60 companies

City of Moreton Bay
69 · GoodDelivering sustainable services to enhance the lifestyle of Moreton Bay residents.

Hoare Lea
69 · GoodLeading independent engineering consultancy specializing in MEP, environmental, and sustainability services.

Parsons Corporation
68 · GoodUS engineering and technology firm building defense, intelligence, and critical-infrastructure solutions — ~18,000 employees with a 9/80 every-other-Friday-off work schedule for eligible US employees.

United Launch Alliance
68 · GoodUS space-launch services joint venture (Boeing + Lockheed Martin) — Atlas, Delta, and Vulcan rocket families with a 9/80 workweek (every other Friday off) for most employees.

Dolby
67 · GoodDolby transforms sight and sound into spectacular experiences through innovative audio and visual technologies like Dolby Atmos and Dolby Vision, serving entertainment and beyond.

Stanley Consultants
61 · Good100% employee-owned engineering and consulting firm delivering infrastructure, energy, and environmental solutions across 120+ countries since 1913.

Clive Owen LLP
61 · GoodAward-winning Chartered Accountants and Business Advisers, one of the largest independent firms in the North East of England. Offices in Darlington, Durham, York, Middlesbrough, and Newcastle. 9-day fortnight with every other Friday off.

Battersea Dogs & Cats Home
61 · GoodIconic UK animal rescue charity since 1860. Rescues, rehabilitates, and rehomes dogs and cats from three centres across London and the South East. Operates a 9-day fortnight.

General Dynamics UK
58 · GoodOne of the UK's leading defence companies delivering C4I communications, armoured fighting vehicles, and avionic systems for the British Armed Forces and allies worldwide.
DOF
58 · GoodDOF is a company committed to innovation and excellence, fostering a workplace culture that values employee well-being and work-life balance.

Giant Peach
75 · GreatDynamic digital agency specializing in Shopify and transformative digital experiences, offering a 9-day fortnight and remote-first culture.

Corvidae
71 · GreatAI technology company transforming data into strategic insights, offering a 9-day fortnight, remote-first flexibility, and comprehensive development programs.

9fin
69 · GoodLeading fintech company transforming debt capital markets with AI-powered insights, trusted by top investment banks and asset managers worldwide.

AWE
69 · GoodAWE is the UK's nuclear warhead research and development organization, providing critical national security capabilities with a 9-day fortnight work pattern.

Brain in Hand
69 · GoodDigital mental health platform combining smart technology with human coaching to support autistic and ADHD people, offering a 9-day fortnight and 36-hour full-time week.

Geoteric
69 · GoodEdinburgh-based AI seismic interpretation software company revolutionizing subsurface visualization for the energy industry's journey to Net Zero.

Imosphere
69 · GoodDeveloping tools to support the transformation of education, health, and social care.

Machines With Vision
69 · GoodTransforming rail maintenance with advanced mapping and positioning solutions.

Music Vine
69 · GoodMusic Vine is a leading music licensing platform empowering content creators with high-quality, fairly-priced tracks while supporting independent artists.

QBE Insurance Group
69 · GoodGlobal insurer with 135+ years of experience, operating in 28 countries and offering comprehensive insurance solutions with flexible work arrangements including 9-day fortnights.

QueryClick
69 · GoodIndependent digital marketing agency and SaaS provider offering 9-day fortnights, remote-first flexibility, and exceptional work-life balance since 2008.

Reaction Engines
69 · GoodPioneering aerospace technologies for high-speed flight and space access.

DOF Group
68 · GoodLeading provider of integrated offshore services globally.

Leidos
68 · GoodUS Fortune 500 defense, intelligence, civil, and health technology firm — 9/80 schedule offered on specific National Security Sector programs (filter restricts ingestion to roles where this is documented).
How a 9 day fortnight works
Every other Friday off
- Work 9 days every 2 weeks instead of 10
- Every other Friday (or Monday) is off
- Same total hours per fortnight — just rearranged
- Popular in engineering, science, and government roles
How we curate this list
We track companies that publicly offer reduced-hours schedules — 4-day weeks, 9-day fortnights, half-day Fridays, and more. This page refreshes daily; companies that drop the policy are removed. Read about our editorial standards →
Last reviewed: May 9, 2026
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4 Day Week Companies in the United Kingdom
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