Making Tax Digital 2026: What Sole Traders Need to Do Before 6 April

Introduction to Making Tax Digital for Income Tax Self Assessment

The UK tax system is undergoing its most significant transformation in 30 years with the rollout of Making Tax Digital (MTD). Specifically, MTD for Income Tax Self Assessment (ITSA) marks a fundamental shift from annual tax returns to a system of digital record keeping and quarterly reporting directly to HMRC. This change, mandatory for sole traders and landlords with annual business or property income exceeding £50,000 from 6 April 2026, aims to modernise the tax administration, reduce errors, and provide taxpayers with a more real-time view of their tax position.

For those affected, this means a departure from traditional spreadsheets or paper records. Instead, businesses will need to use HMRC-compatible software to maintain digital records of their income and expenses, submitting quarterly summaries to HMRC. An End of Period Statement (EOPS) and a Final Declaration will then consolidate these reports, replacing the annual Self Assessment tax return. Understanding these changes and preparing adequately before the 6 April 2026 deadline is crucial for ensuring compliance and avoiding penalties. This comprehensive guide will walk you through every aspect of MTD ITSA, detailing who is affected, what is required, key dates, and practical steps for a smooth transition.

What is Making Tax Digital for Income Tax Self Assessment (MTD ITSA)?

Making Tax Digital (MTD) for Income Tax Self Assessment (ITSA) is a government initiative to digitalise the UK tax system. Its core aim is to make tax administration more efficient, more effective, and easier for taxpayers to get their tax right. Instead of filing a single annual Self Assessment tax return, MTD ITSA requires eligible businesses and landlords to:

Keep digital records of all business income and expenses using HMRC-compatible software.
Send quarterly summaries of their income and expenses to HMRC directly from their MTD-compatible software.
Submit an End of Period Statement (EOPS) for each source of business income, making any necessary accounting adjustments.
Submit a Final Declaration, which consolidates all income sources (including non-business income) and confirms the final tax position for the year.

This new system is designed to provide taxpayers with a more up-to-date view of their tax liability, helping them to budget more effectively and potentially reduce errors. It also allows HMRC to receive information more frequently, theoretically leading to fewer unexpected tax bills and a more streamlined process overall.

Who is Affected by MTD ITSA from 6 April 2026?

From 6 April 2026, MTD for Income Tax Self Assessment will become mandatory for:

Sole Traders: Individuals who run their own business and are self-employed.
Landlords: Individuals who receive income from UK property.
General Partnerships: These will be mandated at a later date, which is yet to be confirmed. For 2026, the focus is on sole traders and individuals with property income.

The key determinant for mandatory participation is the level of your qualifying income. You must comply with MTD ITSA if your total gross income from all self-employment businesses and UK property exceeds £50,000 in a tax year.

Qualifying Income Definition: This refers to your gross income, not your profit. If you have multiple sole trade businesses or multiple property incomes, these are aggregated to determine if you meet the £50,000 threshold. For example, if you earn £30,000 as a freelance consultant and £25,000 from a rental property, your total qualifying income is £55,000, meaning you must comply with MTD ITSA.

What if my income fluctuates? If your qualifying income falls below the £50,000 threshold in a tax year, you may be able to opt out of MTD ITSA for the subsequent tax year. However, if it then rises above the threshold again, you would need to re-join. It is often simpler to continue with MTD once you have started, as it provides a consistent approach to your record keeping and reporting.

Important Note: The threshold refers to gross income, not taxable profit. Many businesses and landlords who previously submitted a simple Self Assessment will now need to adapt to the digital reporting requirements.

Key Dates and Deadlines for MTD ITSA

MTD ITSA introduces a new rhythm of reporting, replacing the single annual Self Assessment deadline with multiple submission points throughout the year. It is crucial to understand these dates to ensure timely compliance.

6 April 2026: MTD ITSA mandatory for income over £50,000. The official start date for MTD for Income Tax Self Assessment for affected sole traders and landlords.
7 August 2026: First quarterly update due. For the tax year starting 6 April 2026, the first quarterly update covering April to June is due.
7 November 2026: Second quarterly update due. Covers the period from July to September 2026.
7 February 2027: Third quarterly update due. Covers the period from October to December 2026.
7 May 2027: Fourth quarterly update due. Covers the period from January to March 2027.
31 January 2028: Final Declaration and tax payment due. For the tax year ending 5 April 2027, the final declaration and any balancing payment are due.

