Русско-англо-русский юридический словарь

associated company (UK) is a company in which another company has a "significant interest,", that is, a shareholding of 20–50%. An interest of more than 50% is considered a controlling interest (the companies are then parent and subsidiary), while one of less than 20% is considered an investment. In the US the general term is affiliate. (English As a Legal Language by Christine Rossini)

Definition of minority stake. A shareholding of less than 50 per cent of a company's equity capital which is not a controlling stake. (Financial Times Lexicon)

Budge met a representative of the United States investor in spring this year but refused the offer to sell her 75.1 per cent shareholding in Hearts. (Edinburgh News)