Madaster Foundation works on a global scale and has agreements with similar (not-for-profit) organization with a focus on national or local activities. The cooperation agreements with local organizations can include the use of the Madaster registered trademarks.

Organizations that have a cooperation agreement with Madaster Foundation gather on a yearly basis in an international assembly. This yearly meeting includes the supervisory activities related to Madaster Services, the appointment of Supervisory Board members and the development of knowledge, methodologies and concepts that facilitate the transition to a circular economy in the various geographies where Madaster is present.