Quest Diagnostics reviews

3.2

50% would recommend to a friend

(5,673 total reviews)

Jim Davis

57% approve of CEO

48% positive business outlook

Quest Diagnostics has an employee rating of 3.2 out of 5 stars, based on 5,673 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 Salud industry (3.4 stars).

Reviews by job title

6K reviews
4.0
Aug 1, 2025

Great company!

Recommend
CEO approval
Business Outlook

Pros

Great company to work for with a lot of internal growth opportunities!

Cons

It becomes difficult to cross into other departments.

3.0
Jul 30, 2025

Company policy

Recommend
CEO approval
Business Outlook

Pros

Flexible timing for some teams.

Cons

School environment Micro management in all areas

Viewing 169 - 171 of 5,673 Reviews

Glassdoor has 6,064 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.