UNITAR was working with all the organizations that were part of UNAIDS and it had developed special ties with the World Health Organization, with the United Nations Development Programme, at the level of the field offices, and with the World Bank, which was considering becoming involved in financing of the programme.
Il coopère avec toutes les organisations qui font partie d'ONUSIDA et a noué des liens particulièrement étroits avec l'Organisation mondiale de la santé, le Programme des Nations Unies pour le développement (au niveau des bureaux extérieurs) et la Banque mondiale, qui envisage de participer au financement du programme.