Whithin this scientific paper, we examine, especially from the perspective of the provisions in the New Civil Code and the law which puts into practice this organic law, the legal system of the public limited liability company, form of company adopted pre-eminently by the quasi-majority of economic operators for its practical advantages presented. Concomitantly, in the elaboration of the work, we take into consideration the statistical data outlining the fact that, by their legal structure, adjustable to small and medium companies, public limited liability companies have reached in present a considerable development.