Syneos Health reviews

3.6

67% would recommend to a friend

(3,947 total reviews)

Costa Panagos

65% approve of CEO

56% positive business outlook

Syneos Health has an employee rating of 3.6 out of 5 stars, based on 3,947 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Syneos Health 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

4K reviews
4.0
Sep 28, 2025
Recommend
CEO approval
Business Outlook

Pros

Fair pay Great communication with LMs

Cons

No work life balance. Demanding working hours

1.0
Sep 24, 2025

Declining culture + toxic management

Recommend
CEO approval
Business Outlook

Pros

Unlimited PTO and WFH flexibility

Cons

Unprofessional behavior from management, very little support for staff, unstable and toxic culture.

Viewing 202 - 204 of 3,947 Reviews

Glassdoor has 4,866 Syneos Health reviews submitted anonymously by Syneos Health employees. Read employee reviews and ratings on Glassdoor to decide if Syneos Health is right for you.