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Blog Tax Making Tax Digital (MTD) for Income Tax: A Guide for Sole Traders

Making Tax Digital for Income Tax: A Guide for Sole Traders

9 min. read
07 Apr 2026
07 Apr 2026
9 min. read

Making Tax Digital for Income Tax is HMRC's new system that requires sole traders earning above £50,000 to keep digital records and submit quarterly tax updates starting April 2026. Those earning over £30,000 follow in April 2027.

This guide covers everything you need to know: who's affected, key deadlines, how to calculate your qualifying income, what software you'll need, and how to prepare now so you're ready when your threshold kicks in.

What is Making Tax Digital for sole traders?

Making Tax Digital (MTD) is HMRC's programme that requires sole traders to keep digital records and send tax updates to HMRC four times a year using compatible software. Rather than filing one annual Self Assessment return, completed by 11.48 million taxpayers in 2024–25, you'll submit quarterly summaries of your income and expenses, then wrap everything up with a Final Declaration at year-end.

The system works through three main parts:

  • Digital records: All your business income and expenses stored in MTD-compatible software

  • Quarterly updates: Summaries sent to HMRC every three months

  • Final Declaration: A year-end submission that takes the place of your traditional tax return

HMRC built MTD to cut down on the 43% of business returns containing errors and help you see where you stand with tax throughout the year. The programme already applies to VAT-registered businesses, and Income Tax is the next phase.

For sole traders, this means moving away from paper records and spreadsheets toward software that talks directly to HMRC's systems.

Top Tip: If you're new to digital bookkeeping, Tide's free MTD-ready tools show how automated record-keeping works in practice.

Does Making Tax Digital apply to self-employed sole traders?

Yes, MTD for Income Tax Self Assessment covers self-employed individuals whose qualifying income goes above certain thresholds. This includes freelancers, contractors, and anyone else running their business as a sole trader. Landlords with property income fall under the same rules.

The groups affected are:

  • Self-employed sole traders with qualifying income above the threshold

  • Landlords with property income above the threshold

  • Individuals with combined self-employment and property income that exceeds the threshold

If you fit into any of these categories and your income is high enough, you'll be required to use MTD instead of continuing with traditional Self Assessment.

How to calculate your qualifying income for MTD

Your qualifying income is your gross income or turnover before you take off any expenses – not your profit. If you earn from both self-employment and property rental, you add both gross figures together.

  • Gross turnover: Total business income before expenses

  • Property income: Total rental income before allowable deductions

  • Combined total: Both figures added together to work out your threshold

Say your self-employment brings in £35,000 and you receive £20,000 from a rental property. Your qualifying income would be £55,000 – well above the initial threshold.

Top Tip: Look at your previous tax return to estimate your qualifying income and figure out when you'll need to comply.

When does MTD for Income Tax start?

April deadline for income over £50,000

The first mandatory date is April 2026. 864,000 sole traders and landlords with qualifying income over £50,000 in the 2024-25 tax year will start using MTD from this point.

April deadline for income over £30,000

From April 2027, the rules extend to those with qualifying income over £30,000. This second phase brings a much larger group of sole traders into the MTD system.

Future expansion to lower income thresholds

HMRC has mentioned plans to eventually include those earning above £20,000, with a provisional date of April 2028. However, this hasn't been formally confirmed yet.

Income threshold

Compliance start date

Over £50,000

April 2026

Over £30,000

April 2027

Over £20,000

April 2028 (provisional)

Latest Making Tax Digital updates for sole traders

HMRC has made several recent changes to MTD for Income Tax. The income thresholds were raised from earlier proposals, and the rollout dates were pushed back to give businesses more preparation time.

Recent changes include revised thresholds of £50,000 and £30,000 with confirmed start dates, an updated penalty points system designed to be fairer for occasional mistakes, and new guidance on software requirements along with the official sign-up process.

Top Tip: Bookmark HMRC's official MTD guidance to stay informed about future changes.

Who is exempt from Making Tax Digital?

Digital exclusion exemptions

HMRC may grant an exemption if you cannot use digital tools due to age, disability, or living somewhere with poor internet access. These exemptions recognise that not everyone can reasonably be expected to go digital.

Religious objections

Exemptions are available for individuals whose religious beliefs are incompatible with using electronic communications or keeping electronic records.

Insolvency and other circumstances

Additional exemptions can apply to businesses in insolvency proceedings, individuals in care, or those with a Power of Attorney managing their affairs. Exemptions aren't automatic – you'll need to apply directly to HMRC, who review each case individually.

How MTD differs from Self Assessment

Making Tax Digital changes both how often you report and how you do it. While Self Assessment involves one annual submission, MTD spreads the workload across the year.

Feature

Self Assessment

Making Tax Digital

Submission frequency

Once per year

Quarterly plus Final Declaration

Record-keeping

Paper or digital

Digital only (MTD-compatible software)

Deadlines

31 January

Quarterly deadlines plus year-end

Tax calculation

Manual or via tax return

Software calculates automatically

What records you need to keep digitally

Income and expense categories to track

You'll need to digitally record all transactions related to your business. This covers sales and business income, allowable expenses by category (travel, office costs, stock, and so on), plus bank interest and other income sources.

Receipt capture and storage requirements

Digital copies of receipts and invoices for business expenses are required. A clear photograph stored within your MTD software works fine – you don't need to keep paper originals.

