Strong Cities works with its city members, national governments and international partners to marshal financial and in-kind resources

Since its launch in September 2015, Strong Cities has benefited from support from a range of national governments, including inter alia Australia, Canada, Denmark, the Netherlands, Norway, the United Kingdom, and the United States (including through the Departments of Homeland Security), as well as funding from the European Union (Service for Foreign Policy Instruments) through the STRIVE Cities Initiative. The Network also receives voluntary and in-kind contributions from its members, the private sector and philanthropic foundations, including inter alia Irving Goldman Family Foundation and Pittsburgh Penguins Foundation.

The Network also receives voluntary support from its members. Members such as Aurora (Colorado, USA), Berlin (Germany), Colombus (Ohio, USA), Denver (Colorado, USA), Edmonton (Ontario, Canada), Halle (Germany), Greater Manchester and London (United Kingdom), New York City (New York, USA), Oslo (Norway), The Hague (Netherlands), and the State of Victoria (Australia).