How many employees work at Worldwide Clinical Trials?

Worldwide Clinical Trials Holdings, Inc. has approximately 3,790 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Worldwide Clinical Trials's total headcount has grown 18.2% from 3,207 employees in 2023 to 3,790 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026

Worldwide Clinical Trials is hiring

Is Worldwide Clinical Trials hiring right now?

Yes, Worldwide Clinical Trials is actively hiring. Worldwide Clinical Trials had 104 active job postings in 2026, a 89.9% decline from 2025 see job openings & hiring trends.

About Worldwide Clinical Trials's Workforce

Worldwide Clinical Trials Holdings, Inc. is a Pharmaceuticals company that employs 3,790 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 1986, the company is headquartered in Durham, North Carolina.

Worldwide Clinical Trials's workforce has grown 18.2% from 2023 to 2026, and rose 8.1% year over year in 2026. Its staff is concentrated most in the United States (40.8%), followed by Serbia (12.8%) and the United Kingdom (9.7%), with India identified as its fastest-growing location.

Worldwide Clinical Trials's largest functional groups are Finance and Operations (58.4%), Sales and Marketing (22.6%), and Engineering (19.0%), with Engineering growing fastest (up 19.1%). The average tenure is 3.0 years, and the average salary stands at $85,887, with regional medians ranging from $118,000 in Northern America to $8,000 in Southern Asia.

Worldwide Clinical Trials's active job postings fell 89.9% in 2026 to 104, with new postings per month cooling from 485 in 2023 to 72 in 2026. Overall employee sentiment is neutral but declining.

Sourced from Revelio Labs workforce data.

As of March 2026

Worldwide Clinical Trials
workforce metrics

Headcount

3.8k

8.1% YoY

Avg. Salary

$85.9k

0.4% YoY

Tenure

3.0yr

0.5yr YoY

Growth Rate

8.1%

7.5pts YoY

Hiring Rate

Attrition Rate

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Interactive chart of Worldwide Clinical Trials annual worldwide employee count from 2023 to 2026.
  • Worldwide Clinical Trials had 3,790 employees in 2026, a 8.1% increase (+295) from 2025.
  • Worldwide Clinical Trials had 3,490 employees in 2025, a 0.7% decline (-25) from 2024.
  • Worldwide Clinical Trials had 3,515 employees in 2024, a 3.5% increase (+122) from 2023.
  • Worldwide Clinical Trials had 3,393 employees in 2023, a 10.9% increase (+350) from 2022.

Worldwide Clinical Trials's total workforce has grown from 3,207 employees in 2023 to 3,790 in 2026.

Worldwide Clinical Trials Holdings, Inc. — quarterly employee count (20232026)

YearQtrEmployeesYoY ChangeYoY %
2026Q13,790+295+8.1%
2025Q43,490-25-0.7%
2025Q33,549+6+0.2%
2025Q23,486-42-1.2%
2025Q13,495+21+0.6%
2024Q43,515+122+3.5%
2024Q33,543+197+5.7%
2024Q23,528+321+9.5%
2024Q13,474+370+11.3%
2023Q43,393+350+10.9%
2023Q33,346+323+10.1%
2023Q23,207+228+7.4%

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The United States accounts for the largest share of Worldwide Clinical Trials's global workforce with approximately 41% of total employees, followed by Serbia and the United Kingdom. Worldwide Clinical Trials's headcount in India is growing fastest among its major locations, up 64.6% year over year in 2026.

Worldwide Clinical Trials employees by country — 2026

CountryEmployees% of TotalYoY %
United States1,50740.8%+6.8%
Serbia47212.8%-3.0%
United Kingdom3579.7%+6.5%
India2155.8%+64.6%
Spain1183.2%+11.0%
Poland772.1%-9.5%
Canada762.1%+2.3%
Romania732.0%+7.0%
Argentina651.7%+15.1%
Italy581.6%+5.4%

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Worldwide Clinical Trials's largest employee groups are Finance and Operations (58.4%), Sales and Marketing (22.6%), and Engineering (19.0%).

Worldwide Clinical Trials employees by department — 2026

DepartmentEmployees% of TotalYoY %
Finance and Operations2,23158.4%+1.8%
Sales and Marketing86422.6%+5.4%
Engineering72819.0%+19.1%

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Worldwide Clinical Trials's average employee salary is $85,887 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.4x the global average. Pay is lowest in Southern Asia, at a median of $8,000.

Worldwide Clinical Trials median employee salary by region — 2026 (USD)

RegionMedian Salary
Pacific Islands$127,000
Northern America$118,000
Western Europe$93,000
Northern Europe$92,000
Eastern Asia$48,000
Eastern Europe$38,000
Central and Western Asia$30,000
South-Eastern Asia$28,000
Arab States$28,000
Southern Europe$27,000
Southern America$27,000
Central America and the Caribbean$22,000
Northern Africa$12,000
Sub-Saharan Africa$11,000
Southern Asia$8,000

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Interactive chart of Worldwide Clinical Trials annual active job postings from 2023 to 2026.
  • Worldwide Clinical Trials had 104 active job postings in 2026, a 89.9% decline (-77) from 2025.
  • Worldwide Clinical Trials had 181 active job postings in 2025, a 58.3% decline (-149) from 2024.
  • Worldwide Clinical Trials had 330 active job postings in 2024, a 34.6% decline (-138) from 2023.
  • Worldwide Clinical Trials had 468 active job postings in 2023, a 71.3% increase from 2022.
  • Hiring velocity in 2026: 72 new roles/month, down from 234 in 2025 and 376 in 2024. New metric

Worldwide Clinical Trials's hiring is slowing: active job postings fell 89.9% in 2026 to 104, with new postings per month cooling from 485 in 2023 to 72 in 2026.

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Revelio Labs tracks employee sentiment across Worldwide Clinical Trials's workforce based on public professional data. Overall sentiment is neutral and has declined year over year in 2026.

Overall

NegativePositive

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How fast is Worldwide Clinical Trials growing?
In 2026, Worldwide Clinical Trials's headcount grew 8.1% to 3,790 employees, up from 3,495 in 2025.
Where are Worldwide Clinical Trials employees located?
Most Worldwide Clinical Trials employees are based in the United States (40.8% of headcount), followed by Serbia and the United Kingdom.
What is the average salary at Worldwide Clinical Trials?
The average employee salary at Worldwide Clinical Trials is approximately $85.9k per year.
How many people does Worldwide Clinical Trials hire per year?
In 2026, Worldwide Clinical Trials opened roughly 864 new roles — about 72 per month.
When was Worldwide Clinical Trials founded and where is it headquartered?
Worldwide Clinical Trials was founded in 1986 and is headquartered in Durham, North Carolina.

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