The Thai penal code enumerates a number of criminal offenses which may result in arrest and imprisonment in Thailand. In addition to the Thai penal code there are separate acts and laws which also provide for criminal penalties. In case of need of assistance in a criminal case, it is very important that a lawyer is contacted as early as possible in the process.

Normally a criminal case begins with an investigation by the police, investigators from an administrative section of the Thai government or private investigators. Once enough evidence is established to file a criminal case, bail may be requested. Bail amounts and conditions may be different for foreigners than for Thais.

Some foreigners in Thailand find themselves having difficulty with the law for a variety of offenses including theft or business offenses, such as fraud and violations of various administrative acts and regulations. Additionally many foreigners are also arrested for drug offenses, visa overstays and visa fraud. Scandinavian Law Office handles most criminal offenses.