Making Tax Digital for ITSA (2026 UK Guide)

Making Tax Digital for Income Tax UK process and deadlines explained

Making Tax Digital for Income Tax (MTD for ITSA) – Complete Guide for UK Businesses (2026 Update)

Making Tax Digital for Income Tax Self Assessment (MTD for ITSA) is a major change introduced by HM Revenue & Customs (HMRC) that will require individuals and landlords to manage their taxes digitally and submit updates more frequently.

This guide explains exactly what MTD for ITSA is, who it applies to, and how to prepare.


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

MTD for ITSA is a system introduced by HMRC requiring taxpayers to:

  • Keep digital records of income and expenses
  • Use MTD-compatible software
  • Submit quarterly updates instead of one annual tax return

The goal is to improve accuracy and make tax reporting more efficient.


Who Needs to Comply with MTD for ITSA?

MTD for ITSA will apply to:

  • Individuals earning over £50,000 from April 2026
  • Individuals earning over £30,000 from April 2027
  • Self-employed individuals
  • Landlords with qualifying income

How Does MTD for ITSA Work?

Under MTD, the traditional annual tax return is replaced with a more frequent reporting system:

  • Quarterly updates submitted to HMRC
  • Digital record keeping throughout the year
  • Final declaration to confirm total income

What Software is Required for MTD?

You must use HMRC-approved accounting software such as:

  • Xero
  • QuickBooks
  • Sage Accounting

Spreadsheets alone are not sufficient unless connected through bridging software.


When Does MTD for ITSA Start?

Income Threshold Start Date
£50,000+ April 2026
£30,000+ April 2027

Benefits of Making Tax Digital

  • Better visibility of your finances
  • Reduced errors in tax submissions
  • Improved cash flow management
  • Easier collaboration with your accountant

Common Mistakes to Avoid

  • Leaving preparation until the deadline
  • Using non-compliant systems
  • Failing to understand quarterly reporting
  • Poor record keeping

How to Prepare for MTD for ITSA

  1. Check if your income meets the threshold
  2. Choose MTD-compatible software
  3. Start keeping digital records now
  4. Consult an accountant for guidance

How BNA Consulting Can Help

BNA Consulting supports businesses and individuals with:

  • Setting up MTD-compliant systems
  • Managing quarterly submissions
  • Ensuring full HMRC compliance
  • Providing ongoing tax support

If you are unsure about your readiness, professional guidance can help you avoid costly mistakes.


Frequently Asked Questions

What is MTD for ITSA in simple terms?

It is a system requiring individuals to keep digital records and submit tax updates quarterly.

Do I need MTD if I earn under £30,000?

No, not currently, but this may change in the future.

Can I still file annually?

No, MTD replaces the annual Self Assessment return with quarterly reporting.

Is MTD mandatory?

Yes, if you meet the income thresholds set by HMRC.