Tax & HMRC






Tax & HMRC Guides for UK Sole Traders | Sole Trader Guide




⚡ MTD for Income Tax is mandatory from April 2026 for sole traders earning £50k+. Are you ready? →

Tax & HMRC

UK sole trader tax, explained without the jargon

HMRC rules, Self Assessment, Making Tax Digital, expenses, VAT. Everything you need to stay compliant and keep more of what you earn.

⚡ April 2026 deadline

Read the full guide

Est. reading time
8 min

Self Assessment

How to Register for Self Assessment with HMRC

Step-by-step guide to registering as self-employed and getting your UTR number. Complete in 20 minutes online.

Expenses

Allowable Expenses: The Complete HMRC List for Sole Traders

Every expense category HMRC allows — home office, travel, equipment, phone, training. Reduce your tax bill legally.

Self Assessment

Payment on Account: Why Your January Bill Is Bigger Than You Think

The system that catches thousands of new sole traders off guard every January — explained clearly.

HMRC admin

What Is a UTR Number and How Do You Get One?

Your Unique Taxpayer Reference explained — what it is, how to get it, where to find it if you’ve lost it.

VAT

Do I Need to Register for VAT? The £90,000 Threshold Explained

When you must register for VAT, what it means in practice, and when voluntary registration makes sense.

Tax planning

How to Set Aside Money for Tax: The 25–30% Rule

The system every sole trader needs to avoid a January cash crisis — and how much you actually need to save.

IR35

IR35 Explained for Sole Traders: Do You Need to Worry?

IR35 technically applies to Ltd companies, not sole traders. But HMRC can still question your employment status. Here’s what to know.

Multiple income

I Have a Job AND Freelance Income: How Does Tax Work?

How HMRC taxes employment and self-employment income together — National Insurance, Self Assessment, and what to save.

Making Tax Digital

What Is Making Tax Digital for Income Tax? Full Guide

Everything you need to know about MTD ITSA — who it affects, key dates, what software you need, and the quarterly process.

Not sure if you’re MTD-ready?

Download our free 8-step MTD Readiness Checklist. Takes 5 minutes to check your position.

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