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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)
avatar

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
Oct 28, 2025
Recommend
CEO approval
Business Outlook

Pros

They hire recent graduates with limited experience

Cons

Inconsistent schedule, extremely physically and emotionally demanding which is not reflected in the salary

1.0
Oct 28, 2025
Recommend
CEO approval
Business Outlook

Pros

You get to work independently

Cons

Company culture is not great

avatar
Charles River Laboratories Response
7mo
We’re committed to fostering a workplace culture that brings our four values to life every day (CARE, OWN, LEAD, COLLABORATE), where employees feel valued, respected, and empowered. We actively aspire to maintain this culture and recognize that while we believe this differentiates us from other companies, there is always room to grow and appreciate the feedback.
4.0
Oct 28, 2025

cleaner

Recommend
CEO approval
Business Outlook

Pros

hours pay colleagues coffee food

Cons

communication short staff flexibility audits location

Viewing 79 - 81 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.