Contact us

If you are interested in additional information about the Seneca Group (Seneca) or our services, we encourage you to contact us by filling out the form below or either via our contact information on the right side of the page or via email at

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The Seneca offices are conveniently located in Washington, DC in close proximity to the US Capitol and various federal agencies including the US Department of Transportation, and are within walking distance of the Washington Metro's Orange/Blue/Silver line stop at Capitol South.

Exit Capitol South and walk to the right on 1st Street. Walk one block south to Seneca's offices at 410 First Street SE, 2nd Floor.