Best Sales Tax & VAT Software for SaaS (2026)
The best sales tax and VAT software for SaaS in 2026: GoodVat, Anrok, Stripe Tax, Paddle, Kintsugi, Sphere and Avalara compared on price and filing.
SaaS tax is unusual in two ways. In the US, whether SaaS is taxable depends on the state: around 20 states tax it, each differently. Outside the US, VAT and GST on digital services usually apply from your first sale to a consumer, with no threshold for foreign sellers. A tool built for physical ecommerce gets both wrong.
We compared seven options SaaS founders search for, from tax software to merchants of record.
Disclosure: GoodVat publishes this list. Competitor details come from vendor pricing pages and documentation, checked in October 2026.
The short answer: the best sales tax and VAT software for SaaS in 2026 is
- GoodVat: best overall. SaaS rules in every state and 140+ countries, with filing. Free up to 50 transactions/month, then from $20/month.
- Anrok: best for B2B SaaS with a finance team. $100 per market per month.
- Stripe Tax: best for early-stage SaaS on Stripe Billing. 0.5% of volume.
- Paddle: best merchant of record for very small SaaS. 5% + 50¢ per transaction.
- Kintsugi: best pay-per-filing option for US SaaS. $75 per filing.
- Sphere: per-region pricing with filing included. $100 per region per month.
- Avalara: best for enterprise SaaS with an ERP. From $799 per state per year.
SaaS tax software compared
| Software | Model | US SaaS taxability | VAT & GST | Registration & filing | Price |
|---|---|---|---|---|---|
| GoodVat | Tax software | Yes | Yes, 140+ countries | Yes, via local partners | Free, then $20–$100/mo |
| Anrok | Tax software | Yes | Yes | Included | $100/market/mo |
| Stripe Tax | Tax software (Stripe only) | Yes | Yes | Tax Complete only, $90–$1,500/mo | 0.5% of volume |
| Paddle | Merchant of record | Paddle’s problem | Paddle’s problem | Paddle files as seller | 5% + 50¢ per transaction |
| Kintsugi | Tax software | Yes | Custom plans | $75 per action | Free monitoring |
| Sphere | Tax software | Yes | Yes | Included | $100/region/mo |
| Avalara | Tax software | Yes | Separate products | Yes | $799/state/yr, 3-state min |
What each one costs a SaaS registered in 10 markets
Take a SaaS company doing 1,000 invoices a month, registered in the EU (OSS), the UK, Australia, Canada and six US states: ten markets.
| Software | Approximate yearly cost |
|---|---|
| GoodVat | $600 software (Growth plan) + partner filing quoted per country |
| Anrok | 10 markets × $100 × 12 = $12,000 |
| Sphere | 10 regions × $100 × 12 = $12,000 |
| Stripe Tax Complete | $5,160–$18,000 on an annual contract, plus fees for filings above the plan’s allowance |
| Paddle | 5% + 50¢ on every sale: about $60,000 at $1M a year |
1. GoodVat: best overall for SaaS
- Best for: B2B and B2C SaaS selling in the US and abroad
- Coverage: 140+ countries and 14,000+ US jurisdictions
- Integrations: Stripe, PayPal, Braintree, GoCardless, QuickBooks, Xero, NetSuite, and a REST API for in-house billing
- Pricing: Free up to 50 transactions/month; $20 (250), $50 (1,000), $100 (2,500)
- Limitation: Registration and filing are quoted per country on top of the plan; setup is sales-led, on a call with the team
GoodVat for SaaS applies each state’s SaaS rules, validates EU and UK VAT numbers so B2B invoices are reverse-charged, and charges VAT or GST on consumer sales wherever the customer is. It tracks every threshold, and local partners register you (OSS, UK, Australia, Canada and US states) and file.
Pricing is flat. Anrok and Sphere charge per market, so every new country adds $1,200 a year. GoodVat’s plan covers unlimited jurisdictions.
2. Anrok: best for B2B SaaS with a finance team
- Pricing: Starter $100 per market per month; custom plans by volume
- Limitation: Cost grows with every state and country you register in
Anrok is built for SaaS and integrates with Stripe, Chargebee and NetSuite. It’s strong for venture-backed B2B companies; per-market pricing makes it expensive for global B2C. See GoodVat vs Anrok.
3. Stripe Tax: best for early-stage SaaS on Stripe
- Pricing: Basic 0.5% of volume (no filing); Tax Complete $90, $430, $1,000 or $1,500/month on annual contracts
- Limitation: Only sees Stripe; filing needs a Complete contract
4. Paddle: best merchant of record for small SaaS
- Pricing: 5% + 50¢ per transaction
- Limitation: Most expensive option once revenue grows
Paddle sells your software on your behalf and handles all tax. Lemon Squeezy works the same way at the same headline price, but Stripe is moving it toward Stripe Managed Payments. For the full maths, read Merchant of Record vs Stripe + GoodVat.
5. Kintsugi: best pay-per-filing option for US SaaS
- Pricing: Free monitoring; $75 per filing or registration; custom plans for VAT
- Limitation: International filing only on custom plans
6. Sphere: per-region pricing
- Pricing: $100 per region per month on Starter (under 10 regions), registration and filing included
- Limitation: Same per-region scaling as Anrok
7. Avalara: best for enterprise SaaS
- Pricing: Avalara Select from $799 per state per year; VAT quoted separately
- Limitation: Long onboarding; per-state pricing
See GoodVat vs Avalara.
How to choose
| If you are… | Pick |
|---|---|
| A SaaS selling in the US and abroad | GoodVat |
| A B2C SaaS or app with customers in many countries | GoodVat |
| Moving off Paddle or Lemon Squeezy | GoodVat |
| A B2B SaaS with a finance team, few markets | Anrok |
| Pre-revenue on Stripe, filing yourself | Stripe Tax |
| Under $100k ARR, want zero tax admin | Paddle |
| An enterprise on NetSuite or SAP | Avalara |
FAQ
What is the best sales tax software for SaaS companies?
GoodVat is the best sales tax and VAT software for most SaaS companies in 2026. It applies SaaS taxability rules in every US state and digital services VAT and GST in 140+ countries, connects to Stripe and other billing systems, and handles registration and filing through local partners. It is free up to 50 transactions a month, then from $20/month.
Is SaaS subject to sales tax?
In some US states. Around 20 states tax SaaS, each with its own rules; Texas, for example, taxes 80% of the price. Outside the US, SaaS sold to consumers owes VAT or GST in most countries, often from the first sale for foreign sellers.
How much does Anrok cost?
Anrok’s Starter plan costs $100 per market per month, where a market is a US state or a country. A SaaS company registered in ten markets pays about $12,000 a year. Larger plans are quoted on volume.
Should a SaaS company use a merchant of record or tax software?
A merchant of record such as Paddle or Lemon Squeezy costs 5% + 50¢ per transaction and takes over your tax registrations. It is simplest below about $100,000 a year in revenue. Above that, Stripe plus tax software such as GoodVat usually costs less, because the software is a flat fee rather than a percentage.
Does Stripe Tax file returns for SaaS companies?
Only on Stripe Tax Complete, which costs $90 to $1,500 a month on an annual contract with a set number of filings and registrations. Stripe Tax Basic, at 0.5% of volume, calculates and collects tax but does not file.