TNS Reviews

3.7

67% would recommend to a friend

(36 total reviews)
avatar

Christine Schreiner

100% approve of CEO

54% positive business outlook

TNS has an employee rating of 3.7 out of 5 stars, based on 36 company reviews on Glassdoor which indicates that most employees have a good working experience there.

Reviews by job title

36 reviews
5.0
31 Jan 2026

Head of Human Resources

Recommend
CEO approval
Business outlook

Pros

People oriented , drive careers

Cons

Exhausting, time consuming and no time for anything else

3.0
16 Jul 2025

Ok

Recommend
CEO approval
Business outlook

Pros

Pay good salaries better than some

Cons

Senior management don't really care about staff

Viewing 1 - 3 of 36 Reviews

Glassdoor has 52 TNS reviews submitted anonymously by TNS employees. Read employee reviews and ratings on Glassdoor to decide if TNS is right for you.