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How to Invoice International Clients: Complete Guide

International invoicing requires thinking through currency, VAT, payment methods, and jurisdiction. Learn to invoice global clients correctly and get paid on time.

By FlowFund TeamJune 28, 20263 min read

International Invoicing Is Different

Invoicing a domestic client is simple. Invoicing international clients requires thinking through currency, VAT, payment methods, and legal jurisdiction.

The Currency Decision

Invoice in your base currency: You eliminate exchange rate risk. Client absorbs the currency risk.

Invoice in client currency: Client experience is simpler. You absorb the currency risk. Use this when the client currency is stable and strong (USD, EUR, GBP).

What to Include on International Invoices

Your legal name and address.
Client legal name and address.
Unique invoice number.
Itemized description of services.
Currency clearly stated.
Payment terms (Net 15 or Net 30).
Payment methods: SWIFT details, Wise, Stripe, or whatever you accept.
VAT treatment: If B2B cross-border EU, write Reverse Charge Applies.
Late payment fee: 1.5-2% per month.

Best Payment Methods for International Clients

Wise: Clients transfer to your local Wise bank details. Low cost for them, great rate for you.
Stripe: Credit card payments. 2.9% + $0.30. Works in 46 countries.
Direct bank wire: Works everywhere, expensive fees on both sides.
Crypto: USDC stablecoins for tech-savvy clients. Near-zero cost.

Follow-Up Protocol

7 days before due: Friendly reminder.
Due date: Payment confirmation or follow-up.
7 days overdue: Firm reminder, mention late fee.
14 days overdue: Phone call or escalation.

Track this automatically with FlowFund

Free to start. No bank connection. No KYC. Works in 20+ countries.

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