Sole Trader Invoice Template (UK)

A sole trader's invoice is simpler than a company's — no registration number, no registered office, no Companies House — but it still has rules of its own. You are the business, so your own name has to appear on the invoice, and if you trade under a business name, the rules on business names expect your name and a real address alongside it, so customers know who they are actually dealing with. Beyond that it's the standard anatomy of a UK invoice: a unique number, dates, an itemised description, and a total, with VAT appearing only if you are registered. This free sole trader invoice template puts each piece where UK customers and their bookkeepers expect it.

The generator below is pre-filled with a realistic example — a joiner trading under a business name, no VAT, payment by bank transfer — and every field is editable. Change the names, the work, and the rates, download the PDF, and the invoice is ready to send; the same template is also available as a Word or Excel download further down the page. Below the sample you'll find a field-by-field walkthrough and the questions sole traders actually ask: whether your UTR belongs on an invoice, whether clients can pay your personal account, and what changes the day you register for VAT.

What this template looks like

Invoice
INV-0341
Issue date
17 Aug 2026
Due date
24 Aug 2026
Daniel Mercer t/a Mercer Joinery
14 Abbeydale Park Rise
Sheffield S17 3PB
07700 900412
daniel@mercerjoinery.example
Sarah Ellison
9 Whirlowdale Road
Sheffield S11 9EH
DescriptionQtyRateAmount
Fitted alcove shelving — materials and fitting1£480.00£480.00
Additional finish coat — hallway unit (hours)3£38.00£114.00
Subtotal£594.00
Total£594.00
Payment within 14 days by bank transfer to Daniel Mercer. Please use the invoice number as the payment reference.

A sample invoice — every field, from the line items to the tax and notes, is yours to edit in the free generator.

Get this template

How to fill out a sole trader invoice

  1. Put your own name at the top

    As a sole trader you are the legal party to every sale, so your name — not just a brand — belongs on the invoice. Trading under a business name is fine: write it the way the sample does, "Daniel Mercer t/a Mercer Joinery", so the person and the brand appear together and payments made out to either can be reconciled.

  2. Add an address and your contact details

    Give an address where you can genuinely receive correspondence, plus a phone number and email. If you trade under a business name, the business-names rules expect your own name and an address for service of documents on business paperwork — one address line covers it. Working from home and prefer privacy? A stable postal address you control still satisfies the point.

  3. Number the invoice and date it

    Use one sequential series — INV-0341, then INV-0342 — with no gaps you can't explain and no numbers reused. The sequence is what ties your invoices to your Self Assessment records. Add the issue date and a specific due date; "payment within 14 days" beats "due on receipt", which UK clients read as a suggestion.

  4. Identify the customer properly

    A consumer's name and address is enough. For business customers, invoice the entity that hired you — a company's registered name rather than the brand on its van — and add any purchase order number or reference their accounts team gave you, because on commercial accounts an invoice without the reference sits outside the payment run.

  5. Describe the work, line by line

    One line per job or deliverable, written so the customer recognises it: the fitted shelving, the extra finish coat, the hours at the agreed rate. Materials you bought for the job can sit inside a supply-and-fit price or on their own line — separate lines make the price easier to accept and your records cleaner.

  6. Handle VAT one way or the other

    Not VAT registered — the common case — means no VAT rate, no VAT amount, and no VAT number anywhere on the invoice; set the rate to 0 and the template stays clean. Registered? Show your VAT number, charge VAT at the right rate, and show net, VAT, and gross totals separately. There is no in-between.

  7. Total it and state your payment terms

    Show the total due and the date it's due by. Name the account payments should go to — account name, sort code, account number — and note that the account name is what the customer's bank checks, so it should match the name on the invoice. Ask for the invoice number as the payment reference.

  8. Keep your copy for Self Assessment

    Every invoice you issue is part of your business records for Self Assessment, and HMRC expects those records kept for years after the filing deadline, whether anyone ever asks or not. Save the PDF with its number in the filename, note when it was paid, and your January tax return assembles itself from the folder.

Billing tips for sole trader invoices

Your UTR does not belong on the invoice

Your Unique Taxpayer Reference identifies you to HMRC, not to customers, and nothing requires it on an invoice — the same goes double for your National Insurance number, which should never appear on paperwork you hand out. Share the UTR only where it's genuinely needed: with your accountant, on your tax return, or with a contractor verifying you under CIS. On the invoice itself, your name, address, and bank details are identification enough.

A separate bank account is optional — but it earns its keep

Legally, a sole trader's money is a sole trader's money: clients can pay your personal account and no rule is broken. In practice a separate account for the business pays for itself the first January you do a tax return, because income and expenses arrive pre-sorted. Some personal-account terms also frown on business use. Whichever account you choose, put its exact name on the invoice so confirmation-of-payee checks match instead of warning your customer.

