C.S.M was established in 1996 and is based on the Lisburn Road, Belfast. The agency’s services include renting, selling, property management and block management in Belfast and the Greater Belfast area. C.S.M was founded by Sonia Millar, after privately investing in property. The business originated from an office in the home and with continued growth in Lettings and Block Management, offices on the Lisburn Road were opened in April 2006. Sonia also lectures tenancy management and law to new students undertaking landlords training with the Chartered Institute of Housing, is the regional representative for the NAEA and attends consultation groups with DSD, NIHE, HMO, Housing Rights & Law Society.