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Contact Us

We encourage you to contact us via the online resources listed below for a quick response. Have a general question concerning Leidos, but don’t know who to contact? Call us at (703) 676-4300.

Working with Leidos    


Voice a Concern    
Voice a Concern (800) 760-4332

Feedback and Outreach    

Former Employees    

Investors and Stockholders    

Address and Locations

Our corporate headquarters is located in McLean, VA.

Leidos, Inc.
1710 SAIC Drive
McLean, VA 22102
(703) 676-4300

View other locations or explore the Leidos family of companies.