Unincorporated entity

An unincorporated entity is an entity that has the same characteristics as a company but is not incorporated. It is also sometimes called a voluntary association.

In the United States it includes the partnership, limited partnership, and the limited liability company.^[1]

In Australian law, incorporation occurs under the Corporations Act 2001, and includes:

a branch of an overseas company not incorporated in Australia (often the name ends in corporation)
incorporated associations which are incorporated under an Act of one of the States and territories of Australia, and
incorporated charitable institutions.
people grouped together by a common purpose with club-like characteristics, for example, a sporting club, social club or trade union.
It does not include joint ventures.

In Indian Law, an unincorporated company means any partnership firm whether registered or not under Indian Partnership Act, 1932, whose number of partners exceed 20 and exceed 10 in case of a banking business. Such unincorporated company is also known as an illegal association. It does not include an HUF.

References

^ Miller ES, Rutledge TE. (2005). The Duty of Finest Loyalty and Reasonable Decisions: The Business Judgment Rule in Unincorporated Business Organizations. The Delaware Journal of Corporate Law.