G4S reviews

3.4

52% would recommend to a friend

(3,736 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 3,736 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
Apr 21, 2026

Poor

Recommend
CEO approval
Business Outlook

Pros

Chance to work with the different diversitys of life.

Cons

Staff not trained properly and not valued, made to look guilty on performance.

5.0
Apr 17, 2026

Good job

Recommend
CEO approval
Business Outlook

Pros

Ranging demographic Good flexible hours

Cons

Repetitive work Strict rules on site

1.0
Apr 1, 2026
Recommend
CEO approval
Business Outlook

Pros

The line manager was supportive and a good fit in their role.

Cons

Not forthcoming or transparent, crooks, exploiting, discriminating, embarrassing support system. List goes on..

Viewing 10 - 12 of 3,736 Reviews

Glassdoor has 5,053 G4S reviews submitted anonymously by G4S employees. Read employee reviews and ratings on Glassdoor to decide if G4S is right for you.