95 companies

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.

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

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

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.

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

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.

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.

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.

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

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

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

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

Chevron
66 · GoodGlobal energy leader pioneering sustainable solutions with 145+ years of innovation, offering flexible 9/80 schedules and comprehensive benefits.

Carbon ThreeSixty
64 · GoodUK composites design and manufacturing firm running a 9-day fortnight — every other Friday off, full pay.

Ethos Engineering
63 · GoodIrish MEP / sustainability engineering consultancy advertising a 9-day fortnight on their TeamTailor careers benefits page — every other Friday off.

CharlieHR
63 · GoodUK HR software for small businesses, with a permanent 9-day fortnight (every other Friday off) since 2021.

L3Harris Technologies
61 · GoodU.S. defense and aerospace contractor offering a 9/80 work schedule for most employees, with every other Friday off.

Oak Ridge National Laboratory
61 · GoodU.S. Department of Energy national lab managed by UT-Battelle, with an established 9/80 work schedule program (every other Friday off).

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

The Aerospace Corporation
61 · GoodNonprofit federally funded research and development center for the U.S. space enterprise — full-timers can opt into a 9/80 schedule with alternate Fridays off.
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: June 24, 2026
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By Location
4 Day Week Companies in the United Kingdom
337 companies
4 Day Week Companies in the United States
196 companies
4 Day Week Companies in Canada
33 companies
4 Day Week Companies in Germany
29 companies
4 Day Week Companies in Australia
22 companies
4 Day Week Companies in France
17 companies
4 Day Week Companies in the Netherlands
15 companies
4 Day Week Companies in Spain
13 companies
Frequently asked questions
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