Practical invoice guides for running a small business

Clear, original guides that explain the admin behind a good invoice: what to include, how to number invoices, how VAT changes the document, how to set payment terms and what to do when payment is late.

Built to work with the InvoiceLix generator

These guides explain the decisions behind the fields in the invoice builder. They are written for freelancers, sole traders, consultants, agencies and small businesses. Where UK tax or statutory rules matter, we point you to current official guidance rather than pretending an invoice template can replace professional advice.

Practical guide

How to Create an Invoice: A Practical UK Guide

A step-by-step guide to creating a clear professional invoice, from invoice numbers and client details to payment terms, VAT and PDF delivery.

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Practical guide

What Should an Invoice Include in the UK?

A plain-English checklist of the information a UK business should put on an invoice, including extra points for sole traders, limited companies and VAT invoices.

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Practical guide

How to Invoice as a Sole Trader in the UK

A practical sole trader invoicing guide covering names, addresses, invoice numbers, payment terms, VAT and a simple repeatable invoice workflow.

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Practical guide

VAT Invoices in the UK: What to Include and Check

Understand the practical difference between ordinary and VAT invoices, the information to record, common VAT invoice mistakes and when to verify HMRC guidance.

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Practical guide

Invoice Numbering: Simple Systems That Scale

Choose an invoice numbering system that stays unique, clear and easy to reconcile as your freelance or small business workload grows.

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Practical guide

Invoice Payment Terms: How to Make Due Dates Clear

Learn how to write practical invoice payment terms, choose due dates, handle deposits and reduce confusion for clients without overloading the invoice.

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Practical guide

What to Do When a Business Invoice Is Overdue

A calm step-by-step process for following up overdue business invoices, checking disputes, documenting reminders and understanding UK late-payment options.

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Practical guide

Invoice vs Receipt: What Is the Difference?

Understand the difference between an invoice and a receipt, when each document is used and why businesses should not treat them as interchangeable.

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Practical guide

Freelance Invoices: A Better Workflow for Getting Paid

Build a simple freelance invoicing workflow with clear scopes, milestones, invoice descriptions, payment references and reusable client details.

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