Private Equity Company Private Equity Fund Private Equity Investor Private-Equity-Unternehmen Société de capital-investissement プライベートエクイティ企業 Empresa de private equity 私募股权公司 Private Equity Firm A Private Equity Company is a type of investment firm that uses capital from institutional investors and high-net-worth individuals to acquire controlling equity stakes in companies. These firms aim to improve the operational efficiency of the acquired company with a goal of selling it at a profit, typically over a medium to long-term investment horizon.