Quest Diagnostics reviews

3.2

52% would recommend to a friend

(5,665 total reviews)

Jim Davis

58% approve of CEO

49% positive business outlook

Quest Diagnostics has an employee rating of 3.2 out of 5 stars, based on 5,665 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Quest Diagnostics employee rating is in line with the average (within 1 standard deviation) for employers within the Atención médica industry (3.4 stars).

Reviews by job title

6K reviews
4.0
Apr 3, 2026
Recommend
CEO approval
Business Outlook

Pros

The teams are great, Management is generally aligned with productivity and the overall good of the company. Lots of friendly and helpful coworkers.

Cons

Working in a large company will always come with large company process and problems.

Viewing 25 - 27 of 5,665 Reviews

Glassdoor has 6,056 Quest Diagnostics reviews submitted anonymously by Quest Diagnostics employees. Read employee reviews and ratings on Glassdoor to decide if Quest Diagnostics is right for you.