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Invoicing guides

Plain-English guides to making invoices, charging GST and VAT, and getting paid. Written for freelancers and small businesses.

  1. 01How to make an invoice, step by stepWhat goes on an invoice, how to number it, what payment terms to use, and how to send it so you get paid on time. Whether you're a freelancer or a small business.6 min read
  2. 02GST invoice format: what a tax invoice must includeThe fields a GST tax invoice needs, how to number it, when to show CGST and SGST or IGST, and when you need a bill of supply instead.7 min read
  3. 03What a UK VAT invoice must includeThe details HMRC expects on a full VAT invoice, when a simplified invoice is enough, and what to put on an invoice if you are not VAT-registered.5 min read
  4. 04Proforma invoice vs tax invoiceA proforma invoice is a promise of a price. A tax invoice is the real bill. Here's when to use each, and how to go from one to the other.4 min read
  5. 05How to add a UPI QR code to an invoiceA QR code on the invoice lets your customer pay by scanning it in any UPI app, with your UPI ID and the exact amount already filled in.4 min read
  6. 06Word or Excel invoice template, or an invoice generator?Templates are familiar and free. Generators do the maths and remember your customers. Here is how they compare.4 min read