A corporate group, company group or business group, also formally known as a group of companies, is a collection of parent and subsidiary corporations that function as a single economic entity through a common source of control. These types of groups are often managed by an account manager. The concept of a group is frequently used in tax law and accounting and (less frequently) company law to attribute the rights and duties of one member of the group to another or the whole. If the corporations are engaged in entirely different businesses, the group is called a conglomerate. The forming of corporate groups usually involves consolidation via mergers and acquisitions, although the group concept focuses on the instances in which the merged and acquired corporate entities remain in existence rather than the instances in which they are dissolved by the parent. The group may be owned by a holding company which may have no actual operations.
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Corporate group in the context of Parent company
A holding company is a company whose primary business is holding a controlling interest in the securities of other companies. A holding company usually does not produce goods or services itself. Its purpose is to own stock of other companies to create a corporate group.
Holding companies also conduct trade and other business activities themselves. Holding companies reduce risk for the shareholders, and can permit the ownership and control of a number of different companies. They can be subsidiaries in a tiered structure.
Corporate group in the context of Trust (business)
A trust or corporate trust is a large grouping of business interests with significant market power, which may be embodied as a corporation or as a group of corporations that cooperate with one another in various ways. These ways can include constituting a trade association, owning participating interests in one another, constituting a corporate group (sometimes specifically a conglomerate), or combinations thereof. The term trust is often used in a historical sense to refer to monopolies or near-monopolies in the United States during the Second Industrial Revolution in the 19th century and early 20th century. The use of corporate trusts during this period is the historical reason for the name "antitrust law".
In the broader sense of the term, relating to trust law, a trust is a legal arrangement based on principles developed and recognised over centuries in English law, specifically in equity, by which one party conveys legal possession and title of certain property to a second party, called a trustee. The trustee holds the property, while any benefit from the property accrues to another person, the beneficiary. Trusts are commonly used to hold inheritances for the benefit of children and other family members, for example. In business, such trusts, with corporate entities as the trustees, have sometimes been used to combine several large businesses in order to exert complete control over a market, which is how the narrower sense of the term grew out of the broader sense.
Corporate group in the context of Consolidation (business)
In business, consolidation or amalgamation is the merger and acquisition of many smaller companies into a few much larger ones. In the context of financial accounting, consolidation refers to the aggregation of financial statements of a group company as consolidated financial statements. The taxation term of consolidation refers to the treatment of a group of companies and other entities as one entity for tax purposes. Under the Halsbury's Laws of England, amalgamation is defined as "a blending together of two or more undertakings into one undertaking, the shareholders of each blending company, becoming, substantially, the shareholders of the blended undertakings. There may be amalgamations, either by transfer of two or more undertakings to a new company or the transfer of one or more companies to an existing company".
Corporate group in the context of Dassault Group
Groupe Industriel Marcel Dassault SAS (French pronunciation: [daso]; also GIM Dassault or Dassault Group) is a French corporate group established in 1929 with the creation of Société des Avions Marcel Bloch (now Dassault Aviation) by Marcel Dassault, later led by his son Serge Dassault, and led from 2018 to 2025 by co-founder of Dassault Systèmes, Charles Edelstenne. Since 2025, the group has been led by Éric Trappier, who is also the Chairman and CEO of Dassault Aviation.
According to Challenges, the Dassault family's combined net worth is estimated at around 23.5 billion euros.