Making Tax Digital for Income Tax: Your 2026 Compliance Roadmap

Making Tax Digital for Income Tax: Your 2026 Compliance Roadmap

From 6 April 2026, Making Tax Digital (MTD) for Income Tax Self Assessment (ITSA) is mandatory for self-employed individuals and landlords with annual income over £50,000 from their 2024/25 tax returns. Thresholds drop to £30,000 in 2027/28 and £20,000 in 2028/29. This isn’t optional—HMRC is notifying affected taxpayers via letters sent since February 2026.

69% of accountancy firms see benefits: streamlined reporting, better bookkeeping, and improved forecasting. But challenges loom: extra time, costs, data quality, and client resistance.

Who Must Comply?

• Self-employed or landlords with >£50k combined income (2024/25 basis).
• Progressive rollout: £30k (Apr 2027), £20k (Apr 2028).
• Exempt: those below thresholds or using HMRC’s free software (limited functionality).

Core Requirements

1. Digital Records: All business records (income, expenses) in digital format or digitalised via software/scans. No more shoeboxes.
2. Quarterly Updates: Submit four summaries to HMRC per tax year (ending 5 Oct, 5 Jan, 5 Apr, 5 Jul).
3. End-of-Year Final Declaration: Replaces Self Assessment, submitted via MTD-compatible software.
4. Compatible Software: Bridging software links to HMRC via API. Free options exist, but pro software recommended for volume.

7-Step Preparation Plan

AccountingWeb outlines these steps:

1. Verify eligibility via HMRC checker.
2. Register for MTD ITSA online.
3. Choose/test MTD-ready software (e.g., Xero, QuickBooks, FreeAgent).
4. Digitise existing records—start now.
5. Train yourself/staff on quarterly processes.
6. Set up bank feeds for automation.
7. Engage your accountant early for bridging.

Penalties for Non-Compliance

Late quarterly updates: £100 fixed, then daily penalties. Final declaration late: up to £300 + 5% tax geared. HMRC offers support for first-timers, but don’t rely on it.

Other 2026 Compliance Shifts

• ID Verification (IDV): Mandatory since Nov 2025 for directors/PSCs under ECCTA. Provide docs via secure portal.
• Payroll AI Optimisation: For 2026/27, leverage AI for payroll efficiency, freeing time for advisory.
• Tax Payment Plans: HMRC consulting early 2026—no timing changes yet.

Private Equity & M&A Context

In a year of PE slowdown (36% Q1 drop per CityAM), accurate digital records are vital for due diligence in M&A. Buyers scrutinise compliance—MTD non-compliance flags risk.

Benefits Outweigh Hurdles

Digital transformation cuts errors, speeds refunds, and provides real-time insights. Firms report 20-30% admin savings long-term.

CTA: Don’t get caught out. Contact Tanous Limited today for MTD setup, software selection, and compliance audit. Mark Hendy, PE-facing CFO, ensures your books are M&A-ready.

Sources: AccountingWeb, HMRC, CityAM. Published 17 April 2026.