A Limited Liability Company (LLC) is a business structure allowed by state statute. Each state may use different regulations, so you should read the relevant state statutes if you are interested in forming an LLC.
Owners of an LLC are called members. Most states do not restrict ownership, so members may include individuals, corporations, other LLCs and foreign entities. There is no maximum number of members. Most states also permit single-member LLCs—those having only one owner.
A few types of businesses generally cannot be LLCs, such as banks and insurance companies. Check your state’s requirements and the federal tax regulations for additional information. There are special rules for foreign LLCs.