Mellon Ventures specializes in investments in venture capital to later stage growth and buyouts. The firm invests through three groups: Financial and Business Services, Growth and Buyouts, and Technology. In Financial and Business Services, it typically invests in financial services industry with a focus on trade cycle processing, asset management, treasury management, information services, application services, transaction based services, and professional services and outsourcing. The firm prefers to invest in companies with revenues in excess of $3 million.