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 Salud industry (3.4 stars).

Reviews by job title

6K reviews
2.0
Mar 23, 2026

Sweat shop

Recommend
CEO approval
Business Outlook

Pros

One thing I liked was the flexible schedule

Cons

Everybody calls it a sweat shop. It's true. I hear some departments got better after middle management changes but I still found the workload impossible.

3.0
Mar 17, 2026

Quest

Recommend
CEO approval
Business Outlook

Pros

Many open shifts and positions. Pay is competitive.

Cons

Many problematic employees and some managers. More focus on quantity than quality.

Viewing 31 - 33 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.