1: transfer money from overseas any county, equal to 5millions. Rent a shop or place to do business, get agreement,personal ID documents of landlord with your passport copies and bank book,go to see a lawyer he will charge you about $3500 company registration fee,work permit,one year visa. Doing all this first you check the market about your business.there are many occupation and businesses prohibited for the foreigners check it first.if your documents are complete easy to set up . 2: BOI approved company.3 get Merry to a Thai everything easy