This book elucidates the development process of a transformative social service and the organization that grows and diffuses the social service. It features the case study of Tabung Haji, an established Malaysian homegrown organization, and specifically discusses how the organization develop its transformative hajj services that flourished over the years. The establishment of Tabung Haji is a response to the call of Malaysian society for an institution that could help the local Muslims to save money for their hajj pilgrimage in a more efficient and organized manner. The book explores the philosophies and values of a social organization, its social service, and the dimensions of a transformative social service.