G4S reviews

3.4

52% would recommend to a friend

(3,737 total reviews)
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Ashley Almanza

78% approve of CEO

44% positive business outlook

G4S has an employee rating of 3.4 out of 5 stars, based on 3,737 company reviews on Glassdoor which indicates that most employees have a good working experience there. The G4S employee rating is in line with the average (within 1 standard deviation) for employers within the Administración y consultoría industry (3.7 stars).

Reviews by job title

4K reviews
2.0
Feb 9, 2026

working for g4s

Recommend
CEO approval
Business Outlook

Pros

Flexible hours Easy to do job

Cons

I do it parttime but they implemented a miss 3 posts and get fired policy Very difficult to get in touch with HR or any high up if you have issues with payroll or shift hours

4.0
Jan 28, 2026

Not the big G4S

Recommend
CEO approval
Business Outlook

Pros

Free & Convenient location & no OT

Cons

Toxic management & micromanaging MD & unhelpful colleagues & gossiping environment

Viewing 28 - 30 of 3,737 Reviews

Glassdoor has 5,055 G4S reviews submitted anonymously by G4S employees. Read employee reviews and ratings on Glassdoor to decide if G4S is right for you.