A group of companies - a concern - is often said to be an economic uni
t. The companies, however; are independent units subject to ordinary c
ompany law. The difference in the position in law and in economics is
striking. The attempt to create an European law of concerns after Germ
an pattern has not been succesful. The author tries to state the actua
l position of Danish company law based on the general rules of liabili
ty and minority protection and argues that this position rests on a so
und rationale.