The London Sevashram Sangha is a spiritual brotherhood of sannyasis (monks), selfless workers (volunteers) and members (devotees) dedicated to the service humanity.

It is a branch of Bharat Sevashram Sangha, an all-India and international organisation with its head office in Calcutta, India.  The London Sevashram Sangha was founded in 1961 by Swami Purnandaji Maharaj.   

It is a registered charity and is non-sectarian, non-communal and non-political in outlook.