Companies
ICON plc
Employees

How many employees work at ICON?

Q: How many employees work at ICON?

ICON plc has 44,424 employees, according to Revelio Labs workforce intelligence data. The year-over-year growth rate is NaN%.

ICON plc has 44,424 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -2.6%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 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 September 2025

ICON
workforce metrics

Headcount

44.4k

Avg. Salary

$64.8k

Tenure

4.0yr

Growth Rate

-2.6%

Hiring Rate

Attrition Rate

For even more metrics data,
reach out to our sales team.

Contact Sales

Employee Headcount

Interactive chart of ICON annual worldwide employee count from 2023 to 2025.

ICON total number of employees in 2025 was 44,420.372, a 2.6% decline from 2024.
ICON total number of employees in 2024 was 44,787.749, a 2.7% increase from 2023.
ICON total number of employees in 2023 was 43,508.139, a 0.1% decline from 2022.