The InvoiceAdept blog.
Practical guides on Making Tax Digital, invoicing, and running a successful trades business, written in plain English, not accountant-speak.
Proforma invoice vs tax invoice: what UK tradespeople need to know
Understand the difference between proforma invoices and tax invoices in the UK. Learn when to use each, their legal status, and how they affect your VAT obligations as a self-employed tradesperson.
How Long to Keep Invoices in the UK: HMRC Rules Explained
Discover HMRC's rules on invoice retention for UK businesses, including specific durations and compliance tips.
Get paid faster as a UK tradesperson (2026): same-day invoices, deposits and clear terms
Practical UK trades guide to get paid faster: same-day invoices, deposits, stages, card vs BACS, 14-day terms and B2B late-pay rights.
How to deal with clients who will not pay in the UK
Step-by-step guide to recovering unpaid invoices in the UK, from polite reminders through to small claims court, with costs and timelines.
When to register for VAT UK (2026): £90,000 threshold for trades
When to register for VAT UK (2026): £90,000 threshold for trades, historic vs future tests, voluntary registration, deregistration and MTD.
How to claim mileage as a tradesperson in the UK
HMRC lets you claim 45p per mile for the first 10,000 miles and 25p after that. Here is how to track and claim mileage correctly as a self-employed tradesperson.
National Insurance for self-employed tradespeople in 2026
Class 2 NI was scrapped in April 2024. Here is what self-employed tradespeople pay in 2025/26, how to calculate it, and what counts towards your state pension.
How to write an invoice as a sole trader UK (2026)
2026 how-to for UK sole traders writing invoices: GOV.UK legal fields, sequential numbering, VAT at £90,000, CIS when you subcontract in construction, clear payment terms, a worked example and common mistakes. No fake late-pay stats. InvoiceAdept stores records — it does not file MTD, VAT or CIS300 to HMRC.
Invoice Payment Terms: Understanding UK Law for Tradespeople
Navigate UK invoice payment terms with confidence and ensure timely payments for your trades business.
Self-employed invoice template UK (2026): free fields, VAT and examples
Free self-employed invoice template UK for sole traders — fields, CIS when a contractor pays, VAT £90k, worked example and FAQ.
Invoicing for Builders: How to Get Paid Faster in 2026
A practical guide to invoicing for UK builders — from setting payment terms to chasing late payments and staying MTD-compliant.
Invoicing for roofers UK (2026): when to bill, deposits, weather
Process guide for UK roofers: when to invoice, deposits before tiles, scaffold and weather delays, guarantees, CIS, VAT at £90,000, and MTD records versus filing. Links to the long roofer template rather than repeating it.
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