4 Day Week Companies in the United Kingdom

UK-based nonprofit advancing climate justice through innovative diplomacy, legal analysis, and policy reform with a pioneering 4-day work week.

Digitising the construction industry with innovative software and consultancy services, while creating a human-first organisation focused on team flourishing.

Developer-focused cloud platform offering production-ready Kubernetes clusters in seconds, pioneering the world's first K3s-powered managed Kubernetes service.

Revolutionizing rail travel with affordable, instant seat upgrades and a 4-day work week for every team member.

UK-headquartered next-generation energy company, owned by Marubeni Corporation, supplying and trading electricity for businesses across the UK, US and Australia and acquired Factorenergia in 2025.

Nonprofit tech company developing contactless biometric technology to ensure aid and healthcare reach the world's most vulnerable populations.

Cloud-native payments technology provider transforming financial infrastructure with real-time Payments-as-a-Service solutions for institutions worldwide.

A UK-based digital agency crafting community-driven web applications with a 4-day workweek and strong focus on work-life balance.

The British Red Cross is part of the world's largest humanitarian network, supporting people in crisis across the UK and globally through emergency response, health and social care services.

Mobile games developer behind F1 Clash and Rebel Racing, with studios in London, Dundee, and Canada. Building the most engaged automotive gaming community on mobile.

Modern CRM software provider dedicated to transforming the charity sector with innovative, user-friendly solutions and a commitment to work-life balance.

B Corp-certified sustainability consultancy with a 4-day work week.

Online literacy platform founded by teachers, using adaptive technology to improve vocabulary and reading outcomes for students aged 8-18 across UK schools.

Technology nonprofit mapping global climate laws and policies using AI, helping policymakers and researchers advance evidence-based climate action worldwide.

UK's first travel PR agency with a permanent 4-day workweek, specializing in purpose-driven campaigns for travel brands while progressing toward B Corp certification.

Performance marketing agency combining behavioral science with digital marketing, operating on a 4-day workweek with fully remote flexibility.

UK's largest long-term savings and retirement business — FTSE-100 parent of Standard Life, Phoenix Life, ReAssure and SunLife. Rebranded Phoenix Group plc → Standard Life plc in March 2026.

Environmental consultancy specializing in arboriculture, ecology, and landscape planning, working on a 4-day week to balance nature, development, and team well-being.

Vibrant UK-based sustainable clothing brand offering colourful, ethical fashion with a 30-hour workweek and remote-friendly culture.

World's largest independent cancer-research charity. UK head office in London plus institutes in Glasgow, Cambridge and London.

InsurTech pioneer offering flexible, app-based car insurance with a 4-day workweek and commitment to innovation and work-life balance.

UK energy market data company powering the data transfer at the heart of the British energy industry since 1998 — operating a 4-day work week on the 100-80-100 model since June 2023.

Cambridge-based digital agency delivering innovative design and technology solutions with a 4-day workweek culture that champions creativity and work-life balance.

UK charity funding research to beat blood cancer within a generation — Living Wage Employer with agile working, 30 days annual leave, and 5 wellbeing days.