How to Invoice an International Client

How do you invoice an international client?

To invoice an international client, create an invoice that clearly identifies your business and the overseas customer, describes the goods or services provided, states the agreed currency, and shows the final amount due.

The invoice should give the client enough information to understand what they are paying for and how payment should be made.

A typical international client invoice should include:

• A unique invoice number
• Invoice issue date
• Payment due date
• Your business name and contact details
• The client's name and business details
• Descriptions of goods or services
• Quantities, hours, or rates
• The agreed invoice currency
• Tax information where applicable
• Payment terms
• Payment instructions
• The final balance due

Add your business and client details

Start the invoice by entering accurate information for both parties. Your section should normally contain your name or business name, address, email address, phone number where appropriate, and any other business information required for the transaction.

The client section should identify the person or company responsible for paying the invoice. For an international customer, make sure the full address includes the correct country so there is no confusion about which business or branch is being billed.

Larger international companies may also provide a purchase order number, department name, billing reference, or specific billing address that should be included on the invoice.

Describe the goods or services clearly

Each invoice item should explain what was supplied to the international client. Avoid vague descriptions where a more specific description would make the invoice easier to understand.

For services, you could include the type of work completed, number of hours or days worked, project stage, and agreed rate. For products, you could include the product name, quantity, unit price, and other useful identifying information.

Clear descriptions also make it easier for the customer to compare the invoice against a contract, quotation, purchase order, or previous agreement.

Choose the currency for the invoice

Before creating an overseas invoice, you and the customer should ideally agree which currency will be used. You might invoice using your own local currency, the client's local currency, or another currency agreed between both parties.

For example, a UK freelancer working with a client in the United States could agree to invoice in GBP or USD.

Once a currency has been chosen, use it consistently throughout the invoice. Clearly identifying the currency helps prevent disagreements about how much the client is expected to pay.

Make the invoice currency clear

For international invoices, using a currency code can make the amount easier to understand. Codes such as GBP, USD, EUR, CAD, and AUD clearly identify the currency being requested.

This is particularly useful for currencies that share the same symbol. An amount shown simply as $500 could refer to several different currencies, while USD 500 or CAD 500 removes that ambiguity.

Make sure the subtotal, taxes, discounts, and final balance all use the same agreed currency unless there is a specific reason to show a conversion.

Include clear international payment terms

Your invoice should state when the international client is expected to pay. Depending on your agreement, you might require payment within 7, 14, or 30 days, or use another payment deadline agreed before the work began.

You should also provide the payment information the client needs. International payments can sometimes involve processing times, currency conversion, or transaction fees, so agreeing payment arrangements beforehand can reduce confusion.

If the customer needs to include an invoice number or payment reference when sending the money, state this clearly on the invoice.

Check whether taxes apply

Tax rules for international invoices can vary depending on where you and your customer are located, what you are selling, and whether the transaction involves goods or services.

VAT, GST, sales tax, and other tax requirements may therefore differ from those that apply to your domestic customers.

Do not automatically apply your normal domestic tax treatment to an overseas customer without checking the rules that apply to the transaction. If you are unsure, check the relevant tax authority guidance or speak with a qualified accountant.

Review the international invoice before sending it

Before sending the invoice, check the customer's details, invoice number, dates, currency, item descriptions, quantities, rates, taxes, and final balance.

Currency is particularly important because an incorrect currency can significantly change the amount the customer believes they owe.

You should also confirm that the payment instructions are accurate and that the customer has everything required to process an international payment.

Send the invoice as a PDF

PDF is a useful format for international invoices because it keeps the invoice layout consistent when the document is opened on different devices.

Once the invoice has been checked, you can download it as a PDF and send it to the customer by email or through their preferred billing system.

Keep your own copy of the invoice so you have a record of the amount charged, currency used, payment deadline, and transaction details.

Create an international client invoice online

InvoiceAtlas can be used to create an invoice for an overseas customer directly from your browser. Enter your business and customer details, add the goods or services supplied, select the appropriate currency, and complete the invoice totals and payment terms.

Once everything has been checked, you can download the completed invoice as a professional PDF for free.

Using the same invoice structure for domestic and international customers can also make your records easier to organise as your business begins working with clients in more countries.