The UK government’s latest estimate for the 2023-24 tax year reveals a £46.8 billion tax gap, representing 5.3% of total tax due, with small businesses contributing the largest share.
This growing challenge in tax compliance highlights the need for increased enforcement and digital transformation to ensure fairness and support public services.
Understanding the Tax Gap
The UK’s tax gap has risen from 4.8% (£39.8 billion) in 2022-23 to 5.3% (£46.8 billion) in 2023-24, indicating increasing challenges in tax compliance.
Small businesses are responsible for a significant portion of this gap, accounting for 60%, while Corporation Tax contributes 40%.
The government aims to address this issue by raising an additional £7.5 billion through measures such as increased HMRC staffing and the Making Tax Digital programme.
Impact on Small Businesses
Small businesses face heightened scrutiny due to their substantial contribution to the tax gap. Compliance support and enforcement are crucial in this sector to ensure fair taxation practices and reduce non-compliance risks.
The introduction of Making Tax Digital for Income Tax in 2026 will require many taxpayers to adopt new digital reporting methods, potentially affecting financial planning and operations.
Government Initiatives
- The Making Tax Digital initiative is expected to generate nearly £6 billion in additional revenue by reducing errors and improving reporting.
- A £1.7 billion funding allocation will support hiring 5,500 new compliance staff and 2,400 debt management staff at HMRC.
- Behavioural causes like failure to take reasonable care (31%), error (15%), and evasion (14%) are key contributors to the tax gap.
International Perspective
The UK’s approach to addressing its tax gap positions it as a leader in international tax administration reform.
The comprehensive methodology used by HMRC has been praised globally, influencing other countries’ policies amid rising global concerns about tax gaps post-pandemic.
However, increased enforcement may impact foreign businesses operating within the UK, potentially affecting investment decisions.
Industry Reactions
- James Murray MP emphasized that unpaid taxes burden honest taxpayers and public services.
- While many welcome increased digitalization and enforcement efforts, some small business groups express concern over administrative burdens.
- The expansion of Making Tax Digital reflects a broader push towards digital transformation across UK businesses.
Additional Reading
Bottom Line
The UK’s efforts to close its growing tax gap highlight both challenges and opportunities for businesses and taxpayers alike.
While increased compliance measures may pose difficulties for some sectors, they also promise improved fairness in taxation and enhanced public service funding—benefiting society as a whole through more equitable resource distribution.
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Sources: UK Government, House of Commons Library, TaxWatch UK, HM Revenue & Customs and James Murray MP.
Prepared by Ivan Alexander Golden, Founder of THX News™, an independent news organization delivering timely insights from global official sources. Combines AI-analyzed research with human-edited accuracy and context.






