Foreign founders and established companies doing business in the United States face legal questions that go beyond immigration. This section covers choosing an entity type and a state of formation, LLC versus C-corporation considerations, post-formation compliance, commercial contracts and governing-law clauses, trademark registration, buying an existing business, resolving commercial disputes, and estate planning tools such as wills, trusts and powers of attorney.

Corporate decisions often interact with tax and visa planning, so the guides point out where those areas overlap. They describe U.S. law in general terms; state rules vary, and the guides are not a substitute for advice on a specific transaction. Consult an attorney, and a tax advisor where relevant, before forming, buying or restructuring a business.