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Small Business · UK Invoice Guide 2026

Professional invoices for
UK small businesses. Just £2.

Running a small business in the UK? Here's exactly what HMRC requires on your invoices, how VAT works, and how to create a professional PDF in 60 seconds for £2 — no accounting software, no subscription, no signup.

Updated May 2026 · Based on current HMRC requirements

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UK small business invoice requirements

While the UK doesn't mandate a single invoice format, professional invoices should follow HMRC best practices and meet VAT requirements if applicable. The key distinctions depend on your business structure and whether you are VAT registered.

Business typeVAT number required?VAT?
Sole traderOnly if VAT registeredOnly if VAT registered
Limited companyOnly if VAT registeredOnly if VAT registered
Under VAT thresholdNoNot required under £90k
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VAT at 20% applies to most trade work. Some work qualifies for reduced (5%) or zero rates — such as new builds or certain energy-saving installations. Always confirm with HMRC or your accountant before invoicing.

What must be on a UK small business invoice

Every invoice — regardless of business type

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TradieNotes handles all of this automatically. Snap your job notes or speak the job aloud — AI extracts every line item, your business details pre-fill from your last invoice, and a VAT field is included on every export.

Sample UK small business invoice

A professional invoice and quote — exactly what your customers receive as a PDF:

INVOICE
Contractor Invoice
Invoice
Prepared for Mrs A. Patel
Invoice No.
INV-260524-214
Date Issued
24 May 2026
Payment Due
07 Jun 2026
From
Pipe & Mate Plumbing
Plumbing · Manchester
VAT No. GB123456789
Invoice To
Mrs A. Patel
14 Ashford Road
Manchester, M1 2AB
DescriptionAmount
Labour
Kitchen tap replacement · 2.5 hrs£187.50
Materials
Replace kitchen mixer£145.00
Isolation valves × 2£38.00
Silicone + connectors£14.00
Payment Details
Zelle / CheckAccepted
ReferenceINV-260524-214
Terms14 days
Sub Total£384.00
VAT (20%)£76.80
Total Due
GBP£460.80
Professional Tradesperson Invoice · UK Standards
TRADIENOTES™
QUOTE · 30 DAYS
Quotation
Quote
Estimate prepared for Mr J. Wilson
Quote No.
QTE-260524-048
Date Prepared
24 May 2026
Valid Until
23 Jun 2026
From
Dave's Spark & Wire
Electrical · Leeds
VAT No. GB987654321
Quote For
Mr J. Wilson
8 Park Lane
Leeds, LS1 1AA
DescriptionAmount
Labour
Switchboard upgrade · 16 hrs£1,320.00
Materials
Switchboard MCB upgrade£520.00
RCD safety switch × 4£240.00
Cable + accessories£180.00
Acceptance
Valid 30 days. Prices include all materials and labour as itemised. To proceed, please sign and return.
Signature              Date
Sub Total£2,260.00
VAT (20%)£76.80
Estimated Total
GBP£2,260.00
Professional Tradesperson Quote · UK Standards
TRADIENOTES™

Create a small business invoice in 60 seconds

1
Describe the job or sale
Speak or snap a photo of your job notes. The AI extracts client details, line items, labour hours, and amounts automatically.
2
Review and enter your details
Check extracted line items, edit if needed. Enter your business name and VAT number once — saved for every invoice after that.
3
Pay £2, download your PDF
Preview free — pay only when happy. Professional PDF emailed to you and your customer instantly. No subscription ever.

Built for every type of UK small business

🏗️
Trades & contractors
Electricians, plumbers, builders, landscapers — snap your site notes and get an invoice in seconds.
🛍️
Retail & product sellers
List products, quantities and prices. The AI calculates totals and VAT automatically.
💆
Service businesses
Cleaners, beauticians, therapists, tutors — invoice per hour, per session or per job.
🌿
Landscaping & outdoors
Landscapers, lawn care, tree services — works from the field, no desktop needed.
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Phone-first
Create and send invoices from your phone immediately after finishing a job — no waiting until you get home.
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Details saved
Enter your business name and VAT number once. Every invoice after that is pre-filled — just add the job details.

Pricing

Preview your invoice free. Pay £2 only when you're ready to download. No monthly fee, no subscription, no signup.

Single export
£2
per invoice or quote
Starter bundle
£15
£1.50 each · 10 exports
SAVE 25%
Pro bundle
£50
£1.00 each · 50 exports
SAVE 50%

Need more? View all bundles →

Small business invoicing UK — FAQ

What must a UK small business include on an invoice?
Your business name and contact details, invoice number, invoice date, payment due date, customer name and address, itemised labour and materials, VAT line (if VAT registered), total amount due, and your preferred payment method. Including your VAT number is required if you are VAT registered.
Do UK small businesses need to charge VAT?
You must charge VAT if your taxable turnover exceeds £90,000 in any 12-month period and you are VAT registered. Standard rate is 20% on most work. Some work qualifies for reduced (5%) or zero rates. Always confirm with HMRC or your accountant.
Do UK small businesses need accounting software to invoice?
No. There is no legal requirement to use accounting software. You can create invoices using any method as long as they contain all required information and you keep records as HMRC requires. TradieNotes creates a professional PDF in 60 seconds for £2 — no software subscription needed.
How long must small businesses keep invoices in the UK?
HMRC requires keeping business records for at least 6 years. Digital records are acceptable — PDFs in cloud storage or email count. You do not need to keep paper copies.
What is the difference between a quote and an invoice?
A quote is sent before work begins and sets out the expected price — it is not a demand for payment. An invoice is sent after work is completed and is a formal request for payment. Quotes are typically valid for 30 days. TradieNotes creates both for £2 each.
Can a UK small business invoice without forming a limited company?
Yes. Sole traders can invoice using their own name without forming a limited company. Include your full name and contact details. You only need to form a limited company if required for liability protection or other business reasons. You must register as self-employed with HMRC.

More invoicing guides

📄
UK Tradesperson Invoice Guide
Complete guide — what to include, payment terms, VAT number, and how to get paid faster.
🧾
VAT on Invoices
When VAT applies, standard vs reduced rates, how to show it on your invoice.
📋
Tradesperson Quote Guide
What to include in a quote, how to price it, and converting quotes to invoices.
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How TradieNotes Works
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