The agency was established in 1954 by Rev. H. L. Siu with the assistance of Rev. J. E. Morrison. They started the evangelization ministry in Hong Lok Sun Chuen by first operating learning classes for children on Bible and Chinese. It has then been expanded into the fields of education and social services, covering the area of Wong Tai Sin, Tung Tau Estate, Wang Tau Hom, Ngau Tau Kok, Diamond Hill and other districts in Kowloon and New Territories. The Pentecostal Church of Hong Kong was officially registered as a charitable non-profit making organization in 1964.