The United Nations initiative on Global Geospatial Information Management (UN-GGIM) plays a leading role in setting the agenda for the development of global geospatial information and promoting its use in addressing key global challenges. It provides a forum for liaison and coordination between Member States, and also between Member States and international organizations. Recognizing the importance of the Global Geodetic Reference Frame (GGRF) for science and societal applications the UN GGIM facilitated a group of interested member nations and international organisations, including the IAG, to commence cooperation on global geodesy under the auspices of the UN. This presentation will detail the achievements so far including the adoption of a UN General Assembly Resolution on Geodesy and the development of a Roadmap for the sustainability and enhancement of GGRF. It will also discuss plans for the development of an implementation plan for the GGRF Roadmap.