Freelancing in the UK and need to invoice a client? Whether you're a designer, writer, photographer, consultant or developer, here's exactly what goes on your invoice, how VAT works for the self-employed, and how to create a professional PDF instantly for £1 — no spreadsheet, no subscription.
Updated May 2026 · Based on current HMRC guidance
Most UK freelancers never need to register for VAT. The registration threshold is £90,000 in VAT-taxable turnover in any rolling 12-month period (not a tax year) — that's your combined income from every client, not per client.
| Annual freelance turnover | VAT required? | Invoice type |
|---|---|---|
| Under £90,000 | No | Standard invoice — no VAT |
| Over £90,000 | Yes — must register | VAT Invoice — 20% standard rate |
| Voluntary registration | Optional below £90k | VAT Invoice — 20% standard rate |
Here's what a clean, HMRC-friendly freelance invoice looks like for a non-VAT-registered designer:
| Description | Amount |
|---|---|
| Brand identity design — logo + style guide | £950.00 |
| Social media template pack × 10 | £350.00 |
| Revisions — 2 rounds | £150.00 |
No VAT number, no "VAT Invoice" label — correct for freelancers under the £90,000 threshold.
Every invoice needs a unique reference number. HMRC expects this for your Self Assessment records. Here are the most common formats:
TradieNotes generates a unique reference number automatically for every invoice — one less thing to track.
The most common UK freelance payment terms are 14 days or 30 days from invoice date. If you don't agree terms up front with a business client, the statutory default under the Late Payment of Commercial Debts (Interest) Act 1998 is 30 days — and you're entitled to charge statutory interest on late payments.
Always include your sort code and account number directly on the invoice — making it easy to pay means getting paid faster. You can also add a note about statutory interest on overdue invoices, though this is optional for most freelance work.
Preview your invoice free. Pay £1 only when you're ready to download. No monthly fee, no subscription.
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As a sole trader in the UK you can start invoicing immediately — no Companies House registration, no limited company, no accountant required to get going. You invoice under your own name or a trading name, and your Unique Taxpayer Reference (UTR) is what you'll need for Self Assessment once tax season comes round.
Here's exactly how to invoice as a sole trader in the UK:
Most new freelancers and self-employed contractors in the UK are not VAT registered — and that's perfectly normal under HMRC rules. A non-VAT invoice is simpler than a VAT invoice, but it still has requirements.
For self-employed invoicing in the UK when you're not registered for VAT:
| Mistake | Why it's a problem | What to do instead |
|---|---|---|
| Writing "VAT Invoice" | Implies VAT registration you don't have | Just write "Invoice" |
| Showing VAT at £0 | Confusing and technically incorrect | Omit the VAT line entirely |
| Adding a VAT number | You don't have one if not registered | Leave it off |
| Charging VAT anyway | Illegal — you can't collect VAT you're not registered for | Register first, then charge |
You must register for VAT when your total VAT-taxable turnover from all sources exceeds £90,000 in any rolling 12-month period. This is not per client — it's combined. A freelance writer earning £55,000 from one client and £40,000 from another has crossed the £90,000 threshold and must register.
Voluntary registration is available below £90,000 and can be worthwhile if most of your clients are VAT-registered businesses — they can reclaim the VAT, so it doesn't actually cost them more to work with you.