ICON headquarters details
- Street address
- Leopardstown
- City
- Dublin
- State / region
- Leinster
- ZIP / postal code
- 18
- Country
- Ireland
- Phone
- +353 1 291 2000
- Founded
- 1990
- Website
- iconplc.com
- Stock
- NASDAQ: ICLR
- linkedin.com/company/icon-plc-2
Location map
Open in Google MapsAll ICON office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Dublin HQ | Leinster | Ireland | Headquarters |
Showing the headquarters of 161 recorded locations. See every location in GraphIQ →
About ICON
ICON (NASDAQ: ICLR) is headquartered in Dublin, Leinster, Ireland. Founded in 1990, the company has 161 recorded locations across 24+ countries and employs approximately 39,800 people worldwide.
Where is ICON's main office?
ICON's main headquarters office is located at Leopardstown, Dublin, Leinster 18, Ireland. This is the company's primary corporate address.
ICON regional offices
Beyond its headquarters in Dublin, ICON has recorded locations in Ireland, Argentina, Australia, Belgium, Brazil, Canada, Chile, Czechia and 16 other countries.
ICON contact information
The main switchboard for ICON headquarters can be reached at +353 1 291 2000. Official website: iconplc.com.
What does ICON do?
ICON PLC provides contract clinical research services to the global pharmaceutical industry. The Company manages clinical studies in addition to providing data management, regulatory, and central laboratory services. ICON currently operates offices in multiple countries.
ICON competitors & similar companies
Frequently asked questions
Where is ICON headquarters?
ICON's headquarters is located at Leopardstown, Dublin, Leinster 18, Ireland.
How many offices does ICON have?
GraphIQ records 161 locations for ICON across 24+ countries, as of October 2026.
What is ICON's corporate address?
The corporate headquarters address is Leopardstown, Dublin, Leinster 18, Ireland.
When was ICON founded?
ICON was founded in 1990 and employs approximately 39,800 people.
What is ICON's phone number?
The main phone number for ICON headquarters is +353 1 291 2000.
How many employees does ICON have?
ICON has approximately 39,800 employees (GraphIQ estimate, 2026).
Is ICON a public company?
Yes. ICON is publicly traded on NASDAQ under the ticker ICLR.