Making Tax Digital for Income Tax: UK deadlines and software guide

Who needs Making Tax Digital for Income Tax in the UK?

Making Tax Digital for Income Tax started its mandatory phase on 6 April 2026 for qualifying sole traders and landlords [1]. Eligibility depends on income sources, the relevant qualifying-income year and exemptions. Check the official criteria against your own records; the wider small-business population does not identify who must join or when.

In my published work, I describe a CRM migration from GetResponse to Klaviyo [10]. That is experience of changing business software, rather than a claim of tax expertise; the same preparation discipline starts with mapping the existing workflow.

What should you check before choosing MTD software?

Qualifying income determines your entry phase, including the threshold of over £30,000 for 2025/26 income and an April 2027 start [1]. Diagnose the reporting requirement before choosing software: identify the relevant income sources, calculate qualifying income using HMRC’s guidance and check exemptions. A familiar product name cannot establish whether its features fit your tax affairs.

How are quarterly updates different from a tax return?

Quarterly updates are income-and-expense summaries, sent every three months under HMRC’s guidance checked in 2026 [3]. Each update covers the year to date, rather than only the latest period, and is not a tax return. Build a routine for checking the records and totals before submission, then keep the annual return process separate.

The update is produced from your digital records. HMRC explains that individual receipts and invoices are not transmitted as part of these summaries [3].

A quarterly estimate can help planning, but it is not your completed annual tax calculation. Missing income information or later adjustments can change the result, so involve your tax agent where your affairs need interpretation.

Which MTD software features should you compare?

Compatible software is required for affected taxpayers from 6 April 2026 [4]. Compare support for your actual income sources, updates, annual return and accounting period before evaluating price. HMRC recognises software but does not recommend a provider, so check the product’s current capabilities and limitations rather than treating recognition as a personal recommendation.

These are approaches described in HMRC’s 2026 guidance [4], not a ranking of suppliers. Request a written feature list that matches the product tier you would buy.

Compare current subscription terms, support, data export and cancellation arrangements. Keep actual quotes in your decision record; this guide does not invent monthly prices or claim that an untested product is best for your business.

How can you prepare your business for Making Tax Digital?

An MTD action plan should connect eligibility, records and software to the next reporting deadline. For the first mandatory phase, the next quarterly update is due on 7 November 2026 [3]. Assign ownership of each task and test the workflow before submission, so an unresolved software or record-keeping problem has a clear route to resolution.

Confirm your scope

Record the relevant income sources, start year and any exemption position using HMRC’s guidance. Keep the evidence with the return information or correspondence supporting that decision.

Map the record-keeping workflow

Identify where income and expense records originate, who categorises them and who checks missing information. Agree how your agent will receive the information and report corrections.

Choose and test the software

In my published software work, I describe the GetResponse-to-Klaviyo CRM migration [10]. For MTD preparation, use that workflow mindset to map inputs, access and handoffs, while relying on HMRC and your tax agent for the tax requirements.

Assign the submission owner

Name the person who checks the totals and sends the update. Also identify a backup contact for support; a calendar reminder alone cannot fix an incomplete record.

How should you organise records and reviews between updates?

Digital records need the amount, transaction date and category under HMRC’s guidance checked in 2026 [5]. Those three fields give you a starting point for a repeatable review process. Capture records close to the transaction, investigate missing information and check corrections in the originating system before relying on the totals your software produces.

Make record capture part of the existing business routine. Agree where documents belong and how the team identifies missing receipts, unclear categories or duplicate entries.

Keep corrections traceable to the source record. HMRC describes correcting a separate record-keeping system before digitally linking the records to bridging software [5].

Which MTD deadline and exemption assumptions need checking?

Transitional penalty rules mean no penalties for missing quarterly update deadlines in the 2026/27 tax year [7]. They do not remove the digital-record and update obligations or the separate annual-return requirements. Treat the transition as time to establish a reliable process, and check exemption criteria directly instead of assuming that cost or unfamiliarity creates an exemption.

• Do not confuse a quarterly summary with the annual tax return.
• Do not assume VAT-compatible software also covers Income Tax; check its features [4].
• Do not assume that a missing HMRC letter removes your responsibility to check eligibility [1].
• Do not treat extra cost or unfamiliarity with software alone as a digitally excluded exemption [8].

