A sole proprietorship, also known as the sole trader or simply a proprietorship, A sole proprietorship is a business that is owned, managed and controlled by one person. It is one of the most common forms of business in India, used by small businesses operating in the unorganized sectors. Proprietorships are very easy to start and have very minimal regulatory compliance requirement for getting started.. There is no mechanism provided by the Government of India for the registration or incorporation of a Proprietorship. Therefore, the existence of a proprietorship is established only by tax registrations and other business registrations that a Proprietorship is required to have as per the rules and regulations.