The Thai Arbitration Institute (TAI) founded in 1990. It was originally named Arbitration Office under a supervision of the Ministry of Justice. According to the Constitution of the Kingdom of Thailand B.E. 2540 (1997), administrative office of the court has been separated from the Ministry of Justice. Office of the Judiciary has been constituted as an official organization independent from the Ministry of Justice and is empowered to discharge the duties of the Court of Justice pursuant to the Judicial Administration of the Court of Justice Act B.E. 2543 (2000).

Now TAI of the Office of the Judiciary is an intermediary in fostering and promoting arbitral proceedings in Thailand, providing legal consultation to both public and private sectors.  For over 27 years of experiences and expertise in handling arbitral proceedings, TAI has been trusted for reputation, neutrality and efficiency in shepherding the parties successfully through arbitration process and assisting the arbitral tribunal in carrying out proceedings with convenience, effectiveness, and legitimacy.

Because of funded by the government, TAI provides administrative services free of charge which means parties to an arbitral proceeding administered by the TAI pay no institutional fee. The parties are responsible for only the actual expenses in conducting arbitral proceedings such as expenses for delivering documents, production of media recording testimony.