Understanding the Quarterly Updates

The core of MTD ITSA reporting lies in the quarterly updates. These are summaries of your business income and expenses for specific periods.

Reporting Period	Submission Deadline
6 April to 5 July	5 August
6 July to 5 October	5 November
6 October to 5 January	5 February
6 January to 5 April	5 May

These quarterly updates provide HMRC with a regular snapshot of your trading activity. They are not final tax calculations, but rather summaries of your digital records. Your MTD-compatible software will calculate and submit these figures directly to HMRC.

End of Period Statement (EOPS) and Final Declaration

After your fourth quarterly update, you will need to submit an End of Period Statement (EOPS) for each business or property income source. The EOPS allows you to make any necessary accounting adjustments, such as:

Adjustments for accruals and prepayments.
Stock valuations.
Capital allowances.
Private use adjustments.

The deadline for submitting your EOPS is the same as the Final Declaration, which is 31 January following the end of the tax year.

The Final Declaration replaces the traditional Self Assessment tax return. It combines all your income sources, including those not covered by MTD (e.g., employment income, dividends, savings interest), and calculates your final income tax and National Insurance liabilities. This is the ultimate submission for the tax year, and it is also when any outstanding tax payments are due.

Alignment with Accounting Periods: While the tax year runs from 6 April to 5 April, your business might have a different accounting period. Under MTD ITSA, you can continue to use your chosen accounting period. However, your MTD software will need to map your accounting period data to the tax year's quarterly reporting periods, potentially requiring some overlap in reporting. This is an important consideration for businesses with non-standard year-ends.

Digital Record Keeping Requirements

One of the foundational aspects of MTD ITSA is the requirement to keep digital records. This means that you cannot simply use paper ledgers or non-digital spreadsheets to store your financial information. Your records must be kept in a digital format from the start of your MTD ITSA obligations.

What Information Must Be Recorded Digitally?

For each business or property, you must keep digital records of:

Date of transaction
Amount of transaction
Type of income or expense
Category of transaction (e.g., sales, office rent, stationery)
VAT details (if VAT registered)
Business mileage (if claimed)
Details of any capital allowances claimed

This information must be stored digitally within HMRC-compatible software. The software must be able to securely store this data and transmit the required summaries to HMRC directly.

What Does "Digital Records" Mean in Practice?

Digital record keeping does not necessarily mean you have to scan every receipt. It primarily means that the data itself must be stored and processed digitally. HMRC has outlined specific requirements:

Income Records: Details of all sales, invoices, and other income received.
Expense Records: Details of all purchases, bills, and other expenses incurred.
Summary Data: Your MTD software will need to generate summary data for your quarterly updates. This summary must be created from the digital records held within the software, not manually entered from external sources.

While you do not need to keep digital copies of physical receipts, it is good practice to do so for your own records and for potential HMRC enquiries. Many MTD-compatible software solutions offer features for attaching receipt images to transactions.

The Role of Digital Links

A critical concept in MTD is the "digital link." This ensures that data flows digitally between different pieces of software or spreadsheets without manual intervention. For example, if you use a spreadsheet for some initial data capture, that data must be transferred to your MTD-compatible software via a digital link, such as:

An API (Application Programming Interface) integration.
CSV import/export with no manual manipulation.
Built-in linking formulas within a spreadsheet that transfers data to another spreadsheet or software.

Manually copying and pasting data, or re-typing figures from one system to another, breaks the digital link and is not compliant with MTD requirements. AccountsOS, as HMRC-compatible software, ensures that all your records are kept digitally and linked appropriately for MTD ITSA.

Software Requirements for MTD ITSA

To comply with MTD ITSA, sole traders and landlords must use HMRC-compatible software. This software must be capable of:

Recording all business income and expenses digitally.
Receiving information from other software via digital links (if applicable).
Calculating and generating the quarterly summaries, EOPS, and Final Declaration.
Submitting these reports directly to HMRC via their API.
Receiving information back from HMRC, such as your tax calculation for the year.

