Key facts
- The Fair Work Agency (FWA) launched on April 1, 2026, absorbing HMRC's minimum wage enforcement team and other labor abuse authority powers.
- The FWA can require employers to repay workers 200% of underpaid wages, with civil penalties of up to £20,000 per worker.
- From April 2026, the National Living Wage (NLW) increased to £12.21/hour for workers aged 21 and over, with penalties of 200% of arrears for underpayment.
- HMRC's late filing penalties for tax returns start at £100 and escalate significantly with time, potentially reaching 5% of tax due or £300 at six months.
- CIS nil return penalties were reinstated from April 6, 2026, with penalties of £100 to £300 for late submissions.
- The maximum unfair dismissal compensatory award increased to £123,543 from April 6, 2026.
UK businesses are facing a significant increase in regulatory costs in 2026, with new enforcement bodies and stricter penalties making compliance a critical financial consideration. The Fair Work Agency (FWA), launched on April 1, 2026, has become a major new enforcement body, targeting hospitality, retail, and care sectors.
The FWA's primary power allows it to demand repayment of underpaid National Minimum Wage (NMW) or National Living Wage (NLW) at 200% of the arrears, in addition to civil penalties of up to £20,000 per worker. Employers who obstruct investigations can also face public naming and reputational damage.
From April 1, 2026, the National Living Wage increased to £12.71 per hour. The abolition of Retail, Hospitality & Leisure relief on the same date also removes a cap that previously benefited businesses in these sectors. Furthermore, Statutory Sick Pay (SSP) is now payable from the first day of illness, adding an estimated three extra days of cost per sick episode at £73.95 each.
HMRC continues to operate penalty regimes for late tax filings and underpayment of the NLW. Late filing penalties start at £100 and escalate significantly over time, with interest accruing on unpaid tax. For the Construction Industry Scheme (CIS), nil return penalties were reinstated from April 6, 2026, and directors can be held personally liable for wilful failures.
Beyond direct fines, the cost of non-compliance extends to potential Employment Tribunal claims. From April 6, 2026, the maximum unfair dismissal compensatory award rose to £123,543, with no cap for whistleblowing or health and safety dismissal claims. The progressive removal of the two-year qualifying period for unfair dismissal rights means every new hire presents a potential tribunal risk from week one.
For small and medium-sized enterprises (SMEs), these costs can be substantial. A single unfair dismissal award, including legal fees, can exceed 25% of annual revenue for a business turning over £500,000. The definition of business cost is shifting, with regulatory compliance, ESG reporting, and reputational exposure becoming integral to winning work, pricing projects, and accessing capital.