The law, explained
The UK has no single "psychosocial risk" act. The duty comes from general health and safety law, applied through HSE's Management Standards and backed by workplace, equality and harassment law.
964,000workers with work-related stress, depression or anxiety, 2024/25
22.1mworking days lost to work-related stress, depression or anxiety
40.1mworking days lost to all work-related ill health and injury
£22.9bnannual cost of workplace injury and new ill health, 2023/24
Source: HSE annual statistics, published 20 November 2025. Great Britain.
Why clients are asking now
HSE has made stress and mental wellbeing a business-plan priority and has said it is investigating organisational failures to manage mental health risks, especially where several employees report work-related ill health.
30 October 2026: harassment duties tightened
Under the Employment Rights Act 2025, the duty to prevent sexual harassment is now "all reasonable steps", and employers can be liable for harassment of staff by third parties such as customers and contractors. Client-facing rooms need a plan. Read the checklist.
Reach outHave conversations with staff about how they are coping.
RecogniseSpot the signs and the causes of stress.
RespondAgree practical actions to remove or reduce the risks.
ReflectCheck whether the actions taken are working.
Make it RoutineBuild check-ins into normal business.