Tax Advisory Services Group, LLC is a Houston-based consulting firm specializing in motor fuel tax and trade matters surrounding all aspects of the oil and petroleum industry. TASG is comprised of two offices, the headquarters in Houston, Texas and another office located in Manila, Philippines. With over 20 years of experience counseling clients operating in all aspects of the oil and petroleum sector our consultants have an in-depth knowledge of the industry, enabling us to provide quality service and creative solutions to our clients.