One Start One Stop Investment Center (OSOS)

Thailand Offers Investors Comprehensive Services at One Location

Thailand's Investment promotion regime has long been among the most successful in Asia due to consistent government policies that support the private sector as the engine of growth.

The One Start One Stop Investment Center or OSOS started its operation in November 2009. Its presence offers investors greater convenience in dealing with multiple agencies located throughout Bankok. The OSOS, which operates as a part of the Board of Investment, brings together staff from investment-related agencles at a permanent location on the 18 th floor of the Chamchuri Square Building on Rama 4 Phayathai Road in Bangkok's Central Business District.

In July 2015, the OSOS took a further step to add more services as a part of government policy to enhance convenience for investors. Currently there are 38 agencies participate in providing information and consultancy related to doing business in Thailand at the OSOS.


OSOS Extends its Range of Services

For investor interested in investing in Thailand, Thai or Foreign, big or small, BOI-promoted or not, the One Start One Stop Investment Center offers investors a wide range of Investment-related services.

Scope of Service


Provide information and consultancy related to doing business in Thailand on topics such as obtain investment promotion privileges, company registration, obtain a foreign business license, factory license application and related procedures, customs clearance, import/export etc.


The highly-successful One Stop Service Center for Visas and Work Permits is located across the hall from the OSOS, offering added convenience. OSOS staff also help investors with various applications to make sure investors understand what is needed in order to complete those applications.


Provide local information and assistance on arranging on-site visit to potential locations.


One Stop Service Center (in central Thailand ) for Special Economic Zones: providing basic information on Special Economic Zones and linking with other One Stop Service Centers located in each Special Economic Zone.

Agencies Represented at OSOS


Office of the Prime Minister


Royal Thai Police


Ministry of Public Health


Ministry of Transport


Ministry of Tourism and Sports

20 March 2019 | Web Admin | Print


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