Types of MTD-Compatible Software

There are broadly two categories of MTD-compatible software:

Integrated Accounting Software: These are comprehensive packages like AccountsOS that manage all aspects of your business finances, from invoicing and expense tracking to bank reconciliation and MTD reporting. They are designed to be an all-in-one solution.
Bridging Software: If you currently use spreadsheets to keep your records, bridging software can act as an intermediary. It allows you to continue using your spreadsheets for initial data entry, then digitally links to the bridging software which formats the data and submits it to HMRC. This is a temporary solution and still requires a robust, digitally linked spreadsheet.

HMRC maintains a list of recognised MTD software providers on its website. It is essential to choose software that is listed as compatible for MTD for Income Tax.

Choosing the Right Software for You

When selecting MTD software, consider the following:

Ease of Use: Is the interface intuitive? How steep is the learning curve?
Features: Does it offer bank feed integration, invoicing, expense management, and other tools relevant to your business?
Cost: What are the monthly or annual subscription fees?
Support: What kind of customer support is available if you encounter issues?
Scalability: Can the software grow with your business?

AccountsOS offers a user-friendly interface and automated record keeping. VAT MTD is live today, and AccountsOS is on HMRC's list of MTD VAT software. MTD for Income Tax (ITSA), including direct quarterly submissions to HMRC, is in development ahead of April 2026.

Once you have chosen your HMRC-compatible software, the next step is to sign up for MTD ITSA. You cannot sign up directly with HMRC; you must do so through your chosen software.

Step-by-Step Registration Process:

Choose Your Software: Select an HMRC-recognised MTD-compatible software package, such as AccountsOS. Ensure it supports MTD for Income Tax.
Set Up Your Software: Configure your chosen software with your business details, bank accounts, and any existing financial data. This is also the time to link any bank feeds.
Enable MTD ITSA in Software: Within your software, there will be an option to sign up for MTD ITSA. This will typically involve authorising the software to interact with your HMRC online services account.
HMRC Gateway Credentials: You will need your Government Gateway user ID and password to authorise your software. If you do not have these, you will need to register for an HMRC online services account.
Confirm Details: The software will transmit your details to HMRC to confirm your eligibility and register you for MTD ITSA. HMRC will then confirm your registration, usually within 72 hours.
Start Digital Record Keeping: Once registered, you must begin keeping digital records for all business and property income from the start of your first MTD tax year (6 April 2026 for most).

It is advisable not to sign up too early, as once you are registered, you are expected to comply with MTD rules. Aim to register a few weeks before your mandatory start date of 6 April 2026.

What to Do if Your Income is Near the Threshold

If your qualifying income is close to the £50,000 threshold, you might be unsure whether you need to sign up. HMRC will use historical data to determine who is likely to be mandated, but it is ultimately your responsibility to assess your income.

Monitor Income: Keep a close eye on your gross income from all self-employment and property sources. If it consistently exceeds £50,000, you will need to comply.
Voluntary Compliance: Even if your income is below the threshold, you can voluntarily join MTD ITSA. This can be a good way to get ahead of future mandates and benefit from digital record keeping.
Seek Advice: If in doubt, consult with an accountant or tax advisor who is familiar with MTD ITSA. They can help you assess your specific situation.

HMRC has confirmed that if your income subsequently drops below the threshold, you will not be required to leave MTD. You can choose to remain compliant, which often proves more straightforward than switching back and forth.

Penalties for Non-Compliance with MTD ITSA

HMRC will introduce a new penalty regime for MTD ITSA to encourage compliance with the new digital reporting obligations. These penalties apply to late submissions, failure to keep digital records, and errors in submissions.

Late Submission Penalties (Point-Based System)

A new points-based system will apply for late quarterly updates, EOPS, and Final Declarations.

For each missed submission deadline, you will receive a point.
Once you reach a certain number of points (e.g., 4 points for annual filers, more for quarterly), a fixed penalty of £200 will be issued.
Additional £200 penalties will be issued for every subsequent default once the penalty threshold is reached.
Points expire after a period of good compliance (e.g., 12 months for quarterly filers).

