The United Micronations Multi-Oceanic Archipelago (UMMOA) does not support any external or foreign organisations besides specialist organisations that can help the UMMOA fulfil its national missions.
The UMMOA has four national missions:
In order to help fulfil the UMMOA's mission to preserve the Earth as a perfect environment for human beings to grow in harmony with the natural environment, the UMMOA has become a supporter of The Good Project, Focus Fusion, and The Ocean Cleanup.
In order to help fulfil the UMMOA's mission to preserve as much linguistic diversity as is practical, culturally desirable, and economically feasible, the UMMOA has become an official body member of the Foundation for Endangered Languages.
UMMOA institutions also sponsor the following organisations:
The Fifth World Community (5WC) is also on Foursquare, and registered as a real and land-based municipality:
Both Intermicronational World and the Cesidian Church are also observer organisations of Paradiplomatic Affairs (PDA), a multi-disciplinary professional, paradiplomatic, and alternative standards agency of the UMMOA. Both the Ryamecah Confederation and Hernici Tribe are also recognised sedentary groups of Paradiplomatic Affairs (PDA).