Does Amphastar pay their employees well?

According to anonymously submitted Glassdoor reviews, Amphastar employees rate their compensation and benefits as 2.5 out of 5. Find out more about salaries and benefits at Amphastar. This rating has decreased by 11% over the last 12 months.

How satisfied are employees working at Amphastar?

37% of Amphastar employees would recommend working there to a friend based on Glassdoor reviews . Employees also rated Amphastar 2.7 out of 5 for work life balance, 2.2 for culture and values and 2.4 for career opportunities.

What are the top reviewed jobs at Amphastar?

Quality Assurance (4) , Clinical Research Analyst (3) , Engineer (3) , QC Chemist (3) , Validation Technician (3) , Filling Operator (2) , Mechanical Engineer (2)

What are the pros of working at Amphastar according to real employee reviews?

"Good people to work with." ((in 6 reviews)); "decent benefits" ((in 6 reviews)); "coworkers were fine at first but they were only like that to bring you to their side." ((in 3 reviews)); "Growth opportunities" ((in 3 reviews)); "+ Some of the most hands on experience I've encountered as most other companies keep you pretty much isolated to one thing than let you have the opportunity to learn and develop." ((in 3 reviews))

What are the cons of working at Amphastar according to real employee reviews?

"Pay is low for industry" ((in 8 reviews)); "Some upper management is abysmal." ((in 6 reviews)); "No communication, does not want to offer raises, no work life balance." ((in 3 reviews))

Skip to content Skip to footer

Notifications

Amphastar

Amphastar Reviews

2.7

37% would recommend to a friend

(86 total reviews)

Jack Y. Zhang

49% approve of CEO

35% positive business outlook

Ratings by category

3.1

Diversity and inclusion

2.7

Work/Life balance

2.5

Compensation and benefits

2.4

Senior management

2.4

Career opportunities

2.2

Culture and values

Amphastar has an employee rating of 2.7 out of 5 stars, based on 86 company reviews on Glassdoor which indicates that most employees have an average working experience there. The Amphastar employee rating is 23% below average for employers within the Pharmaceutical and biotechnology industry (3.5 stars).

Reviews by job title

86 reviews

3.0

19 Nov 2025

Review from a former Engineer

Electrical engineer

Recommend

CEO approval

Business outlook

Pros

Very flexible, work life balance.

Cons

Technical, experience, and skill not important.

1.0

26 Sept 2025

No

Environmental technician

Recommend

CEO approval

Business outlook

Pros

Negative all bad never go

Cons

Toxic and bad all the time

3.0

8 Nov 2024

Limited Growth

Audit supervisor

Recommend

CEO approval

Business outlook

Pros

Loyalty is valued and friendly co-workers.

Cons

Not a lot of room for growth, difficult to get promotion. Unlikely to get recognized for hard work.

Viewing 1 - 3 of 86 Reviews

Top companies for "Compensation and Benefits" near you

Johnson & Johnson

4.1★Compensation and benefits

Pfizer

3.7★Compensation and benefits

Jobs at Amphastar

Quality Assurance Inspector (QA Inspector)

Pipeline Project Manager

SAP System Administrator