- PO Box 55 Phra Khanong P.O. Phra Khanong District, Bangkok 10110
BangkokPI (Private Investigators) are able to help with a wide range of problems in the land of smiles. From investigating Thai ladies, cheating foreign men to missing people and business investigations. As a leading detective agency in Thailand’s capital we will be glad to help you. Get in touch with us today for a free consultation.