This system is designed to penalise persistent non-compliance rather than isolated errors.

Failure to Keep Digital Records

HMRC can issue penalties if you fail to keep digital records as required by MTD. These can range from £100 to £3,000, depending on the severity and persistence of the failure. This includes:

Not using MTD-compatible software.
Failing to keep all required information digitally.
Breaking the 'digital link' between software or records.

Penalties for Inaccurate Submissions

Penalties for errors in your quarterly updates, EOPS, or Final Declaration will follow the existing penalty regime for inaccuracies in tax returns. The amount of the penalty depends on the nature of the error:

Careless Error: Up to 30% of the extra tax due. This can be reduced if you tell HMRC about the error and cooperate.
Deliberate but not concealed: Up to 70% of the extra tax due.
Deliberate and concealed: Up to 100% of the extra tax due.

Using MTD-compatible software helps to minimise errors by automating calculations and providing a clear audit trail.

Late Payment Interest: In addition to penalties, HMRC will charge interest on any tax paid late, calculated from the original payment due date. This applies to both balancing payments and payments on account.

Exemptions from MTD ITSA

While MTD ITSA is becoming mandatory for many, certain individuals and businesses may be exempt from the requirements. Understanding these exemptions is important to determine if you need to comply.

Who is Currently Exempt?

Income Below Threshold: Sole traders and landlords whose total gross income from self-employment and UK property is below £50,000 are not currently mandated to join MTD ITSA. They can continue to file a traditional Self Assessment tax return. Note: This threshold is expected to be lowered to £30,000 from April 2027.
Digitally Excluded: Individuals who are genuinely unable to use digital tools, such as those due to age, disability, remoteness of location, or other compelling reasons, may be granted an exemption. This is assessed on a case-by-case basis by HMRC.
Religious Exemption: Members of a religious society or order whose beliefs are incompatible with the use of electronic communications may also be exempt.
Insolvency: Individuals who are subject to insolvency procedures, such as bankruptcy, may be temporarily or permanently exempt.
Non-UK Residents: Non-UK resident landlords with UK property income may have different reporting requirements, though if their UK property income exceeds the threshold, they are generally subject to MTD ITSA.

How to Apply for an Exemption

If you believe you qualify for an exemption, you must contact HMRC to apply. You cannot simply decide to be exempt. HMRC will review your circumstances and decide whether to grant the exemption.

Contact HMRC: You will need to explain why you believe you are digitally excluded or meet another exemption criterion.
Provide Evidence: HMRC may request evidence to support your claim for exemption.
Formal Decision: HMRC will issue a formal decision regarding your exemption status.

It is important to remember that exemptions are not automatic. If you are not granted an exemption and your income is above the threshold, you must comply with MTD ITSA or face penalties.

Benefits of Making Tax Digital

While the transition to MTD ITSA requires effort, it offers several benefits for both taxpayers and the tax system as a whole.

For Sole Traders and Landlords:

Reduced Errors: Digital record keeping and automated calculations significantly reduce the potential for human error in tax submissions.
Improved Financial Overview: Quarterly reporting provides a more up-to-date picture of your business's financial health, allowing for better decision-making and tax planning throughout the year.
Better Cash Flow Management: By seeing your estimated tax liability more frequently, you can set aside funds proactively, avoiding a large, unexpected tax bill at year-end.
Time Savings: While initial setup takes time, automated software can reduce the manual effort involved in year-end tax preparation.
Easier Compliance: HMRC-compatible software guides you through the process, making it simpler to meet your tax obligations.

For the UK Tax System:

Reduced Tax Gap: By reducing errors and increasing transparency, MTD aims to close the gap between tax owed and tax collected.
Modernisation: It brings the UK tax system into the digital age, aligning it with other advanced economies.
Real-time Data: HMRC gains access to more frequent data, enabling better economic analysis and forecasting.

Ultimately, MTD is designed to create a more efficient, transparent, and user-friendly tax system for everyone involved. Embracing these changes proactively can turn a compliance obligation into an opportunity for better business management.

