Avantor reviews

2.9

40% would recommend to a friend

(1,284 total reviews)

Emmanuel Ligner

41% approve of CEO

31% positive business outlook

Avantor has an employee rating of 2.9 out of 5 stars, based on 1,284 company reviews on Glassdoor which indicates that most employees have an average working experience there. The Avantor 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

1K reviews
2.0
Mar 27, 2026
Recommend
CEO approval
Business Outlook

Pros

Easy Job Lots of down time Pay is fine for the amount of work

Cons

Office politics feel like high school cliques Everyone gossips Took away pensions Mediocre benefits Underqualified "Yes Men" get promotions over people who actually work Site Supervisor is MIA every day.

Viewing 28 - 30 of 1,284 Reviews

Glassdoor has 1,444 Avantor reviews submitted anonymously by Avantor employees. Read employee reviews and ratings on Glassdoor to decide if Avantor is right for you.