The main offices or center of operations of a company or organization.

A branch office is a location, other than the main office, where business is conducted. A branch office will typically have a branch manager who will report directly to and take orders from, a management member of the main office.

A franchise business is a business in which the owners, or "franchisors", sell the rights to their business logo, name, and model to third party retail outlets, owned by independent, third party operators, called "franchisees".

A company is said to be "doing business as" when the name under which they operate their business differs from its legal, registered name. Some states require dba or fictitious business name filings to be made for the protection of consumers conducting business with the entity.