A form of business in which one person owns all the assets of the business, in contrast to a partnership or a corporation.

A person who does business for himself is engaged in the operation of a sole proprietorship. Anyone who does business without formally creating a business organization is a sole proprietor. Many small businesses operate as sole proprietorships. Professionals, consultants, and other service businesses that require minimum amounts of capital often operate this way.

A sole proprietorship is not a separate legal entity, like a partnership or a corporation. No legal formalities are necessary to create a sole proprietorship, other than appropriate licensing to conduct business and registration of a business name if it differs from that of the sole proprietor. Because a sole proprietorship is not a separate legal entity, it is not itself a taxable entity. The sole proprietor must report income and expenses...