154 companies

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

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.

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

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

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.

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.

City of Gold Coast
68 · GoodAustralia's second-largest council - serving the Gold Coast with a 36-hour week worked over a 9-day fortnight, every second Friday off.

Holmes Miller
68 · GoodScottish architectural practice (Glasgow + London + Leeds + Guangzhou). Permanent 9-day fortnight (72-hour working fortnight) since January 2024, no reduction in pay.

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.

Cobham Ultra
67 · GoodUK defense electronics group (formerly Ultra Electronics Holdings plc, acquired by Cobham in 2022). Optional 9-day fortnight is a standard benefit across Ultra Maritime, Ultra I&C and other business units.

HLM Architects
67 · GoodUK + Dublin architecture practice (180+ ppl, 7 studios). 9-day fortnight rolled out over 2-3 years; 60% of team now on the scheme. Sheffield HQ.

CPS
67 · GoodUK Microsoft consultancy (Reading) where full-time colleagues can opt in to a 9-day fortnight on full pay.

Tails.com
67 · GoodUK personalised pet food subscription (B Corp). Permanent 9-day fortnight for all staff with no reduction in pay or leave — verbatim on current JDs.

Grant Thornton
67 · GoodGrant Thornton Australia is a leading accounting, advisory, and consulting firm offering innovative client solutions with a strong commitment to work-life balance and employee wellbeing.

Tenterfield Shire Council
67 · GoodNSW high-country council in the "Birthplace of Our Nation" — "Enjoy a 9-day fortnight" verbatim on its white-collar ads.

Ashton Fire
67 · GoodUK + Ireland fire safety engineering consultancy with 9-day fortnight, hybrid/remote working, and offices in 5 UK/Ireland cities.

Nambucca Valley Council
67 · GoodNSW Mid-North Coast council — "Fortnightly rostered day off (RDO)" verbatim on its office ads; 9-day fortnight on 35-hour indoor conditions.

Boeing
66 · GoodLeading aerospace company specializing in innovative and secure solutions.

Jet Propulsion Laboratory
66 · GoodNASA's premier robotics and space exploration center, home to Mars rovers, Voyager missions, and groundbreaking discoveries about our universe.

Livingstone Shire Council
65 · GoodCapricorn Coast council at Yeppoon — "Fortnightly RDOs - because balance matters" verbatim in its own ads; 9-day fortnight across streams.

Gympie Regional Council
65 · GoodQueensland council an hour from the Sunshine Coast — office roles come with a verbatim "Nine-day fortnight" in the benefits list.

Gladstone Regional Council
65 · GoodQueensland council advertising white-collar roles as "Permanent Full Time, 9-day fortnight" under its Better Balance, Better Benefits programme.

Carbon ThreeSixty
64 · GoodUK composites design and manufacturing firm running a 9-day fortnight — every other Friday off, full pay.
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 rank these companies
These companies are ordered by their work-life score— a 0–100 rating we calculate from each employer’s published policies, averaging 66 across the 154 companies on this page.
- Contracted hours carry the most weight — the fewer hours a full-time week actually is, the higher the score. A 40-hour week earns nothing here.
- Remote and schedule flexibility comes next: whether the role is genuinely remote, how much say you have over your hours, and whether core hours are fixed.
- Paid leave is scored above a 15-day baseline, so a statutory minimum adds nothing and a genuinely generous allowance does.
- The schedule itself can add or subtract. A genuine reduced-day week scores positively; a full-week perk such as unlimited PTO scores negatively, because it is not a reduction in hours.
Every company starts from the same baseline and is scored on the policies recorded in its profile, so a company that publishes more detail is scored more precisely. The same score appears on that company’s own page. Read the full scoring rubric →
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: August 31, 2026
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By Location
4 Day Week Companies in the United Kingdom
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4 Day Week Companies in Australia
22 companies
4 Day Week Companies in France
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