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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
1.0
Aug 24, 2025

Horrible Company

Recommend
CEO approval
Business Outlook

Pros

The work itself was rewarding

Cons

This company is horribly run and unethical at times.

5.0
Aug 21, 2025

Great place to work

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Great and varied experience; Good location: Pay and benefits good; great colleagues

Cons

Weather could be a lot better!

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Charles River Laboratories Response
6mo
Thank you for your positive feedback. We’re glad to hear you’re having a great experience and appreciate your contributions to our culture.
Viewing 112 - 114 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.