About Us

Building the Foundations of our Society

Who We Are

Cornerstone Concilium, Inc. is the holding company of a vibrant, growing, multi-discipline engineering, architecture, management, technology, and consulting company located in San Francisco, California and Washington, D.C.

What We Do

Cornerstone provides services for complex transportation, healthcare, technology, and major capital infrastructure development projects throughout the United States.

What We Have Accomplished

Federal clients include the Department of Defense, the Department of Homeland Security and the General Services Administration. Cornerstone also serves several airports and transit agencies around the country such as the Washington Metropolitan Area Transit Authority, LA Metro and Bay Area Rapid Transit. 

National Infrastructure

Washington DC 

San Francisco 

New York 


San Jose 


Making an Impact

Wherever Cornerstone has a presence, there will be a Cornerstone Institute training and professional development program in that community.
Learn about The Anointing Institute >

Our Partners

Company Headquarters


(235) 462-3512

1234 Corner St. #1000, San Francisco, CA 93215

M-F: 8am-5pm, S-S: Closed

Contact Us