Company law (US: Corporation law or Corporate law) is the law which deal with the creation and regulation of business entities. The most common forms of business entity are companies and partnerships.
A company (US: corporation) is a group of people which is treated as a legal person, with a separate identity from its shareholding members. It can own property, enter into contracts, sue others and be sued. This contrasts with partnership, which is not considered to be a legal person and it is not able to own property in tis own name.
Because of the limited liability of the members of a company for its debts, as well as its separate personality and tax treatment, the company has become the post popular form of business entity in most countries in the world.
Companies have an inherent flexibility which can let them grow; there is no legal reason why a company initially formed by a sole proprietor cannot eventually grow to be a publicly listed company, but a partnership will generally have a limited number of partners.
A company has shareholders (those who invest money in it and get shares in return), a board of directors (people who manage the affairs of the company) and creditors (those to whom the company owes money). Company law deals with the relationships between companies and their shareholders, creditors...