Practical Steps to Prepare for MTD ITSA Before 6 April 2026

The deadline of 6 April 2026 may seem distant, but a smooth transition requires careful planning and preparation. Here is a step-by-step guide to ensure you are ready.

Step 1: Assess Your Eligibility and Income

Calculate Total Gross Income: Review your income from all self-employment businesses and UK property for the current and previous tax years. If it consistently exceeds £50,000, you will be mandated.
Consider Fluctuations: If your income is borderline, consider whether it is likely to stay above the threshold. Proactive preparation is often best.
Check for Exemptions: Determine if you meet any of the exemption criteria and, if so, plan to contact HMRC.

Step 2: Review Current Record Keeping Practices

Identify Gaps: Are your records currently digital? If using spreadsheets, are they robust enough, and can they be digitally linked to MTD software?
Data Granularity: Ensure you are capturing all required data points for each transaction (date, amount, type, category).
Source Documents: While not strictly required to be digital, consider how you store receipts and invoices. Digital copies can streamline reconciliation.

Step 3: Select and Implement MTD-Compatible Software

Research Options: Explore HMRC-recognised software providers. AccountsOS offers a comprehensive solution for sole traders and landlords.
Trial and Training: Take advantage of free trials and familiarise yourself with the software. Many providers offer training resources.
Data Migration: Plan how you will migrate existing data into the new software.

Timing: Register a few weeks before 6 April 2026 to allow time for HMRC confirmation.
HMRC Gateway: Ensure you have your Government Gateway credentials ready.

Step 5: Adjust Your Accounting Period (If Necessary)

If your current accounting period does not align with the tax year (5 April year-end), MTD ITSA introduces new "Period of Account" rules. Under MTD, your reporting is aligned to the tax year for quarterly updates, but you can retain your existing accounting period for your EOPS and final accounts. However, this may require additional adjustments in your software. Discuss with your accountant if changing your accounting period to 5 April would simplify your MTD compliance.

Step 6: Plan for Quarterly Submissions and Payments

Set Reminders: Mark all quarterly submission deadlines in your calendar.
Budget for Tax: Get into the habit of regularly reviewing your estimated tax liability and setting aside funds.
Review Quarterly: Use the quarterly updates as an opportunity to review your business performance and make adjustments.

Worked Example: Sole Trader MTD ITSA Reporting

Consider a freelance graphic designer, Alex, who has a gross income of £65,000 in the tax year 2026/27, exceeding the £50,000 threshold. Alex uses MTD-compatible software for quarterly reporting.

Period	Gross Income	Allowable Expenses	Net Profit (Estimated)	Submission Deadline
6 April - 5 July 2026	£15,000	£3,000	£12,000	5 August 2026
6 July - 5 October 2026	£18,000	£4,000	£14,000	5 November 2026
6 October - 5 January 2027	£17,000	£3,500	£13,500	5 February 2027
6 January - 5 April 2027	£15,000	£2,500	£12,500	5 May 2027

Throughout the year, Alex uses AccountsOS to record all income and expenses digitally. At the end of each quarter, AccountsOS automatically generates the summary figures and submits them to HMRC with a click.

After 5 May 2027, Alex will submit an End of Period Statement (EOPS) through AccountsOS by 31 January 2028. This allows for final adjustments, such as claiming capital allowances for a new computer purchased in the year, or making any accruals or prepayments.

Finally, by 31 January 2028, Alex will submit the Final Declaration, which includes the business profit from the EOPS, any other income (e.g., bank interest), and calculates the total tax due for the 2026/27 tax year. The tax payment for 2026/27 will also be due on this date, along with the first payment on account for the 2027/28 tax year.

Cash Flow and Tax Planning Under MTD

MTD ITSA fundamentally changes how businesses interact with their tax liability. The shift from an annual reckoning to quarterly updates provides a more continuous insight into your tax position, which can be leveraged for better financial planning.

Proactive Tax Provisioning

With quarterly estimates of your profits, you gain a clearer understanding of your potential tax bill much earlier in the tax year. This enables you to:

Set Aside Funds Regularly: Instead of a scramble to find a large sum for the 31 January deadline, you can allocate a portion of your profits to a separate savings account each quarter.
Avoid Cash Flow Shocks: Spreading the awareness of your tax liability across the year reduces the risk of unexpected financial strain.
Budget More Accurately: With a real-time tax estimate, your overall business budget becomes more realistic and informed.

