A company is a corporate enterprise that has a legal identity separate from that of its members; it operates as a single unit in which all members participate. Companies can have limited or unlimited liability and may be registered or unregistered.
A corporation is a legal entity composed of individuals that acts as a single entity with distinct legal rights and liabilities, separate from its members. It can be created by various legal forms, and can either be composed of a single person or several individuals.
A registered company is a formal business entity that has been incorporated in England, Wales, or Scotland through a registration process with the Registrar of Companies. It can be a limited or unlimited company and may operate as either a private or public entity.
