TNS Reviews

3.7

67% would recommend to a friend

(35 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 35 company reviews on Glassdoor which indicates that most employees have a good working experience there.

Reviews by job title

35 reviews
3.0
1 Oct 2016

review

Anonymous employee
Recommend
CEO approval
Business outlook

Pros

some very intelligent researchers to learn from

Cons

not so great management of people

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

Viewing 1 - 3 of 35 Reviews

Glassdoor has 51 TNS reviews submitted anonymously by TNS employees. Read employee reviews and ratings on Glassdoor to decide if TNS is right for you.