Making Tax Digital Checklist UK for Small Businesses

A missed receipt in the glovebox, a notebook full of fares, or invoices saved across three different phones can make tax time harder than it needs to be. This Making Tax Digital checklist UK guide is for sole traders, landlords and small businesses that want to get organised before HMRC deadlines start dictating the pace.

Making Tax Digital, usually shortened to MTD, changes how certain taxpayers keep records and send information to HMRC. It is not simply a case of submitting a tax return online. For many businesses, it means keeping digital records throughout the year and using compatible software to submit updates.

The right preparation depends on whether you are VAT registered, self-employed, receiving rental income, or operating through a limited company. That distinction matters, so start with the part that applies to you.

Making Tax Digital checklist UK: check which rules apply

VAT-registered businesses

If your business is VAT registered, MTD for VAT already applies. Since April 2022, all VAT-registered businesses have needed to keep VAT records digitally and submit VAT Returns through compatible software, regardless of turnover.

You cannot normally type figures directly into HMRC’s VAT portal. Your accounting software, spreadsheet with approved bridging software, or accountant’s software must send the return using the MTD service.

This applies whether you drive a cab, run a construction business, operate a shop, work as a consultant or let property alongside another business. The day-to-day job may differ, but the VAT record-keeping requirement is the same.

Sole traders and landlords

MTD for Income Tax Self Assessment is being introduced in stages. From April 2026, sole traders and landlords with qualifying income above £50,000 will be required to join. The threshold falls to more than £30,000 from April 2027 and more than £20,000 from April 2028.

Qualifying income means your gross income from self-employment and property before expenses are deducted. It is not your profit. For example, a landlord receiving £35,000 in rent and a self-employed subcontractor with £25,000 of turnover may have £60,000 of qualifying income, even where their eventual taxable profit is much lower.

HMRC generally uses figures reported on your Self Assessment return to determine whether you need to join. For the April 2026 start date, it will look at qualifying income shown for the 2024-25 tax year. If your income is close to a threshold, do not assume you are outside the rules without checking the numbers properly.

Limited company directors

MTD for Income Tax does not currently apply to a company’s corporation tax return simply because you are a director. A limited company has separate obligations for statutory accounts, corporation tax, payroll and VAT.

However, directors who also receive property income or have a sole-trader business should look at those income streams separately. If the company is VAT registered, MTD for VAT still applies to it.

Get your digital records into working order

The central rule is simple: do not leave record keeping until January. Under MTD, you need digital records that are kept as transactions happen or are captured regularly from source documents.

For VAT, your records must include the required VAT account information, such as sales, purchases, VAT charged and VAT reclaimed. Digital links are also important. If figures move from one system to another, they should transfer digitally rather than being retyped by hand. Copying and pasting may be acceptable in some situations, but repeated manual entry between systems creates avoidable mistakes and can break the digital trail HMRC expects.

For income tax, keep a clear digital record of business or property income and expenses. A simple category structure is usually enough: sales or fares, materials, fuel, insurance, rent, repairs, phone costs, accountancy fees and other expenses relevant to your work. The categories should make sense for your trade and support the figures you will eventually report.

Keep the evidence behind each transaction too. Photograph or scan receipts, retain supplier invoices, save bank statements and keep mileage records where vehicle costs are claimed. Digital bookkeeping does not mean throwing paperwork away without thought. It means being able to show how each figure was arrived at.

Choose software that fits how you actually work

The best software is not always the one with the longest feature list. It is the one you will use consistently and that works with the way money moves through your business.

A taxi driver taking card payments, cash fares and app bookings may benefit from software that connects to their bank and makes receipt capture quick from a mobile. A CIS subcontractor needs a straightforward way to record invoices, materials, mileage and CIS deductions shown on payment statements. A landlord may need to separate income and costs by property, especially where there are repairs, agent fees and joint ownership arrangements.

Before committing, check that the software is compatible with the relevant MTD service, can produce the reports you need, and has a sensible process for bank feeds and receipt capture. Also consider who will keep the records. If you or your office team will do it, ease of use matters. If your accountant will manage the books, agree a system that gives both sides timely access to accurate information.

A spreadsheet can still be suitable in some cases, but it must work with MTD-compatible bridging software where required. Spreadsheets often suit businesses with a low volume of transactions and disciplined record keeping. They are less helpful when paperwork is already piling up or several people are entering figures.

Prepare for quarterly updates without creating extra pressure

For taxpayers within MTD for Income Tax, the new rhythm will include quarterly updates, followed by an end-of-period statement and a final declaration. The updates are not four separate tax bills. They are regular submissions of income and expense information that give HMRC a clearer view of the year as it progresses.

You will still need to review the figures. Bank feeds can miss cash transactions, duplicate entries can appear, and a payment to a builder could be a repair, an improvement, or a mixture of both. The software records what you enter; it does not automatically decide the correct tax treatment.

Build a short monthly routine instead of relying on last-minute catch-up. Reconcile the bank, upload outstanding receipts, review sales and expenses, and set aside money for tax. Twenty minutes a week is often easier than two long evenings spent reconstructing the last quarter.

Check the tax details software cannot decide for you

MTD improves the reporting process, but it does not replace tax judgement. This is where many self-employed people get caught out.

For CIS workers, confirm that contractor deductions have been recorded from the correct monthly statements. If deductions are missing or entered incorrectly, your tax calculation and any potential refund can be wrong. For landlords, distinguish carefully between allowable repairs and capital improvements, and make sure rental income is recorded gross before agent fees where appropriate.

For business vehicle costs, choose the right approach and apply it consistently. Mileage rates can be straightforward, but they are not always best for every vehicle or trading pattern. If you use actual costs, private use needs to be considered. For limited company owners, do not mix company spending and personal spending in the same account and hope the bookkeeping will sort itself out later.

If your business has a mixture of VATable sales, exempt income, reverse-charge construction services, payroll or overseas purchases, ask for advice early. These areas can affect the records and VAT treatment before the return is submitted.

Register, authorise and test before a deadline

Do not wait until the day your VAT Return is due or the first MTD period begins. Check that you are registered for the correct HMRC service, that your software is connected, and that any accountant acting for you has the authority needed to submit on your behalf.

Run a test month before relying on the system. Create a few sales and expense entries, connect the bank feed, upload receipts and see whether the reports match your own records. It is far better to find a duplicated bank transaction in a quiet month than during a filing deadline.

Some people may be eligible for an exemption where it is not reasonably practical to use digital tools because of age, disability, remoteness of location, religion or another valid reason. This is not automatic, and HMRC must agree it. Lack of confidence with software alone is unlikely to be enough, but practical support can make the transition much easier.

A practical checklist before you start

Use this as a final working check:

• Confirm whether MTD for VAT, MTD for Income Tax, or both apply to you.

• Calculate qualifying income using gross self-employment and property income, not profit.

• Select MTD-compatible software or a suitable spreadsheet and bridging arrangement.

• Connect business bank accounts and establish a receipt-capture routine.

• Categorise income and expenses in a way that reflects your trade or rental activity.

• Reconcile records monthly and correct errors before quarterly or VAT submissions.

• Keep CIS statements, invoices, mileage records and proof of expenses alongside your digital books.

• Check access, registrations and accountant authorisations well ahead of the first filing date.

Making Tax Digital should not turn a working week into an admin exercise. Done properly, it gives you cleaner records, fewer surprises and a more realistic view of what the business is earning. If your books are behind, the sensible first step is to get them caught up and choose a routine you can maintain - then the software becomes a useful tool rather than another deadline to worry about.