Leidos headquarters details
- City
- Reston
- State / region
- Virginia
- ZIP / postal code
- 20191
- Country
- United States
- Phone
- +1 571 526 6000
- Founded
- 1969
- Website
- leidos.com
- Stock
- NYSE: LDOS
- linkedin.com/company/leidos
Location map
Open in Google MapsAll Leidos office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Reston HQ | Virginia | United States | Headquarters |
Showing the headquarters of 245 recorded locations. See every location in GraphIQ →
About Leidos
Leidos (NYSE: LDOS) is headquartered in Reston, Virginia, United States. Founded in 1969, the company has 245 recorded locations across 5+ countries and employs approximately 47,000 people worldwide.
Where is Leidos's main office?
Leidos's main headquarters office is located at Reston, Virginia 20191, United States. This is the company's primary corporate address.
Leidos regional offices
Beyond its headquarters in Reston, Leidos has recorded locations in United States, Australia, Belgium, The Netherlands and United Kingdom.
Leidos contact information
The main switchboard for Leidos headquarters can be reached at +1 571 526 6000. Official website: leidos.com.
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.
Leidos competitors & similar companies
Frequently asked questions
Where is Leidos headquarters?
Leidos's headquarters is located at Reston, Virginia 20191, United States.
How many offices does Leidos have?
GraphIQ records 245 locations for Leidos across 5+ countries, as of October 2026.
When was Leidos founded?
Leidos was founded in 1969 and employs approximately 47,000 people.
What is Leidos's phone number?
The main phone number for Leidos headquarters is +1 571 526 6000.
How many employees does Leidos have?
Leidos has approximately 47,000 employees (GraphIQ estimate, 2026).
Is Leidos a public company?
Yes. Leidos is publicly traded on NYSE under the ticker LDOS.