
This means both your company’s information and the details of the company you’re invoicing: You could also use letters in front of a number, which might indicate a specific client.

You can use a sequence of numbers that gradually increases. This is for your records, as you should have a reference for all the invoices you’ve raised to make sure you don’t create duplicates. Your invoice needs to have a unique identification number. The guidelines on the gov.uk website also state “you must clearly display the word ‘invoice’ on the document.” Just adding the word invoice at the top of your document might make it more likely you’ll be paid on time, as it makes your request for payment stand out from other documents your client might get. Make sure your customers know it’s an invoice they’re receiving. You should use professional fonts and styling that match your brand, then add your logo and colours if possible.

There may even be sample templates on your word processor, depending on the program you’re using.

You can do this yourself using a word processor or Excel, but you could also use one of our free invoice templates above. The first step is to put your invoice together.
