The Cooperative League of Thailand (CLT), established according to Cooperative Act in 1968, as the national apex body of the Cooperative Movement in the country. It has affiliates of 7,448 cooperatives at all levels serving over 9.8 million households. The CLT plays a major role in the area of cooperation, promotion and development of the cooperatives in Thailand to help and promote sustainable development of Thai cooperatives.

The organisational structure of the CLT is administered by the General Meeting of Cooperative Representatives, Board of Directors, and Executive Director, two Deputy Executive Directors. There are five bureaus serving the CLT activities – office of the Director, Cooperative Training Institute, CLT Coop Training Centre, Technical and Propagation Bureau, and Cooperative Promotion and Development Bureau.

The National Co-operative Development Board (NCDB) has been set up to advise the government concerning policies and guidelines for promotion and development of co-operatives. NCDB has assigned steering committee mainly from CPD, CAD, and CLT to design framework and policy for development of co-operatives.