Late payers owe you interest by law

On business-to-business invoices, statutory late-payment interest and a fixed recovery fee kick in once an invoice runs past its terms — 30 days by default when nothing else is agreed. The right exists whether or not you printed it, but a line in your terms makes it easier to invoke. If a business customer is sitting on your money, the late payment interest calculator on this site works out exactly what they owe you.

Watch the VAT threshold on a rolling twelve months

VAT registration is triggered by taxable turnover over any rolling twelve-month period — not the tax year — and you must also register if you expect to cross the threshold in the next thirty days alone. HMRC publishes the current figure on GOV.UK. Check your running total when business picks up, because crossing unnoticed means charging VAT late out of your own margin. Until you are registered, no VAT appears on your invoices at all.

Invoice promptly — the paper trail is the business

Send the invoice the day the work is accepted, not at the end of the month. The due-date clock starts from the invoice, your Self Assessment records stay complete, and clients pay fastest while the finished job is still fresh. A consistent numbering sequence with no mystery gaps also makes you look like someone who has done this before — which is exactly the impression a one-person business wants its paperwork to give.

What a UK sole trader invoice must include

  • Your name, plus your trading name if you use one — e.g. "Daniel Mercer t/a Mercer Joinery"
  • An address where you can be reached, with your phone or email
  • A unique, sequential invoice number
  • The invoice date, and a clear due date for payment
  • The customer's name and address
  • A description of the goods or services, with the amount for each line
  • The total amount payable
  • Your VAT number and separate net/VAT/gross totals — only if VAT registered

No company number or registered office applies — those belong to limited companies. Your UTR and National Insurance number stay off the invoice: they identify you to HMRC, not to customers.

Frequently asked questions

What must a sole trader put on an invoice?

Your name — plus your trading name if you use one — and an address, the customer's name and address, a unique sequential invoice number, the date, a description of the goods or services with the amount for each line, and the total due. If you are VAT registered, add your VAT number and show VAT separately. That's the whole list: sole traders have no company number or registered office to include.

Do I need to put my UTR on invoices?

No. The UTR is for HMRC — your tax return, your accountant, and CIS verification if you work in construction. It is not part of a valid invoice, and neither is your National Insurance number, which shouldn't appear on anything you hand to customers. If a business customer asks you for tax details, they usually mean confirmation you're self-employed and invoicing in your own right, which the invoice itself already shows.

Can I send invoices before registering with HMRC?

Yes. Invoicing needs no licence and no registration — you can bill your first customer the day you start trading. What HMRC requires is that you register for Self Assessment in good time once self-employment income starts, by the 5 October after the end of the tax year you began in. Waiting for a UTR to arrive never blocks an invoice, because the UTR doesn't go on the invoice anyway.

Can I invoice under just my business name?

The trading name can lead, but your own name should appear too — "Daniel Mercer t/a Mercer Joinery" is the standard form. The business-names rules expect sole traders using a business name to disclose their own name and a service address on business documents, and there's a practical reason besides: customers pay the account of a real person, and paperwork that names that person reconciles cleanly.

Can clients pay into my personal bank account?

Yes — as a sole trader there is no legal separation between you and the business, so a personal account breaks no rule. Many sole traders still open a separate account because it keeps Self Assessment records sortable and avoids the business-use restrictions in some personal-account terms. Whichever account you use, the name on the invoice should match the account name, or your customer's bank will flag the payment as a mismatch.

What changes when I register for VAT?

Every invoice for taxable work becomes a VAT invoice: your VAT number appears in the supplier block, each line carries VAT at the correct rate, and net, VAT, and gross totals show separately. Prices you quoted before registering need revisiting, since 20% now sits on top. This template handles both modes — set the rate and add the number when registration happens. There's also a dedicated VAT invoice template on this site.

What if a client just doesn't pay?

Resend the invoice first — genuinely lost invoices are common. Then a short reminder naming the balance and the due date that passed. For business customers, statutory late-payment interest and a fixed recovery cost apply once the invoice is overdue, and quoting the accrued figure — the calculator on this site does the arithmetic — often unlocks payment without further escalation. For consumer clients the route is a polite chase, then a letter before action, then the small claims track.

Sole trader or limited company — does the invoice differ?

The bones are the same; the identity block differs. A sole trader shows their own name, trading name, and address. A limited company must show its registered name, company number, place of registration, and registered office, and gets paid into a company account. If you incorporate later, your invoices change the same week — there's a limited company invoice template on this site ready for that day.

Is this sole trader invoice template really free?

Yes — fill it in and download the PDF, Word, or Excel version with no signup and no watermark. When you're juggling repeat clients and month-end billing, the Paid app on iPhone stores clients, rebills regulars, and tracks paid against unpaid — but the template stands on its own.

The app goes further

Invoice from your pocket

The free tool here makes a clean one-off PDF; the Paid app on iPhone adds what it deliberately leaves out — saved clients, estimates that convert to invoices in a tap, and tracking for what's paid and what's still owed.