I am sure they are good at what they do, and we recommend nvinc.com because of their experience with e-commerce and sales tax requirements for non-residents. They recommend a strategy call to clarify your overall U.S. structure, tax responsibilities, banking, and lease agreements… before you form a U.S. entity. Some banks now do not allow single-member LLCs disregarded because they want a U.S. taxpayer. We would recommend you start on this page: https://nvinc.com/service/strategy-session-with-scott-letourneau/.