The CFF is funded by the German Federal Ministry for Economic Cooperation and Development (BMZ), the Government of the United Kingdom and the United States Agency for International Development (USAID). It is jointly implemented by Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH and the C40 Cities Climate Leadership Group.
At the project level, the CFF works with implementing partners, such as the Inter-American Development Bank (IADB) and the World Resources Institute (WRI).