For the annual return, include the other income sources and gains that HMRC requires [6]. Keep year-end review responsibilities separate from the quarterly submission routine.

What should your MTD readiness checklist contain?

A readiness checklist should connect each requirement to evidence and a named owner before the next update, due on 7 November 2026 for the first mandatory phase [3]. It should cover eligibility, records, software and submission responsibility, with a separate annual-return review. Use the checklist to expose unresolved work rather than simply record a software purchase.

• Relevant qualifying-income year and start date confirmed.
• Income sources and exemption position reviewed.
• Compatible product features matched to your circumstances.
• Record capture, categorisation and correction process agreed.
• Agent access and submission responsibilities confirmed.
• Update periods and deadlines entered in the calendar.
• Annual-return preparation and review assigned separately.

Download the MTD readiness checklist (PDF) and record the evidence beside each item.

Which MTD deadlines should you put in your calendar?

The update calendar for the first mandatory 2026/27 phase includes 7 November 2026 as the next quarterly deadline [3]. Quarterly periods are cumulative, and standard and calendar periods have different end dates but the same filing deadlines. Use the period selected in your software, then plan the annual return as a separate task.

The annual date follows HMRC’s rule of 31 January after the relevant tax year ends [6]. Enter internal preparation dates earlier than the filing deadline, without presenting them as extra legal deadlines.

Which Making Tax Digital questions do small-business owners ask?

MTD eligibility is phased, with over £50,000 qualifying income for 2024/25 triggering the April 2026 start [1]. Questions about software, quarterly updates and exemptions should be checked against the person’s actual circumstances. These answers explain the core distinctions; retain your official eligibility assessment and confirm any uncertain income treatment with your tax agent.

Does the threshold refer to business profit?

Use HMRC’s qualifying-income calculation rather than assuming the threshold means profit. Its guidance checked in 2026 uses gross self-employment and property income [2]. Identify the relevant sources and tax year, then review any special circumstances with HMRC or your tax agent before deciding which mandatory phase applies.

Can I keep using spreadsheets for MTD?

HMRC’s software guidance checked in 2026 describes bridging software that connects to existing records, including spreadsheets [4]. Check that the chosen setup supports the submissions and income sources you need. A spreadsheet alone does not establish a complete MTD workflow; confirm how the records connect to compatible software.

Do quarterly updates replace my annual tax return?

No: HMRC’s guidance checked in 2026 describes quarterly updates as summaries rather than tax returns [3]. You still need the annual-return process, including relevant adjustments and other income sources. Keep the quarterly record review, submission confirmation and year-end tax review as distinct tasks with clear ownership.

Are late quarterly-update penalties waived during the first year?

HMRC says there are no penalties for missing quarterly update deadlines for the 2026/27 tax year [7]. You still need to keep digital records and send updates before submitting the annual return. The transition does not waive every tax obligation or the separate penalties associated with a late return.

Which sources support this Making Tax Digital guide?

The official source base separates MTD rules from wider business context. DBT estimates 5.64 million UK small businesses at the start of 2025 [9], which is not a count of people mandated into MTD. HMRC guidance supports the thresholds, records and deadlines; the author profile supports only the disclosed experience of business software change.

1. HMRC: Find out if and when you need MTD — Eligibility, qualifying-income years and mandatory start dates. Tier 1.
2. HMRC: Work out qualifying income — Income-source assessment and qualifying-income calculation. Tier 1.
3. HMRC: Send quarterly updates — Cumulative summaries, periods and deadlines. Tier 1.
4. HMRC: Choose compatible software — Software features, bridging products and recognition. Tier 1.
5. HMRC: Create digital records — Record fields, timing and corrections. Tier 1.
6. HMRC: Submit your tax return — Annual return and other income sources. Tier 1.
7. HMRC: MTD penalties — Transitional quarterly-update rules and separate return obligations. Tier 1.
8. HMRC: Exemptions — Automatic, temporary and application-based exemptions. Tier 1.
9. DBT: Business population estimates 2025 — UK business context; official statistics in development, not an MTD count. Tier 1.
10. Satya Prakash Rai: Professional profile — Self-reported CRM migration experience; not tax-advice credentials. Author disclosure.

Source values were checked on 12 October 2026. Check your income sources, accounting period and circumstances against current HMRC guidance. Explore related European market research.