How many employees work at ICON?
ICON plc (ICLR) has approximately 40,257 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. ICON’s total headcount has declined 0.1% from 40,300 employees in 2023 to 40,257 in 2026.
Is ICON hiring right now?
Yes, ICON is actively hiring. ICON had 1,504 active job postings in 2026, a 25.7% increase from 2025 — see job openings & hiring trends.
About ICON’s Workforce
ICON plc (ICLR) is a Biotech and Healthcare Services company that is based in Dublin, Ireland, founded in 1989, and trades on the NASDAQ. It employs 40,257 people worldwide as of March 2026 and sits as the 3rd-largest by headcount among its peers.
ICON's workforce has remained largely stable from 2023 to 2026, edging down 0.6% year over year in 2026. It reached a low of 39,649 in 2025 Q2 before rebounding. The geographic mix shows the United States accounting for 22.9% of headcount, followed by India at 19.8% and the United Kingdom at 6.6%, with Spain identified as its fastest-growing location.
ICON's largest groups by function are Finance and Operations at 54.8% of headcount, Sales and Marketing at 23.9%, and Engineering at 21.3%, with Finance and Operations also the fastest-growing at 1.7% year over year. The average tenure is 3.6 years, and the global average salary stands at $62,561, with regional medians of $104,000 in Northern America and $7,000 in Southern Asia.
ICON's hiring activity shows an uptick, with postings up 25.7% year over year in 2026 Q1, totaling 1,504 postings. New postings per month have declined from 1,687 in 2023 to 1,133 in 2026. Overall employee sentiment remains neutral and has been trending downward.
Sourced from Revelio Labs workforce data.
- Ticker
- NASDAQ: ICLR
- Headquarters
- Dublin, Ireland
- Founded
- 1989
- Industry
- Biotech and Healthcare Services
- Employees
- 40,257
- YoY
- -0.6% (-143)
As of March 2026
ICON workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for ICON. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsICON Annual Employee Count (2023-2026)
- ICON had 40,257 employees in 2026, a 0.6% decline (-143) from 2025.
- ICON had 40,218 employees in 2025, a 1.3% decline (-988) from 2024.
- ICON had 41,206 employees in 2024, a 0.3% increase (+961) from 2023.
- ICON had 40,245 employees in 2023, a 0.1% decline (+350) from 2022.
ICON's total workforce has grown from 39,649 employees in 2025 to 40,257 in 2026. ICON's headcount peaked at 41,277 in 2024 before declining in 2025 and recovering through 2026.
ICON plc quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 40,257 | -143 | -0.6% |
| 2025 | Q4 | 40,218 | -988 | -1.3% |
| 2025 | Q3 | 39,859 | -1,418 | -1.9% |
| 2025 | Q2 | 39,649 | -1,222 | -2.0% |
| 2025 | Q1 | 40,400 | -72 | -0.6% |
| 2024 | Q4 | 41,206 | +961 | +0.3% |
| 2024 | Q3 | 41,277 | +898 | +0.4% |
| 2024 | Q2 | 40,871 | +571 | +0.1% |
| 2024 | Q1 | 40,472 | +481 | +0.1% |
| 2023 | Q4 | 40,245 | +350 | -0.1% |
| 2023 | Q3 | 40,379 | +598 | +0.5% |
| 2023 | Q2 | 40,300 | +928 | +1.1% |
See ICON's complete headcount history, including quarterly breakdowns.
Get the DataICON Employee Count by Country and Region (2026)
The United States accounts for the largest share of ICON's global workforce with approximately 23% of total employees, followed by India and the United Kingdom. ICON's headcount in Spain is growing fastest among its major locations, up 3.1% year over year in 2026.
ICON employees by country
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 9,000 | 22.9% | -0.6% |
| India | 7,800 | 19.8% | +1.3% |
| United Kingdom | 2,604 | 6.6% | +0.1% |
| Mexico | 2,034 | 5.2% | +2.9% |
| Poland | 1,668 | 4.2% | -0.1% |
| Ireland | 1,515 | 3.8% | +0.3% |
| China | 1,302 | 3.3% | +0.3% |
| Spain | 1,148 | 2.9% | +3.1% |
| France | 1,006 | 2.6% | -0.8% |
| Germany | 855 | 2.2% | -4.9% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataICON Employee Count by Department (2026)
ICON's largest employee groups are Finance and Operations (54.8%), Sales and Marketing (23.9%), and Engineering (21.3%).
ICON employees by department
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 21,840 | 54.8% | +1.7% |
| Sales and Marketing | 9,518 | 23.9% | +0.4% |
| Engineering | 8,476 | 21.3% | -0.2% |
Compare ICON's department mix to industry peers.
See Full DataICON Employee Salary by Region (2026)
ICON's average employee salary is $62,561 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.7x the global average. Pay is lowest in Southern Asia, at a median of $7,000.
ICON median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Northern America | $104,000 |
| Pacific Islands | $80,000 |
| Northern Europe | $79,000 |
| Western Europe | $79,000 |
| Southern Europe | $48,000 |
| Arab States | $43,000 |
| Eastern Asia | $37,000 |
| Sub-Saharan Africa | $33,000 |
| Eastern Europe | $31,000 |
| Central and Western Asia | $29,000 |
| South-Eastern Asia | $19,000 |
| Southern America | $19,000 |
| Central America and the Caribbean | $18,000 |
| Northern Africa | $15,000 |
| Southern Asia | $7,000 |
Unlock salary by role, level, and city — and compare to ICON's industry peers.
Unlock Salary DataICON Job Openings and Hiring Trends (2023-2026)
- ICON had 1,504 active job postings in 2026, a 25.7% increase (-279) from 2025.
- ICON had 1,783 active job postings in 2025, a 27.7% increase (+434) from 2024.
- ICON had 1,349 active job postings in 2024, a 5.6% decline (-78) from 2023.
- ICON had 1,427 active job postings in 2023, a 43.7% increase from 2022.
- Hiring velocity in 2026: 1,133 new roles/month, down from 1,446 in 2025 and 1,123 in 2024.
ICON's active job postings rose 25.7% in 2026 to 1,504, with new postings per month cooling from 1,687 in 2023 to 1,133 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataICON Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across ICON's workforce based on public professional data. Overall sentiment is neutral and has declined year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
Similar Biotech and Healthcare Services Companies by Employee Count
Frequently Asked Questions About ICON
- How fast is ICON growing?
- In 2026, ICON's headcount shrank 0.6% to 40,257 employees, down from 40,400 in 2025.
- Where are ICON employees located?
- Most ICON employees are based in the United States (22.9% of headcount), followed by India and the United Kingdom.
- What is the average salary at ICON?
- The average employee salary at ICON is approximately $62.6k per year.
- How many people does ICON hire per year?
- In 2026, ICON opened roughly 13,596 new roles — about 1,133 per month.
- When was ICON founded and where is it headquartered?
- ICON was founded in 1989 and is headquartered in Dublin, Ireland.
Speak with a workforce expert about ICON.
Book a DemoSee something that doesn't look right? Reach out and our team will review it.