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Charles River Laboratories

Engaged Employer

Charles River Laboratories reviews

3.1

49% would recommend to a friend

(2,372 total reviews)
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Birgit Girshick

66% approve of CEO

33% positive business outlook

Charles River Laboratories has an employee rating of 3.1 out of 5 stars, based on 2,372 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Charles River Laboratories employee rating is in line with the average (within 1 standard deviation) for employers within the Pharmaceutical & Biotechnology industry (3.5 stars).

Reviews by job title

2K reviews
3.0
Aug 26, 2025

Beware

Recommend
CEO approval
Business Outlook

Pros

At the time great people Great incentives Additional hours if you wanted

Cons

Insensitive staff to mental health needs An expectation to do additional work outside of your job description

3.0
Aug 25, 2025

Decent

Recommend
CEO approval
Business Outlook

Pros

Good benefits, lots of training

Cons

Toxic work environment, workload is intense at times, very high turnover rate for techs

2.0
Aug 25, 2025

Site Closure

Recommend
CEO approval
Business Outlook

Pros

Benefits package was pretty good. Good flexibility/WFH

Cons

Poor management decisions. They laid a bunch of people off and then a few months later, announced that the site was going to close

Viewing 109 - 111 of 2,372 Reviews

Glassdoor has 2,663 Charles River Laboratories reviews submitted anonymously by Charles River Laboratories employees. Read employee reviews and ratings on Glassdoor to decide if Charles River Laboratories is right for you.