Holding is a public limited company, a public limited partnership or a private limited company with the purpose of participating in other companies by means of stocks or management. At least 25% of the capital of a holding has to be entered directly in subsidiaries.

A subsidiary, according to the local law, means a company in which the holding owns or controls directly or indirectly at least 25% of the stocks or shares, or can appoint directly or indirectly more than 50% of the members of the managing body. The Commercial Code names the activities, a holding is allowed to perform.