About Us

Principles & Values

Our company offers only legal help and we act only in accordance with widely recognized moral principles.

How We Are Different

We are driven by solutions rather than revenue and we aim to build our service that is based on prosperity and honest relationship.


Join our team of professionals or if you are a junior lawyer and make you career with us!

Bangkok International Associates

Bangkok International Associates was founded in 1988 by a group of foreign and Thai lawyers. In 1991, Ronald J. Cristal (Ronachai Krisadaolarn) took over the business as managing director, a position that he still holds today.

We specialize in representing foreign companies investing in Thailand, and foreign companies or foreign – Thai joint ventures operating in Thailand. We are able to deal with corporate and commercial law, joint ventures, banking, debt restructuring, taxation, labor, commercial and residential property, intellectual property, telecommunication, marijuana and hemp, e-commerce financial technology, taxation, litigation, and etc. We have 16 lawyers, with additional accounting, information technology and office staff.

After more than 30 years of operations, the goodwill of the firm is based on our relationships with existing clients and referrals by existing clients. We also have long established relationships with leading foreign law firms in Singapore, Hong Kong, Australia, United States, Germany, United Kingdom, Malaysia and elsewhere.

Our 30 years experience is a proven track record and we aim to provide best of our expertise.

The following are examples of assignments recently undertaken :

Our People

Sathien (Dennis) Hemsin


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Professor Peter C. Church OAM


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Ronachai Krisadaolarn (Ronald Jay Cristal)

Thailand, Managing Director

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