Leidos headquarters details
Location map
Open in Google MapsAll Leidos office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Reston HQ | Virginia | United States | Headquarters |
About Leidos
Leidos (New York Stock Exchange (NYSE): LDOS) is headquartered in Reston, Virginia, United States. Founded in 1969, the company operates across 5 countries with approximately 47,000 employees worldwide.
Where is Leidos's main office?
Leidos's main headquarters office is located at Reston, Virginia, Reston, Virginia 20191. This serves as the company's primary corporate address and is home to its executive leadership team.
Leidos regional offices
Beyond its headquarters in Reston, Leidos maintains 245 offices across 5 countries. Regional offices span 5 countries.
Leidos contact information
The main switchboard for Leidos headquarters can be reached at 15715266000. For investor relations, visit leidos.com/investor-relations.
What does Leidos do?
Leidos, Inc. provides information technology services. The Company offers transportation security, life sciences, critical infrastructure, smart grid, systems integration, utility planning, and commercial cyber services. Leidos serves clients worldwide.
Frequently asked questions
Where is Leidos headquarters?
Leidos's headquarters is located at Reston, Virginia, Reston, Virginia 20191, United States.
How many offices does Leidos have?
Leidos operates 245 offices across 5 countries as of 2026.
What is Leidos's corporate address?
The official corporate address is Reston, Virginia, Reston, Virginia 20191.
When was Leidos founded?
Leidos was founded in 1969 and has grown to employ approximately 47,000 people worldwide.
What is Leidos's phone number?
The main phone number for Leidos headquarters is 15715266000.