The Space Security Index is a research partnership between several academic, governmental, and non-governmental organizations, who together make up the consortium, Spacesecurity.org. Partners include the Institute of Air and Space Law at McGill University, the Secure World Foundation, Project Ploughshares, the Simons Centre for Disarmament and Non-Proliferation Research at the University of British Columbia, and the Space Generation Foundation, in cooperation with the International Security Research and Outreach Programme of the Department of Foreign Affairs and International Trade Canada. Jessica West of Project Ploughshares is the project manager and primary contact person.

The project is made possible through the generous support of the Department of Foreign Affairs and International Trade Canada, the Secure World Foundation, the Ploughshares Fund, and The Simons Foundation.