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Introduced in April 2026 and affecting nearly 900,000 individuals in the first wave of its phased rollout, new Making Tax Digital (MTD) rules will eventually change the self assessment process for all sole traders and landlords. One of those changes involves filing and submitting quarterly updates. This is perhaps one of the most misunderstood areas of MTD for Income Tax Self Assessment (ITSA), with many believing that each submission leads to a payment. But this isn’t the case at all. Read on to find out everything you need to know about the income tax quarterly updates, in what way these changes can come with both challenges and benefits, and how we can help.

What Is Making Tax Digital?

Making Tax Digital is a key part of the government’s tax administration strategy – a 10-year plan with the aim of building a ‘trusted and modern’ tax system.

Eventually, all businesses, sole traders and landlords will need to keep digital records via MTD compatible HMRC-approved software and submit their figures every quarter.

Who Is Affected by Making Tax Digital?

It is only sole traders and landlords who are affected by MTD for ITSA, and the year that they need to implement these changes will depend on their earnings.

For example, you will be affected from:

  • 6th April 2026, if you have an annual business or property income of more than £50,000
  • April 2027, if you have an annual business or property income of more than £30,000
  • April 2028, if you have an annual business or property income of more than £20,000

Making Tax Digital Responsibilities

  • Keeping digital records of your income and expenses using HMRC-compatible software.
  • Submitting quarterly updates to HMRC.
  • Completing a final end-of-year declaration.

How Do Quarterly Updates Work with Self Assessment?

MTD for ITSA will bring the tax system closer to real time, replacing the annual self assessment with digital record keeping maintained throughout the year.

These quarterly updates will be due on the:

  • 7th August
  • 7th November
  • 7th February
  • 7th May

These do not trigger payments – they are not full tax returns, and you will not be expected to pay each one.

They are simply summaries of your records that will give you an estimated bill as you go along and can be corrected later on if needed.

After your fourth quarterly update, you will need to complete a final end-of-year declaration. This is where everything is checked, corrected and finalised.

Due to HMRC’s MTD requirements, such as digital records, digital links and electronic submissions, the software you use must be MTD compatible and HMRC-approved.

The best MTD software includes the following features:

  • Quarterly MTD submissions
  • Bank feeds
  • Receipt capture
  • Accountant access
  • VAT support
  • Mobile app access

Quarterly Updates: Challenges and Benefits

As with any change, there will be challenges at first as people get used to the new quarterly update process.

Typical challenges include things like:

  • Increased admin.
  • Poor bookkeeping habits will become more visible – if you’re the type of person who leaves things to the last minute, then this could potentially create more issues for you. This new system will mean being more organised throughout the year if you’re not usually.

There are also benefits to submitting updates regularly, such as:

  • Having more up-to-date financial visibility.
  • An earlier awareness of tax liabilities.

All of this will give you greater control over your finances.

How We Can Help You With Making Tax Digital

At Dolan Accountancy, we can provide the right MTD support you need to meet your obligations, including helping to manage your quarterly submissions.

We can also help with:

  • Setting up compliant digital bookkeeping through FreeAgent
  • Keeping your records accurate and up to date
  • Ensuring you stay fully compliant and stress-free

Our MTD package includes everything you need and is just £25 +VAT per month.

If you’re an existing client, we charge an additional £10 + VAT per month to take care of your MTD needs.

If you have any further questions, our team of experts are available to answer any queries, so give us a call on 01442 795 100 or email jaime.thorpe@dolanaccountancy.com. Alternatively, contact us via live chat.

Why Thousands of Contractors, Small Businesses and the Self-Employed Choose Dolan Accountancy

With over 30 years’ experience, Dolan Accountancy are award-winning nationwide accountants for contractors, small businesses and the self-employed. We have the specialist skills, reputation, and credibility you can trust.

Our all-inclusive packages cover everything you need, with no hidden costs.

If you’d like to find out more about how Dolan Accountancy can help you and your business, please give us a call on 01442 795 100 or email sophie.lewis@dolanaccountancy.com or jaime.thorpe@dolanaccountancy.com.

We don’t believe in tiered packages or hidden extra fees, instead we aim to give you everything you need, including:

  • Free Company Formation – This is where it all begins. Once you have decided on an available name, we will form your company free of charge (if using our accountancy services) and it will be ready for you to use in as little as three hours.
  • A Dedicated Accountant – Your accountant will be there for any company or personal tax advice that you require.
  • Free Access to FreeAgent – We offer all of our clients access to FreeAgent, free of charge.
  • Free Business Banking – We are partnered with multiple banking providers, several of which provide free business banking for the first 12 months.
  • Free Registered and Director’s Service Office Address – Sometimes you just don’t want your home address on display at Companies House. When you sign up to our accountancy services, we will offer the use of our address as an alternative.
  • Your Business and Personal Taxation Needs – This includes Company Accounts, Director’s Personal Tax Return, VAT Returns, Payroll, Corporation Tax, unlimited IR35 status reviews and Dividend advice, to name just a few.
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