General Taxation Questions Q. What are the main types of business taxes in the U.S.? The main two types of taxes a foreign U.S. business owner should be concerned about are income tax and sales tax. Those are two completely different, unrelated taxes. Q. Are there any other taxes I should be concerned about? Some types of products have additional tax (and licensing) requirements, for example liquor and tobacco products, as well as other products. If you are not sure if your product or service has licensing or taxation requirements contact us and we will assist you with the research...