How many employees work at Syneos Health?
Syneos Health, Inc. has 30,141 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -0.7%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Syneos Health
Syneos Health® (Nasdaq:SYNH) is a leading fully integrated biopharmaceutical solutions organization built to accelerate customer success. We translate unique clinical, medical affairs and commercial insights into outcomes to address modern market realities. We bring together a talented team of professionals, who work across more than 110 countries, with a deep understanding of patient and physician behaviors and market dynamics. Together we share insights, use the latest technologies and apply advanced business practices to speed our customers’ delivery of important therapies to patients. Syneos Health supports a diverse, equitable and inclusive culture that cares for colleagues, customers, patients, communities and the environment.
As of September 2025
Syneos Health
workforce metrics
Headcount
30.1k
Avg. Salary
$76.1k
Tenure
3.9yr
Growth Rate
-0.7%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Syneos Health annual worldwide employee count from 2023 to 2025.
- Syneos Health total number of employees in 2025 was 30,340.341, a 0.7% decline from 2024.
- Syneos Health total number of employees in 2024 was 29,405.656, a 7.9% decline from 2023.
- Syneos Health total number of employees in 2023 was 31,726.861, a 1.1% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Syneos Health annual active job postings from 2023 to 2025.
- Syneos Health active job postings in 2025 was 21,007, a 88.9% increase from 2024.
- Syneos Health active job postings in 2024 was 6,784, a 7.4% increase from 2023.
- Syneos Health active job postings in 2023 was 6,302, a 35.4% decline from 2022.
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Employee Sentiment
Sentiment Topics
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