Technical-Police Cooperation (TPC) between Portugal and the Portuguese speaking African Countries (PALOP) aims to strengthen institutional capacity and promote public security through the training of senior staff. Since 1988, the Public Security Police (PSP), through the Higher Institute of Police Sciences and Internal Security (ISCPSI), has played a key role in this process, in which the Portuguese language stands out as a key element in cooperation, facilitating the transfer of knowledge and the adoption of good practices. CTP has been formalized through bilateral agreements with Angola, Mozambique, Cape Verde, Guinea-Bissau and São Tomé and Príncipe, resulting in the training of more than 250 police officers from the PALOP countries. The experience acquired at ISCPSI has an impact on governance and policing strategies in Portuguese speaking African countries, consolidating Portugal as a relevant player in international security, contributing to the strengthening of democratic institutions and the modernization of African police forces. This cooperation unequivocally strengthens Portugal’s strategic influence in the Portuguese speaking world and promotes stability and institutional development in the PALOP countries.