Kottayam Social Service Society (KSSS) is a registered charitable organization (Reg No 15/1964) under the Travancore Cochin Literary, Scientific and Charitable Society’s Registration Act XII of 1955. The organization was registered in the year 1964 by the Archdiocese for delivering its social ministry.

The activities of KSSS are spread mainly in the five districts of Kottayam, Idukki, Eranakulam, Alleppy and Pathanamthitta covering 131 rural villages. The main focus of the organization is the empowerment and improvement in the quality of the poor and other vulnerable social groups. It has four and half decades of dedicated service in the development sector and rich experience in facilitating capability building, community health, and promotion of grassroots level organizations, watershed development and other community level programs for social change and transformation. More than 20000 families are directly linked with the organization through the network of community based organizations