With the development of new and more complex forms of business organization, such as multinationals or corporate groups, the question arose as to whether they could still be regarded as a single legal entity. How should the issue of company liability, for instance, be regarded when dealing with the different subsidiary groups of one large enterprise? The question of company liability with regard to multinationals and corporate groups forms one of the central themes of this work, and one which should interest all those active in today's business world.