Syneos Health reviews

3.6

67% would recommend to a friend

(3,943 total reviews)

Costa Panagos

66% approve of CEO

57% positive business outlook

Syneos Health has an employee rating of 3.6 out of 5 stars, based on 3,943 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
3.0
Feb 17, 2026
Recommend
CEO approval
Business Outlook

Pros

Having a job Some employees having long standing friendships

Cons

Layoff out of nowhere with no warning Overworked no increase despite a positive performance review

3.0
Feb 16, 2026

Good - too big

Recommend
CEO approval
Business Outlook

Pros

Great benefits; great team. Flexible

Cons

Too large Too many senior leaders and less people to execute Limited promotion

Viewing 88 - 90 of 3,943 Reviews

Glassdoor has 4,860 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.