Anrok vs Sphere
Anrok
Software, AI and ecommerce companies; Starter for founders and early teams, Custom for teams in 10+ markets or at enterprise scale
Sphere
Companies selling across borders, typically US$10m+ ARR with multiple entities; also billing and commerce platforms and accounting and tax advisory firms
Anrok and Sphere both automate sales tax, VAT and GST for companies selling across borders, from monitoring and registration to filing and remittance, and both start at US$100 per market or region a month.
Anrok, which has raised US$100m+, serves software, AI and ecommerce companies such as Notion and Webflow; Sphere, backed by Andreessen Horowitz, serves companies typically with US$10m+ in annual recurring revenue, such as ElevenLabs and Replit.
Anrok vs Sphere: side by side
“Not published” means the vendor does not state it.
| Anrok | Sphere | |
|---|---|---|
| What it does | Sales tax and VAT/GST compliance from exposure monitoring to registration, calculation, filing, remittance and reconciliation, plus e-invoicing and exemption certificates, with AI tax intelligence (Anrok Atlas) | AI-native cross-border indirect tax compliance: sales tax, VAT and GST monitoring, registration, calculation, filing and remittance across 130+ jurisdictions |
| Best for | Software, AI and ecommerce companies; Starter for founders and early teams, Custom for teams in 10+ markets or at enterprise scale | Companies selling across borders, typically US$10m+ ARR with multiple entities; also billing and commerce platforms and accounting and tax advisory firms |
| Founded and HQ | Not published | Not published |
| Ownership and funding | US$100m+ raised; CEO Brad Silicani | Private; Series A US$21m led by Andreessen Horowitz with Y Combinator and Felicis (Nov 2025); 20VC also listed as a backer |
| Customers or users | Thousands of companies, including Notion, Webflow and Synthesia; US$100bn+ in transactions processed | Named customers include ElevenLabs, Replit, Lovable, Deel, Ramp, Framer, Cognition, Runway and Fyxer |
| Pricing | Starter US$100 per market a month; Custom priced on transaction volume | Starter US$100 per region per month (under 10 regions, up to 50,000 transactions); Growth (10+ regions) custom; per-transaction fee above 50,000 |
| Deployment and markets | US sales tax in 11,000+ jurisdictions; VAT and GST in 150+ countries | Cloud platform; 130+ jurisdictions worldwide (US states, Canada, EU, UK, Australia, India and more), with direct connections to tax authorities |
Main differences
Anrok covers US sales tax in 11,000+ jurisdictions and VAT and GST in 150+ countries; Sphere covers 130+ jurisdictions, with direct connections to tax authorities.
Anrok Starter costs US$100 per market a month and Custom is priced on transaction volume; Sphere Starter costs US$100 per region a month for under 10 regions and up to 50,000 transactions, and Growth is custom.
Anrok serves software, AI and ecommerce companies, from founders to enterprise teams; Sphere typically serves companies with US$10m+ ARR and multiple entities, plus billing platforms and accounting firms.
Anrok has raised US$100m+; Sphere raised a US$21m Series A in November 2025 led by Andreessen Horowitz.
Which to choose
Choose Anrok if
- You want e-invoicing and exemption certificates alongside sales tax and VAT, or coverage in 150+ countries
Choose Sphere if
- You want filings sent through direct connections to tax authorities and a local representative where a country requires one
Compare further
Common questions
What is the difference between Anrok and Sphere?+
Anrok covers sales tax and VAT/GST compliance from exposure monitoring to registration, calculation, filing, remittance and reconciliation, plus e-invoicing and exemption certificates, with AI tax intelligence called Anrok Atlas. Sphere covers cross-border sales tax, VAT and GST monitoring, registration, calculation, filing and remittance across 130+ jurisdictions, filing through direct connections to tax authorities.
How much do Anrok and Sphere cost?+
Anrok Starter costs US$100 per market a month, with each US state where a company is registered counting as one market; Custom is priced on transaction volume. Sphere Starter costs US$100 per region a month for under 10 regions and up to 50,000 transactions, with a per-transaction fee above that; Growth, for 10+ regions, is custom.
How do Anrok and Sphere count markets and regions?+
At Anrok, each US state where a company is registered counts as one market. At Sphere, a region is a US state, the EU through OSS counts as one, Canada counts as five, and other countries typically count as one each.
Part of Accountio’s accounting technology coverage.
