Making Tax Digital for Income Tax: The Software Sole Traders Need

From 6 April 2026, the way a lot of UK sole traders deal with HMRC changes for good. If your qualifying income is over £50,000, the once-a-year Self Assessment return is on its way out. In its place: digital records kept in software, and updates sent to HMRC five times a year. The rule is called Making Tax Digital for Income Tax.

It sounds like more admin, and in the first year it is a bit more. The software you choose decides how much. A tool built for a sole trader turns the quarterly update into a ten-minute job. The wrong one turns it into four stressful jobs a year. And there is a second reason to choose carefully now: QuickBooks Self-Employed, the app many sole traders have used since 2015, is being retired at the same time. If you are on it, you are picking new software either way.

1.What Making Tax Digital for Income Tax Actually Is

Making Tax Digital for Income Tax (often shortened to MTD for Income Tax) is HMRC's rule that you keep your business records digitally and report through software HMRC recognises. It is the same idea as Making Tax Digital for VAT, which VAT-registered businesses have followed since April 2022, now extended to income tax.

It replaces the single Self Assessment return with a steadier rhythm: a short update every three months, then one final declaration after the tax year ends to confirm the figures and add any other income. The rollout comes in three waves, set by your qualifying income.

HMRC decides which wave you are in from your most recent return. For the April 2026 start, that is your 2024 to 2025 Self Assessment. Cross £50,000 of qualifying income on that return and you are in from day one of the 2026 tax year.

2.What It Forces You to Do

At its core, MTD for Income Tax asks three things of you.

• Keep digital records. Every bit of income and each expense goes into software as it happens, not a shoebox of receipts and a spreadsheet you fill in the night before the deadline. The record has to be digital from the start.
• Send a quarterly update. Every three months you send HMRC a running total of your income and expenses. The first quarter runs 6 April to 5 July 2026, and its update is due by 7 August. Four of these land across the year.
• File a final declaration. After the tax year ends, one final submission confirms the year, adds any other income like a salary or savings interest, and settles the tax. This final submission replaces your old Self Assessment return.

Count it up and that is five submissions a year where you used to send one. More often, but smaller each time, and the software does most of the adding for you. Recording every expense as it happens has an upside too: the small costs stop getting missed.

Benjamin Franklin made the point in Poor Richard's Almanack: "Beware of little expenses. A small leak will sink a great ship." A £6 subscription here and a £9 one there are exactly the costs a once-a-year scramble overlooks, and exactly the ones digital records catch.

3.QuickBooks Self-Employed Is Retiring at the Same Time

The timing matters if you already track your work in QuickBooks Self-Employed. Intuit is retiring it, having launched it in the UK back in 2015, and moving sole traders to a new app called QuickBooks Sole Trader. The replacement runs around £10 a month, is built for a one-person business, and is ready for both MTD for VAT and MTD for Income Tax.

Existing Self-Employed customers are being migrated across through 2025 and into 2026, and QuickBooks can move most of your data for you. So if you are on the old app, you are switching tools regardless. That makes this the moment to check whether Sole Trader is the right fit, or whether another recognised tool suits a sole trader better, rather than being moved onto the default without a look.

4.What to Look for in MTD Software for One Person

Once the deadline forces a choice, the shortlist is easy to build. For a sole trader, recognised and simple beats powerful and broad. Five things matter:

• HMRC-recognised for MTD for Income Tax. This one is not optional. HMRC keeps a list of compatible software on gov.uk, and a tool that is not on it cannot file your updates, however good it looks. Check the list first, then judge everything else.
• Fast digital records. Logging income and an expense should take seconds, and each cost should sort into the SA103 categories (the self-employment pages of your tax return). Clean categories now save you time at the final declaration. The habits behind that are worth a read in Expense Tracking Mistakes That Cost You Thousands.
• Quarterly updates and the final declaration built in. The tool should submit straight to HMRC, both the four updates and the year-end declaration, so you are not copying figures between apps.
• Priced and sized for a sole trader. You do not need multi-user access, payroll, or full company accounts. Pay for a one-person tool rather than a cut-down version of software built for limited companies.
• Records you can take with you. Confirm you can export everything before you commit. The MTD rules will outlast any single app, and you may switch again.

If you are also VAT-registered, you are already inside Making Tax Digital for VAT, and the income tax version works the same way. The guide to UK VAT registration covers where that threshold sits and when registering early pays off.

5.Get Ready Before Your Start Date

The sole traders who find MTD painless set up before April, well ahead of the first quarter. Three steps get you ready.

1. Work out if you are in. Add your sole-trade turnover and any rental income for 2024 to 2025. Over £50,000, and you start on 6 April 2026.
2. Pick recognised software early. Choosing well before March gives you time to learn it before your first real update, and to migrate cleanly if you are leaving QuickBooks Self-Employed or a spreadsheet.
3. Start your digital records on 6 April 2026. The first quarter opens that day, so the cleanest start is to log income and expenses from the first one, rather than backfilling three months later.

Your tax bill stays the same under Making Tax Digital. You just check it four times a year now, instead of once.

The April 2026 deadline reads like a burden, and the setup is real work. Once it is in place, the quarterly rhythm tends to be easier than the annual panic, because the numbers are already there each time you look. Pick software HMRC recognises, size it for one person, start your records on the first day of the tax year, and the final declaration becomes a review instead of a reconstruction.

If you want to see what your Income Tax, National Insurance, and Payments on Account actually come to before you pick a tool, the free tax check at simplance.org/tax-checkup runs your numbers in about a minute.