Merck reviews

4.1

83% would recommend to a friend

(6,167 total reviews)
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Rob Davis

82% approve of CEO

72% positive business outlook

Merck has an employee rating of 4.1 out of 5 stars, based on 6,167 company reviews on Glassdoor which indicates that most employees have an excellent working experience there. The Merck employee rating is in line with the average (within 1 standard deviation) for employers within the Farmacéutica y biotecnología industry (3.5 stars).

Reviews by job title

6K reviews
1.0
Feb 3, 2026
Recommend
CEO approval
Business Outlook

Pros

Not everyone is bad, lots of people keep their heads down and get on with the job.

Cons

Toxic HR who are living in la la land. They all need sacking if Merck is to restore any credibility.

1.0
Jan 27, 2026

Retaliatory Culture

Recommend
CEO approval
Business Outlook

Pros

Salary, 401k benefits, comprehensive insurance

Cons

The manufacturing division (MMD) supports retaliatory practices by intentionally imbalancing workload, overloading non-favorited employees, in order to then write up and negatively review those employees per HR when they cannot perfectly handle multiple people’s workload. If you are fast tracked, you will have a good experience. If you are not, management will not seek to develop you, even if you ask for opportunities. The opportunities they provide will simply be more of the same work, which will then be used to justify not backfilling other employees, because you can absorb their workload but non of their compensation

Viewing 529 - 531 of 6,167 Reviews

Glassdoor has 8,182 Merck reviews submitted anonymously by Merck employees. Read employee reviews and ratings on Glassdoor to decide if Merck is right for you.