The Foreign Business Act limits to the business activities a 100% foreign owned company can undertake. So the options are limited as either one needs to sought for Thai Shareholders or apply for a BOI promotion obtained in order for a company to legally operate.    Foreigners are generally allowed to invest in the following business entities:   By a Thai Company Limited with Thai majority own. Learn More  By foreign majority own with Foreign Business License (FBL). Learn More • By foreign majority own with an exception of FBL i.e. BOI, Learn More