This guide is part of the Lex Mundi Guides to Doing Business series which provides general information about legal and business infrastructures in jurisdictions around the world. You can download the Business Guide of Thailand here.
Starting a business in Thailand handbook prepared by Ministry of Foreign Affairs is also very helpful, primarily with legal and management issues involved with establishing a business entity in Thailand. Details are provided on tax policy, trade and investment incentives, labour laws and immigration policy, industrial licensing, and intellectual property rights. This can be downloaded here.