UK Invoice Template
If you operate a business in the United Kingdom, you need an invoice format that reflects British legal requirements, GBP currency conventions, and standard payment practices. Eonebill's UK Invoice Template gives you a professional, ready-to-use document that covers every mandatory field under UK tax law. Whether you run a limited company in London, a consultancy in Manchester, or a freelance operation from your flat in Edinburgh, this template adapts to your exact needs. No signup. No monthly fees. Just download and start invoicing.
What Makes a UK Invoice Different from Other Invoices
The United Kingdom has a distinct set of invoicing rules that derive from both domestic law and retained EU VAT directives. The most significant difference is the requirement for a VAT registration number field, which applies to any business registered for Value Added Tax with HM Revenue & Customs. If your annual turnover exceeds £90,000, VAT registration becomes mandatory, and your invoices must prominently display your VAT number alongside itemised tax calculations.
Beyond VAT, UK invoices must show your company registration number if you operate as a limited company, a piece of information that is conspicuously absent from invoices in many other jurisdictions. Sole traders do not have a company number, but they must provide their name and home address. This distinction matters because a UK invoice that omits these details can be challenged in a dispute or rejected during a tax audit.
Payment terms in the UK conventionally follow Net30, meaning payment is due within 30 days of the invoice date. The Late Payment of Commercial Debts Regulations give creditors the statutory right to claim interest on overdue amounts, which most UK businesses specify on their invoices as a deterrent. UK invoices also frequently include bank sort codes and account numbers for BACS transfers, which remain the dominant payment method for business-to-business transactions in Britain. For international clients, SWIFT and IBAN details are added alongside GBP totals.
Key Requirements for UK Invoices
Legal Mandatory Fields
Under UK law, a valid tax invoice must contain: your company or trading name, principal address, VAT registration number (if applicable), the customer's name and address, an invoice number that is unique and sequential, the date of issue and the date of supply, a clear description of each item or service, the quantity and unit price of each item, the net amount per line and in total, the VAT rate applied (standard rate 20%, reduced rate 5%, or zero rate 0%), the total VAT charged, and the gross total payable. A flat invoice with just a single sum and no line-item breakdown is not a valid VAT invoice for reclaiming input tax.
Tax Identification Numbers
UK businesses use two main identifiers. The VAT registration number is a nine-digit code assigned by HMRC upon VAT registration, formatted as GB followed by nine digits (e.g., GB 123 4567 89). This must appear on every VAT invoice you issue. If you operate as a sole trader and have not crossed the VAT threshold, you are not required to display a VAT number, though it lends professionalism. The Companies House registration number is mandatory for limited companies and appears as an eight-digit number in Companies House records.
Currency and Number Formatting
All UK domestic invoices must be issued in Pounds Sterling, using the £ symbol. Number formatting follows British conventions: thousands are separated by commas (e.g., £1,250.00). Decimal places are indicated with a full stop. It is standard practice to show two decimal places for monetary amounts. When dealing with international clients who prefer EUR or USD, these currencies should be billed separately with explicit currency notation, never mixed with GBP on the same invoice.
Sample UK Invoice with Localised Data
Imagine Brightfield Consulting Ltd, a digital marketing agency based in Bristol, invoices Clearshot Media Group in London for a three-month retainer engagement. The invoice opens with Brightfield's header: their registered company name Brightfield Consulting Ltd, their address at 14 Stokes Croft, Bristol BS1 3PR, their Companies House number 08914237, and their VAT registration GB 123 4567 89. The right side carries Clearshot Media Group, 72 Westminster Bridge Road, London SE1 7EH. Invoice number INV-BC-2026-041 carries the date 14 April 2026, with a supply date of 1 April 2026. The line items list: "March Digital Marketing Retainer — Strategy & Execution" at £4,000.00, "Creative Asset Production (12 assets)" at £1,200.00, and "Q1 Analytics Report & Consultation" at £800.00. Subtotal is £6,000.00. VAT at 20% on £6,000.00 adds £1,200.00. The total amount due is £7,200.00, payable via BACS to sort code 09-01-41, account number 12345678, referencing INV-BC-2026-041. Payment terms are Net30, with statutory interest of 8% per annum applied to late payments under the Late Payment of Commercial Debts Regulations.
How to Create a UK Invoice with Eonebill
Creating a compliant UK invoice takes less than five minutes. Select the UK Invoice Template from Eonebill's template library. Fill in your company details including your registered name, address, and VAT number if registered. Add your client's billing information, making sure to use their legal company name and address as registered. Enter your line items with descriptions specific enough to satisfy VAT record-keeping requirements. Choose the applicable VAT rate: 20% for standard-rated supplies, 5% for reduced-rate items like home energy, or 0% for exempt items. The template automatically calculates the VAT amount and gross total. Set your payment terms to Net30 and include your BACS details or PayPal information. Download your invoice as a PDF and send it directly to your client, or use Eonebill's built-in sending tools to deliver it by email.
Related Templates
- Freelance Invoice Template — Ideal for UK freelancers and contractors working with international clients
- Consulting Invoice Template — Professional billing for UK-based consultants and advisors
- Net30 Invoice Template — Standard payment terms format for UK service businesses
- VAT Invoice Template — Full VAT-compliant invoice for registered UK businesses