An investment firm is a company that manages and invests money on behalf of clients, which can include individuals, corporations, and institutions. These firms typically offer a range of services, such as portfolio management, financial planning, and investment advice. They aim to grow clients' wealth by investing in various assets, including stocks, bonds, and real estate. Investment firms can vary in size and specialization, from small boutique firms to large multinational corporations. Some well-known types of investment firms include hedge funds, private equity firms, and mutual funds. Each type has its own investment strategies and risk profiles, catering to different client needs and goals.