noun
group of companies; combine; conglomerate
A large business group formed by a parent company and its subsidiaries, often with diversified interests. The term is a direct loan from German 'Konzern' and is used in economic and business contexts.
from German Konzern
そのコンツェルンは自動車から金融まで多角的に事業を展開している。
The conglomerate operates diversified businesses ranging from automobiles to finance.
Several huge combines existed in prewar Japan.