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Understand when and how to register for VAT/GST in key markets. Essential for startups selling internationally or to EU customers.
Do You Need VAT/GST Registration?
General Registration Process
Check threshold
Gather documents
Submit application
Wait for approval
Start charging VAT
Tip: For EU sales, consider the OSS (One-Stop Shop) scheme — register once in your home country and report VAT for all EU sales through a single return.
Country-by-Country Guide
Click a country to expand details.
🇬🇧
United Kingdom VAT — Standard rate: 20%
Registration Threshold
£90,000 (mandatory) — voluntary registration available below
Non-resident
No threshold — must register from first UK sale
Digital Services
No threshold for non-UK businesses selling digital services to UK consumers
Filing Frequency
Quarterly (MTD - Making Tax Digital)
Timeline
30 days after exceeding threshold; registration takes 4-8 weeks
Portal
HMRC Online Services
🇪🇺
European Union (OSS) VAT — Rates: 17-27% depending on country
B2C Digital (OSS)
€10,000 threshold for cross-border EU digital sales. Above this, charge destination-country VAT via OSS.
B2B Sales
Reverse charge applies — no VAT registration needed if customer provides valid VAT number.
Non-EU Sellers
Must register for OSS (non-Union scheme) in one EU country for B2C digital services — no threshold.
Filing
Quarterly via OSS portal
VIES Validation
Always verify customer VAT numbers via VIES before applying reverse charge.
Handle all VAT/sales tax as MoR — you receive net revenue
5-8% of revenue
Taxamo / Fonoa
EU VAT, global
Real-time tax determination, invoicing compliance
Custom pricing
Merchant of Record (MoR): Services like Paddle handle all tax compliance for you. They are the legal seller — you just build the product. Best for SaaS startups wanting zero tax admin.