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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

77% 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
Jan 24, 2026

Okay place

Recommend
CEO approval
Business Outlook

Pros

PTO, benefits, flexibility, location, sick time

Cons

Depending on the department your day to day work changes

avatar
Charles River Laboratories Response
4mo
Thank you for the kind words. It’s great to know you’re having a positive experience—your feedback helps reinforce what we’re doing well.
1.0
Jan 24, 2026

Save yourself

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Only pro is the Water machine

Cons

- worst health benefits - no work/life balance - no support -lay offs every year - lack of training -management is clueless - only way to move up , is if you throw other people under the bus. - workload is not manageable

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Charles River Laboratories Response
4mo
We appreciate your candid feedback. We’re committed to developing strong, supportive leaders who embody our values. Your comments are valuable as we continue to invest in leadership development and accountability.
Viewing 52 - 54 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.