ISS International Social Service (ISS) is an international non-governmental organization without political, racial, religious or nationality bias. The ISS network of national branches, affiliated bureaus and correspondents in over 100 countries facilitate communication between social services that assist individuals and families with personal or social problems whose solution requires intercountry cooperation. ISS Hong Kong Branch (ISS-HK) ISS was established in Hong Kong as a headquarters delegation in 1958. In January 1972, ISS Hong Kong was formally admitted as a Branch by the International Council of ISS and on 9th February 1973 it became locally incorporated.