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EU VAT OSS Calculator
by OnwireFlow
Automated EU VAT OSS bookkeeping and calculation for digital product sellers and SaaS.
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See it in action
You say
Processed 142 transactions (Q3 · home country Germany). Total digital sales: €12,450.00 Excluded from OSS (recorded for bookkeeping): German domestic, non-EU, B2B reverse-charge, and platform-remitted sales (Etsy / Gumroad / Patreon). Cross-border EU B2C you report via OSS: €11,500.00 OSS VAT due: €2,105.50 — by country of consumption: France (20%): €612.30 Italy (22%): €498.20 Spain (21%): €447.60 Netherlands (21%): €330.80 Austria (20%): €216.60 €10,000 threshold: exceeded — OSS applies. Filing: Q3 (Jul–Sep) → due 31 October.
Your agent does
I've processed 142 transactions. Total Digital Sales: €12,450.00 OSS VAT Due: €2,105.50
Breakdown:
- France (20%): €840.00
- Italy (22%): €915.50
- Spain (21%): €350.00
You have exceeded the €10,000 threshold. Deadline for Q3 filing: October 31st. Workbook updated.
What you get
About this skill
Paste your monthly sales from Etsy, Shopify, Gumroad, Stripe and more, and get your EU VAT worked out by country of consumption, your OSS return totals, and your €10,000 pan-EU threshold tracked — automatically. Built-in 2026 standard VAT rates for all 27 EU member states (editable). It knows which platforms already remit the VAT (Etsy digital, Gumroad, Patreon, Amazon KDP…) and excludes them, while correctly including the ones where you are responsible (your own site, Shopify, Stripe, VGen) — because "collects" doesn't mean "remits." Includes a formula-driven workbook, a one-page quick-start, and a monthly AI prompt that fills it all in. Calculation and record-keeping tool — not tax advice; verify rates and your OSS registration before filing.
How to install
Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.
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Creator
I'm a bookkeeping and tax practitioner who turns everyday finance headaches into simple, reliable AI skills. My tools help freelancers, sole traders and small companies anywhere in the world invoice correctly, sort their expenses, and stay on top of cash flow — country-aware, formula-driven, and built to actually work. More finance and compliance skills on the way.
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