tax Software (2026)

Sales tax tools split into software you run yourself and managed services that file for you. Four tools in our directory publish pricing: TaxJar from $39 per month, Anrok at $100 per market per month, Numeral at $75 per filing, and Kintsugi with a free plan and filings from $75.

Self-serve sales tax software

TaxJar Tax

TaxJar is a Stripe company that automates US sales tax compliance. It calculates tax, generates reports and auto-files returns.

Pricing: Starter from $39/mo; Professional from $99/mo source

Anrok Tax

Anrok is a sales tax and VAT compliance platform built for software and digital commerce companies. It monitors nexus and automates calculation and filing across your financial stack.

Pricing: Starter $100 per market/month source

Kintsugi Tax

Kintsugi is AI sales tax software that monitors exposure and collects, files and remits sales tax, VAT and GST. It supports 100+ countries.

Pricing: Free plan; Starter from $75 per filing or registration source

Managed sales tax services

Numeral Tax

Numeral is a managed sales tax and VAT compliance service for ecommerce and SaaS companies. It handles registrations, filings and remittance.

Pricing: $75 per filing + $150 one-time registration per state source

Zamp Tax

Zamp is fully managed sales tax compliance backed by tax experts. It covers registrations, calculations, filing and remittance in the US and Canada.

Pricing: Not publicly listed

Enterprise indirect tax

Avalara Tax

Avalara automates sales tax and indirect tax compliance. It handles calculation, returns filing and exemption certificates.

Pricing: Not publicly listed

Vertex Tax

Vertex provides indirect tax technology for large businesses. It covers tax calculation, compliance and reporting, and has served businesses since 1978.

Pricing: Not publicly listed

Sovos Tax

Sovos provides global tax compliance software. It covers e-invoicing, indirect tax and regulatory reporting.

Pricing: Not publicly listed

Frequently asked questions

Which sales tax tools have a free plan?

Kintsugi publishes a free plan. Its Starter tier is from $75 per filing or registration.

What's the difference between Anrok and TaxJar?

Anrok is built for software and digital commerce companies and covers sales tax and VAT; TaxJar, a Stripe company, automates US sales tax.

Data checked October 11, 2026, from vendor websites. How we make money.

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