How auto-categorisation reduces manual work

Modern MTD software can connect to your bank account and automatically sort transactions into HMRC's required categories. This cuts down significantly on manual data entry and admin time. An integrated business account that auto-categorises transactions can save hours of manual bookkeeping each month.

When MTD quarterly updates are due

Quarterly update periods

The standard quarterly periods follow the UK tax year:

  • Quarter 1: 6 April to 5 July

  • Quarter 2: 6 July to 5 October

  • Quarter 3: 6 October to 5 January

  • Quarter 4: 6 January to 5 April

Submission deadlines for each quarter

Each quarterly submission deadline falls one month after the quarter ends. So the update for Quarter 1 (ending 5 July) would be due by 5 August.

What is the Final Declaration?

The Final Declaration takes the place of your traditional Self Assessment tax return. This is where you confirm your total income from all sources, claim allowances and reliefs, and finalise your tax liability for the year.

  • Purpose: Finalise your tax position and confirm the accuracy of quarterly submissions

  • Deadline: 31 January following the end of the tax year

  • What it includes: Final adjustments, claims for tax reliefs, and confirmation of quarterly data

What software sole traders need for MTD

What makes software MTD-compatible?

For software to be MTD-compatible, it needs to connect to HMRC's systems via an API, maintain digital records as required, and submit quarterly updates and the Final Declaration directly to HMRC.

Why integrated banking and accounting tools work best

Software that connects directly to your business bank account offers the smoothest experience. Transactions import automatically, categorisation happens in real-time, and you get a live view of your finances without switching between apps.

Can you use spreadsheets for MTD?

Spreadsheets alone won't work for MTD because they can't communicate with HMRC's systems. You'd need additional "bridging software" to submit your data, which adds complexity and room for errors.

Top Tip: Tide Accounting's free MTD tools are HMRC-recognised and built directly into your business account.

How to sign up for Making Tax Digital

1. Check your Government Gateway account

You'll need a Government Gateway user ID and password linked to your Self Assessment record before signing up. 

2. Verify your business details

Make sure your National Insurance number, Unique Taxpayer Reference (UTR), and other business information match HMRC's records.

3. Choose your MTD-compatible software

Select an HMRC-recognised software provider before starting the sign-up process – you'll need to link it during registration.

4. Authorise your software with HMRC

During sign-up, you'll grant your chosen software permission to interact with HMRC on your behalf. This securely connects the two systems.

5. Submit your first quarterly update

Once signed up, you'll no longer file a Self Assessment return. Start keeping digital records and submit your first quarterly update by the relevant deadline.

Penalties for not complying with MTD

Late submission penalties

HMRC uses a points-based system for late submissions. You receive one penalty point for each missed deadline, and once you hit the threshold, a financial penalty applies.

Late payment penalties

Paying tax late triggers separate penalties, charged as a percentage of the overdue amount. The longer payment remains outstanding, the higher the penalty.

How the points-based penalty system works

The system is designed to be less harsh for occasional mistakes. Points build up for each missed deadline, and the threshold is 4 points for quarterly submissions. A £200 penalty applies once you reach the threshold, though points expire after a period of sustained compliance.

How much MTD compliance costs

Software subscription costs

Most MTD software providers charge monthly or annual fees, and costs vary significantly based on features and provider.

Free MTD tools available to sole traders

Some providers, including Tide, offer free HMRC-recognised MTD tools as part of their business accounts. This removes software subscription costs entirely.

Hidden costs to consider

Beyond software fees, factor in time spent learning new systems, potential accountant support, or bridging software costs if you prefer using spreadsheets.

Benefits of Making Tax Digital for sole traders

Real-time visibility of your tax position

Digital records give you an up-to-date view of income, expenses, and estimated tax liability throughout the year – no more surprises come January.

Reduced year-end stress

Spreading admin across four quarterly submissions avoids the traditional January rush and the stress that comes with it.

Fewer errors and penalties

Automated calculations and digital record-keeping reduce manual errors that can lead to incorrect payments or HMRC penalties.

Better cash flow planning

Knowing your estimated tax liability in advance makes it easier to set aside the right amount, preventing cash flow surprises.

How to prepare for Making Tax Digital now

1. Start keeping digital records today

Building good habits now, like finding a consistent way to track your expenses, makes the transition smoother, even if your deadline is still months away.

2. Choose MTD-compatible software

Research and select your software early. This gives you time to get comfortable before compliance becomes mandatory.

3. Connect your business bank account

Linking your bank account enables automatic transaction imports – a key step in automating your bookkeeping.

4. Set up auto-categorisation for transactions

Take advantage of features that automatically sort income and expenses into HMRC's required categories.

5. Run a test quarter before the deadline

Try completing a practice quarterly update before MTD becomes compulsory. This helps identify any gaps in your process ahead of time.

How integrated banking and tax tools simplify MTD compliance

All-in-one platforms that combine business banking, bookkeeping, and tax filing dramatically reduce friction and admin time.

  • Automatic transaction imports: Bank transactions appear in your accounting software without manual entry

  • Real-time categorisation: Transactions are sorted into correct tax categories as they happen

  • Built-in tax estimates: See an up-to-date estimate of your tax liability throughout the year

  • Direct HMRC filing: Submit quarterly updates and your Final Declaration without leaving the app

Tide offers these integrated features at no extra cost, making MTD compliance straightforward and affordable for sole traders.

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