How to Invoice International Clients
Your first international client feels like a milestone — until the questions start. Which currency do you invoice in? Do you add VAT? How do you actually receive the money without losing 5% to fees and exchange margins? Cross-border invoicing adds exactly three complications to the normal process: currency, tax, and payment rails. Handle each one deliberately and international clients pay just as smoothly as local ones.
Choose your currency deliberately
You have two options, and the choice decides who bears the exchange-rate risk:
- Invoice in your own currency (e.g., USD). You know exactly what you'll receive. The client handles conversion on their end. Best when you have the negotiating power or the client is used to paying in USD.
- Invoice in the client's currency (e.g., EUR). Easier for the client's accounting, which can speed up payment. But if the rate moves 3% between invoicing and payment, that 3% comes out of your pocket.
Whichever you choose, state the ISO currency code on the invoice (USD, EUR, GBP, JPY) — "$1,000" is ambiguous; "USD 1,000" isn't. And if you invoice in the client's currency on long projects, consider a clause like "amounts fixed at the ECB rate on the invoice date" so everyone's working from the same number. PayMrBill supports 36 currencies with correct symbols and formatting, so the document itself is the easy part.
Taxes across borders: the basics (then verify)
Cross-border tax is the one area where you should not wing it — but the broad patterns are worth knowing:
- Services to business clients in the EU: the "reverse charge" mechanism often applies — you invoice at 0% VAT with a note like "Reverse charge — customer liable for VAT per Article 196, VAT Directive," and you generally need both parties' VAT numbers on the invoice.
- Services to US clients: the US has no federal VAT; sales tax generally doesn't apply to freelance services, though rules vary by state and service type.
- Digital products: many countries tax these based on the customer's location, with special schemes (like the EU's OSS) for reporting it.
These are starting points, not advice — the specifics depend on both countries, what you're selling, and your registration status. For your first invoice to a new country, a 30-minute check with an accountant who knows cross-border rules pays for itself many times over. This guide is educational content, not tax advice.
Getting paid: pick the rail before you invoice
Agree the payment method before you send the invoice, because the costs vary wildly:
- International bank transfer (SWIFT): reliable everywhere, but slow (3–5 business days) and expensive — $15–45 in flat fees plus a 2–4% exchange margin at many banks. Fine for $5,000+ invoices; painful for $500 ones.
- Multi-currency accounts (Wise, etc.): you get local bank details in 10+ currencies, the client pays domestically, and conversion happens near the mid-market rate. Usually the cheapest option for freelancers.
- PayPal / payment links: convenient and familiar, but the most expensive — roughly 4%+ in combined fees and currency margin on cross-border payments. Fine occasionally; punishing as a default.
Put the chosen method's exact details on the invoice — IBAN/SWIFT for transfers, or the payment link. And add 5–10 days to your usual payment terms to absorb transfer times; "Net 15" means little if the wire itself takes a week.
What goes on an international invoice
Everything on a domestic invoice, plus:
- Both parties' full addresses with countries — "Austin, TX" isn't enough; "Austin, TX, USA" is.
- Tax IDs for both sides where the regime requires them (EU VAT numbers for reverse charge, for example).
- Currency code next to every amount (USD 1,200 — not just $1,200).
- Complete payment details: IBAN, SWIFT/BIC, bank name and address for wires; the exact link for online payments.
- Tax treatment note where applicable ("0% VAT — reverse charge," with the legal reference your accountant confirms).
Language and formatting details
- Invoice in English unless the client asks otherwise — it's the lingua franca of international business accounting. You can add a translated summary, but keep the official document in one language.
- Use unambiguous dates: "03 Oct 2026" beats 03/10/2026 (March 10 or October 3?). This one detail prevents a surprising number of disputes.
- Number formats: be aware that 1.000,00 (European) and 1,000.00 (Anglo) mean different things. On international invoices, the Anglo format with a clear currency code is the safest default.
International invoicing FAQ
Who pays the transfer fees — me or the client?
Agree it upfront. The cleanest options: "all transfer fees borne by the client" or split. What's expensive is discovering a $30 fee deducted from your $800 payment after the fact.
Should I adjust my prices for international clients?
Many freelancers add 3–5% to cover conversion and transfer costs rather than itemizing them. It's simpler than a "foreign payment surcharge" line and clients never object to a single clean number.
What if the client's currency collapses mid-project?
That's what the currency clause is for — fix amounts to an agreed rate or invoice in your own currency. Don't absorb another country's monetary policy as a business expense.
Do I need different invoice numbering for international clients?
No — one sequential numbering system for all commercial invoices, per our numbering guide. Your books don't care about borders.