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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
2.0
Jun 17, 2026
Recommend
CEO approval
Business Outlook

Pros

Decent pay comparative to other companies in the area. Not the most, but decent.

Cons

Disorganized, high turn over, work gets added to existing employees when someone leaves without plans to backfill the position.

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Charles River Laboratories Response
1w
We’re continuously working to support a healthier work-life balance for our employees. We understand that demands can vary by role and site, and we’re exploring ways to offer more flexibility and improve overall workload management.
4.0
Jun 15, 2026
Recommend
CEO approval
Business Outlook

Pros

good work environment, lots of on-the-job training with people who elevated through the same position and understand what tasks may be difficult and how to prepare individuals for success, really good benefits package including 50% employer match on first 2% and 100% match on 3% 401k

Cons

low pay for caliber of work, high workloads, mandatory work on weekends

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Charles River Laboratories Response
2w
We appreciate your honesty. Compensation and benefits are important, and we’re committed to making thoughtful, data-informed adjustments. Your feedback is a valuable part of that process.
Viewing 4 - 6 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.