How many employees work at Syneos Health?
Syneos Health, Inc. has approximately 27,353 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. Syneos Health's total headcount has declined 9.6% from 30,271 employees in 2023 to 27,353 in 2025.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026
Is Syneos Health hiring right now?
Yes, Syneos Health is actively hiring. Syneos Health had 5,744 active job postings in 2025, a 75.7% increase from 2024 — see job openings & hiring trends.
About Syneos Health's Workforce
Syneos Health, Inc. is a Biotech and Healthcare Services company that employs 27,353 people worldwide as of December 2025. It is the 3rd-largest by headcount among its peers. Founded in 1998, the company is headquartered in Morrisville, North Carolina.
Syneos Health's workforce has declined 9.6% from 2023 to 2025, down 1.2% year over year in 2025. It fell to a low of 27,353 in 2025 Q4 before recovering. Its workforce is concentrated most in the United States (31.7%), followed by India (22.2%) and South Africa (6.5%), with Argentina, its fastest-growing location.
Syneos Health's largest functional groups are Finance and Operations (52.8%), Engineering (24.7%), and Sales and Marketing (22.5%), with Engineering growing fastest (up 0.7%). Median employee tenure is 3.7 years. The average salary is $72,135, ranging from a median of $118,000 in Northern America to $10,000 in Southern Asia.
Syneos Health's active job postings rose 75.7% in 2025 to 5,744, with new postings per month climbing from 2,786 in 2023 to 3,978 in 2025. Overall employee sentiment is neutral and broadly stable.
Sourced from Revelio Labs workforce data.
As of December 2025
Syneos Health
workforce metrics
Headcount
27.4k
1.2% YoY
Avg. Salary
$72.1k
3.6% YoY
Tenure
3.7yr
0.3yr YoY
Growth Rate
-1.2%
7.7pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Syneos Health. Compare to peers, export the dataset, and access the full quarterly history.
- Syneos Health had 27,353 employees in 2025, a 1.2% decline (-330) from 2024.
- Syneos Health had 27,683 employees in 2024, a 8.9% decline (-2,589) from 2023.
- Syneos Health had 30,272 employees in 2023, a 0.9% decline (-279) from 2022.
Syneos Health's total workforce has declined from 30,271 employees in 2023 to 27,353 in 2025.
Syneos Health, Inc. — quarterly employee count (2023–2025)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2025 | Q4 | 27,353 | -330 | -1.2% |
| 2025 | Q3 | 27,701 | -350 | -1.3% |
| 2025 | Q2 | 27,830 | -1,189 | -4.2% |
| 2025 | Q1 | 27,658 | -1,994 | -7.0% |
| 2024 | Q4 | 27,683 | -2,589 | -8.9% |
| 2024 | Q3 | 28,051 | -2,631 | -9.0% |
| 2024 | Q2 | 29,019 | -1,463 | -4.9% |
| 2024 | Q1 | 29,652 | -619 | -2.1% |
| 2023 | Q4 | 30,272 | -279 | -0.9% |
| 2023 | Q3 | 30,682 | +282 | +0.9% |
| 2023 | Q2 | 30,482 | +862 | +2.9% |
| 2023 | Q1 | 30,271 | +1,464 | +5.0% |
Want to see Syneos Health's complete headcount history back to 2017, including quarterly breakdowns?
The United States accounts for the largest share of Syneos Health's global workforce with approximately 32% of total employees, followed by India and South Africa. Syneos Health's headcount in Argentina is growing fastest among its major locations, up 9.4% year over year in 2025.
Syneos Health employees by country — 2025
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 8,658 | 31.7% | -4.6% |
| India | 6,050 | 22.2% | +3.2% |
| South Africa | 1,764 | 6.5% | -0.2% |
| United Kingdom | 1,203 | 4.4% | -2.4% |
| Argentina | 799 | 2.9% | +9.4% |
| Spain | 793 | 2.9% | -1.1% |
| Serbia | 769 | 2.8% | +0.4% |
| Canada | 750 | 2.7% | -4.8% |
| China | 635 | 2.3% | +0.2% |
| Mexico | 587 | 2.2% | +7.6% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Syneos Health's largest employee groups are Finance and Operations (52.8%), Engineering (24.7%), and Sales and Marketing (22.5%).
Syneos Health employees by department — 2025
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 14,512 | 52.8% | -0.8% |
| Engineering | 6,773 | 24.7% | +0.7% |
| Sales and Marketing | 6,175 | 22.5% | -2.1% |
Compare Syneos Health's department mix to industry peers.
Syneos Health's average employee salary is $72,135 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.6x the global average. Pay is lowest in Southern Asia, at a median of $10,000.
Syneos Health median employee salary by region — 2025 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $118,000 |
| Pacific Islands | $100,000 |
| Northern Europe | $99,000 |
| Western Europe | $99,000 |
| Southern Europe | $47,000 |
| Eastern Asia | $44,000 |
| Eastern Europe | $44,000 |
| Central and Western Asia | $35,000 |
| Arab States | $31,000 |
| Southern America | $25,000 |
| Central America and the Caribbean | $24,000 |
| Sub-Saharan Africa | $20,000 |
| Northern Africa | $16,000 |
| South-Eastern Asia | $15,000 |
| Southern Asia | $10,000 |
Unlock salary by role, level, and city — and compare to Syneos Health's industry peers.
- Syneos Health had 5,744 active job postings in 2025, a 75.7% increase (+3,155) from 2024.
- Syneos Health had 2,589 active job postings in 2024, a 24.4% increase (+563) from 2023.
- Syneos Health had 2,026 active job postings in 2023, a 31.3% decline from 2022.
- Hiring velocity in 2025: 3,978 new roles/month, up from 2,312 in 2024 and 2,786 in 2023. New metric
Syneos Health's hiring is accelerating: active job postings rose 75.7% in 2025 to 5,744, with new postings per month climbing from 2,786 in 2023 to 3,978 in 2025.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across Syneos Health's workforce based on public professional data. Overall sentiment is neutral and has held steady year over year in 2025.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Biotech and Healthcare Services Companies by Employee Count
- How fast is Syneos Health growing?
- In 2025, Syneos Health's headcount shrank 1.2% to 27,353 employees, down from 27,683 in 2024.
- Where are Syneos Health employees located?
- Most Syneos Health employees are based in the United States (31.7% of headcount), followed by India and South Africa.
- What is the average salary at Syneos Health?
- The average employee salary at Syneos Health is approximately $72.1k per year.
- How many people does Syneos Health hire per year?
- In 2025, Syneos Health opened roughly 47,736 new roles — about 3,978 per month.
- When was Syneos Health founded and where is it headquartered?
- Syneos Health was founded in 1998 and is headquartered in Morrisville, North Carolina.
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