businessFree PDFUpdated: 2026-11-01

Invoice Generator

Create clean, professional PDF invoices for clients and customers. Customize seller and buyer details, add line items with tax rates and discounts, and export directly to PDF without transmitting any client data.

UK Statutory Invoicing Checklist (HMRC & Companies Act)

1. Sole Trader Invoices

Your name, trading name, UK service address, clear sequential invoice number, issue date, and itemized descriptions.

2. Limited Company Invoices

Full registered company name (as on Companies House), registered office address, and registered company number.

3. VAT-Registered Invoices

9-digit UK VAT number, tax point date, net price per line, applicable VAT rate (20%, 5%, 0%), and total VAT charged.

Currency:

INVOICE

Customizable client invoice. Changes calculate instantly.

Invoice Number

Invoice Date

Payment Due

From / Service Provider

Your Business or Personal Name

Street Address, City, Postcode

VAT / Tax Number

Billed To / Client

Client / Company Name

Client Billing Address

Client Contact Email

Line Items

2 items

£500.00

£250.00

Bank & Payment Instructions

Payment Terms & Notes

Tax / VAT Rate

Discount Percentage

Subtotal:£750.00

VAT (20%):£150.00

Total Due:£900.00

What Must Legally Appear on a UK Invoice?

Under UK business law and HMRC tax guidelines, an invoice is a legally binding request for payment. Omitting statutory details can cause corporate clients to delay payment and can trigger compliance queries during tax inspections.

Essential Mandatory Elements:

Sequential Invoice Number: Must follow a continuous, unique series (e.g. INV-2026-001) without unrecorded gaps.
Dates: The date the invoice is issued, plus the date the supply took place if different (the tax point).
Full Identity of Both Parties: Your business name and contact address, plus your customer's full name and billing address.
Clear Line Items: Specific descriptions of services rendered or goods sold, quantities, and rates.
Total Amount Due: Clear statement of the final gross balance and acceptable payment methods (sort code, account number, IBAN).

Learn the legal rules, mathematical formulas, and practical best practices behind these calculations.

Business Guide6 min read

UK Invoice Requirements: Legal Checklist for Sole Traders & Limited Companies

Sending incomplete or incorrect commercial invoices can lead to delayed client payments, disputes, and non-compliance penalties under the UK Companies Act. Here is the complete legal checklist for invoicing clients properly.

By UtilityFinch Editorial TeamRead Guide

Frequently Asked Questions

Are generated invoices saved on UtilityFinch servers?

Never. PDF compilation and data handling happen 100% inside your browser session. Once you close your tab, no invoice data remains on our servers.

Can I add multiple tax rates or discounts?

Yes, the invoice creator supports customizable line item quantities, rates, and individual VAT treatments.

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