How many employees work at ICON?
ICON plc has 42,760 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -0.4%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About ICON
Since our foundation in Dublin, Ireland in 1990, our mission has been to help our clients to accelerate the development of drugs and devices that save lives and improve quality of life. We do this by delivering best in class information, solutions and performance, with an unyielding focus on quality at all times. We offer a full range of consulting, development and commercialisation services from a global network of offices in 53 countries. We focus our innovation on the factors that are critical to our clients – reducing time to market, reducing cost, and increasing quality – and our global team of experts has extensive experience in a broad range of therapeutic areas.
As of December 2025
ICON
workforce metrics
Headcount
42.8k
Avg. Salary
$64.3k
Tenure
3.8yr
Growth Rate
-0.4%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of ICON annual worldwide employee count from 2023 to 2025.
- ICON total number of employees in 2025 was 42,757, a 0.4% decline from 2024.
- ICON total number of employees in 2024 was 42,926, a 2.7% increase from 2023.
- ICON total number of employees in 2023 was 41,798, a 0% no change from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of ICON annual active job postings from 2023 to 2025.
- ICON active job postings in 2025 was 1,604, a 29.4% increase from 2024.
- ICON active job postings in 2024 was 1,193, a 20.7% decline from 2023.
- ICON active job postings in 2023 was 1,469, a 49.1% increase from 2022.
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Employee Sentiment
Sentiment Topics
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