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The 5 Biggest Lies You've Been Told About Making Tax Digital for Income Tax

  • Jul 31
  • 4 min read

If you are a sole trader or a landlord in the UK, the acronym "MTD" has likely been floating around your inbox for years. Making Tax Digital (MTD) for Income Tax Self-Assessment (ITSA) has been delayed, debated, and redesigned so many times that it’s easy to dismiss it as "the tax change that never happens."

However, the clock is now officially ticking. Starting in April 2026, the biggest shake-up to the UK tax system in a generation will become a reality for hundreds of thousands of business owners.

Because of the constant changes, a lot of misinformation has filled the void. As an SME owner, following the wrong advice could lead to more than just a headache: it could lead to HMRC penalties and significant financial stress.

At Accountant Search, we believe in keeping things simple. Today, we’re debunking the five biggest lies you’ve been told about Making Tax Digital for Income Tax, so you can stop worrying and start preparing.

Lie 1: "It’s Just Another New Tax"

One of the most common misconceptions is that MTD is a "stealth tax" designed to take more money from small businesses.

The Truth: MTD is not a tax; it is a reporting change.

The actual rules for how your tax is calculated: your personal allowance, your tax bands, and the expenses you can claim: remain exactly the same. What is changing is how and when you report that information to HMRC.

Instead of filing one big Self-Assessment return once a year, you will move to a digital system that requires more frequent touchpoints. The goal is to reduce manual errors (which HMRC estimates cost the UK billions in lost revenue) and give you a more real-time view of what you owe.

Lie 2: "Excel Is Enough to Be Compliant"

Many business owners have spent years perfecting their custom Excel spreadsheets. If you’re comfortable with formulas and macros, you might think you’re already "digital."

The Truth: While you can still use Excel, it is no longer a standalone solution for MTD.

Under the new rules, your records must be "digitally linked." This means you cannot simply type your totals into the HMRC portal at the end of the year. You must use HMRC-recognised software that can talk directly to HMRC’s systems.

If you insist on staying with spreadsheets, you will need to invest in "bridging software" that extracts the data from your Excel file and submits it to HMRC. However, for most SMEs, switching to a dedicated accounting package like Xero or QuickBooks is often more efficient than trying to "hack" a spreadsheet to be compliant.

A conceptual photo showing the transition from cluttered paper receipts to a clean digital tablet with financial charts

For a deeper dive into the technical requirements of modern filing, read our guide on Beyond the Gateway.

Lie 3: "HMRC Will Do the Heavy Lifting for Me"

There’s a dangerous myth that because the system is "digital," HMRC’s computers will automatically calculate everything correctly once you connect your bank account.

The Truth: The responsibility for accuracy lies entirely with you.

While MTD-compatible software can automate things like bank feeds, it doesn't know the difference between a personal lunch and a business expense. You still need to categorise transactions correctly, ensure you’re claiming the right reliefs, and verify that your digital records match reality.

HMRC is providing the "pipes" for the data to flow through, but you (and your accountant) are still the ones who have to turn the tap. If you wait until 2026 thinking the system will manage itself, you’ll likely find yourself in a mess of uncategorised transactions and missed deadlines.

Lie 4: "It Only Affects the Big Players"

Because the initial rollout of MTD focused on VAT-registered businesses with high turnovers, many small sole traders and landlords believe they are "too small" to be included.

The Truth: The 2026 and 2027 thresholds will bring in millions of small businesses.

Here are the hard facts for the upcoming rollout:

  • April 2026: If you have an annual business or property income over £50,000, you must join.

  • April 2027: If your income is over £30,000, you must join.

Crucially, this is based on gross income (turnover), not profit. If you are a landlord receiving £2,600 a month in rent, you are already over the £30,000 threshold, even if your mortgage and maintenance costs mean you’re barely breaking even.

Close-up of a person using a laptop to manage finances with colorful charts on the screen

Lie 5: "I Have Plenty of Time to Prepare"

With the deadline set for April 2026, it’s tempting to put this on the "future me" problem list. After all, 2026 feels like a long way off.

The Truth: Preparation should start now.

The transition to MTD involves three major hurdles:

  1. Software Selection: Finding the right tool that fits your business.

  2. Digital Cleanup: Moving your old paper or basic spreadsheet records into a digital format.

  3. Quarterly Habit: Adjusting to the new rhythm of submitting four quarterly updates, plus a year-end "Final Declaration."

If you wait until March 2026 to find an accountant or choose software, you’ll be competing with every other business owner in the UK who did the same. Prices for accounting services will spike, and the best firms will likely be at full capacity.

How to Get Ahead of the 2026 Changes

The most effective way to navigate MTD for Income Tax is to have a professional in your corner. An accountant doesn't just "do your taxes": they ensure your digital systems are set up correctly so you never have to worry about an HMRC audit.

A small business owner consulting with a professional accountant in a modern office

If you’re unsure where to start, our How to Find an Accountant in the UK guide walks you through the steps of choosing a partner who understands the new digital landscape.

At Accountant Search, we specialise in matching SMEs with the right experts. Whether you’re a landlord with a single property or a sole trader scaling your business, we can help you find an MTD-ready accountant today.

The 2026 Checklist:

  • Check your turnover: Are you likely to exceed £50k (by April 2026) or £30k (by April 2027)?

  • Audit your records: Are you still using paper or non-bridged Excel?

  • Talk to an expert: Don't wait for the "Final Declaration" panic.

Compare vetted accountants now and take the stress out of 2026.

 
 
 

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