an organisation engaged in business as a proprietorship, partnership, corporation or another form of enterprise. Originally, a firm made up of a group of people was distinguished from a sole proprieto, The term "company" implies an association of a number of people for some common object or objects ... normally for economic purposes, i.e. to carry on a business for gain. There exist two main types o, täisühing, usaldusühing, osaühing, aktsiaselts ja tulundusühistu. Seaduses võib ette näha ka teisi äriühinguid.