Enhanced Business Decision-Making

The more frequent data flow from MTD software can serve as a powerful tool for business management:

Performance Monitoring: Quarterly summaries allow you to track profitability trends and identify periods of high or low performance.
Expense Optimisation: Regular review of expenses can highlight areas where costs can be reduced or managed more efficiently.
Investment Decisions: A clearer financial picture can inform decisions about investing in new equipment or expanding operations, considering the tax implications.

Working with Your Accountant

MTD ITSA changes the dynamic with your accountant. Instead of a once-a-year data dump, your accountant will have access to your up-to-date digital records throughout the year. This enables them to:

Provide Timely Advice: They can offer proactive tax planning advice based on real-time financial data, rather than historical figures.
Identify Issues Early: Any discrepancies or potential tax issues can be identified and corrected much earlier, reducing stress and potential penalties.
Streamline Year-End: With records consistently updated, the year-end process for the EOPS and Final Declaration becomes much smoother and less time-consuming.

By embracing the continuous nature of MTD ITSA, sole traders and landlords can transform their tax compliance from a reactive burden into a proactive component of sound financial management.

How AccountsOS Helps You Prepare for MTD ITSA

AccountsOS is designed to make your transition to Making Tax Digital for Income Tax Self Assessment seamless and stress-free.

HMRC-Compatible Software

Our platform is fully recognised by HMRC for MTD ITSA, ensuring your submissions meet all compliance requirements.

Automated Digital Records

Effortlessly capture and categorise all your income and expenses digitally, eliminating manual data entry and ensuring accurate records.

Simplified Quarterly Updates

Generate and submit your quarterly summaries directly to HMRC with just a few clicks, keeping you compliant with deadlines.

Real-Time Tax Estimates

See your estimated tax liability update throughout the year, helping you budget and avoid year-end surprises.

End of Period Statement (EOPS) Support

Our system helps you compile the necessary adjustments for your EOPS, preparing you for the final declaration.

Deadline Reminders

Receive automated alerts for all your MTD ITSA submission deadlines, so you never miss a date.

Frequently asked questions

What if my income drops below £50,000 after I've joined MTD ITSA?

If your qualifying income falls below the £50,000 threshold, you are not mandated to leave MTD ITSA. You can choose to continue reporting digitally, which many find simpler than reverting to traditional Self Assessment.

Can I use spreadsheets for MTD ITSA?

You can use spreadsheets for initial record keeping, but they must be digitally linked to HMRC-compatible bridging software. Manual transfer of data from spreadsheets to software is not permitted, as it breaks the digital link requirement.

What is the difference between a quarterly update, EOPS, and Final Declaration?

Quarterly updates are summaries of income and expenses. The EOPS makes accounting adjustments for each business or property. The Final Declaration combines all income sources, including non-business income, and finalises your tax liability for the year.

Do I need an accountant to comply with MTD ITSA?

You are not legally required to use an accountant, but many sole traders and landlords find their expertise invaluable for navigating MTD ITSA, especially with EOPS adjustments and complex tax situations. AccountsOS can also integrate with your accountant.

Will MTD ITSA change my tax payment dates?

No, the payment deadlines for Income Tax and National Insurance will remain the same: 31 January and 31 July each year. However, the quarterly updates will give you a clearer picture of what you owe much earlier.

What if I have both sole trade and property income?

If your combined gross income from both sources exceeds £50,000, you will need to comply with MTD ITSA for both. Your MTD software will allow you to report each income source separately.

Can I correct an error in a quarterly update?

Yes, you can submit an amended quarterly update through your MTD-compatible software. It is important to correct errors as soon as they are identified to avoid potential penalties for inaccuracies.

What happens if I start a new business after 6 April 2026?

If your new business, combined with any other existing qualifying income, is expected to exceed the £50,000 threshold, you will need to sign up for MTD ITSA and begin digital record keeping from the start of your new business.