O2 Reviews

3.4

47% would recommend to a friend

(1,294 total reviews)
avatar

Lutz Schüler

32% approve of CEO

32% positive business outlook

O2 has an employee rating of 3.4 out of 5 stars, based on 1,294 company reviews on Glassdoor which indicates that most employees have a good working experience there. The O2 employee rating is in line with the average (within 1 standard deviation) for employers within the Telecommunications industry (3.6 stars).

Reviews by job title

1K reviews
5.0
Oct 14, 2025

Job

Recommend
CEO approval
Business outlook

Pros

Networking, having fun, chatting, talking, seeing people

Cons

during school, stressful, hard to manage,

Viewing 1 - 3 of 1,294 Reviews

Glassdoor has 1,423 O2 reviews submitted anonymously by O2 employees. Read employee reviews and ratings on Glassdoor to decide if O2 is right for you.