Contact Us

Something you've read about us - or heard about us - has sparked your interest. We're flattered.

The vision and expertise we're bringing to solve the toughest problems in security is unique. So whether you have a question, want to see or demo, or just have something to share, use the form below. Or do it the old-fashioned way and call.

If you need immediate emergency assistance, go to Emergency Incident Response


Fidelis Offices

Customer Support
Washington DC Office Fidelis Cybersecurity
4500 East West Highway, Suite 400
Bethesda, MD 20814
Boston Office Fidelis Cybersecurity
​1601 Trapelo Road, Suite 202
Waltham, MA 02451
    Public Relations
    EMEA HQ-UKFidelis Cybersecurity
    8 Ancells Court, Ancells Business Park
    Fleet, Hampshire GU51 2UY
    DACH Region
    Central and Eastern Europe
    Middle East 
    Asia Pacific