A marriage that is considered legal in Thailand involves both parties registering their marriage with the local Amphur or district office.
Obtaining a US Visa in Bangkok is possible if you are able to locate a law firm in Bangkok who has US Immigration attorneys on staff.
You will find that the Thai legal and court system represents a number of legal areas that are designed to help people resolve disputes or differences.
Register the company at the DBD. You can also refer to the DBD website. Again, you should have a lawyer help you to make sure you comply with Thailand’s laws for registration.