Marcum LLP is one of the largest independent public accounting and advisory services firms in the United States, with offices throughout the U.S., Grand Cayman, and China. They offer an extensive range of professional services and a high degree of specialization. Marcum is a founding member of the Leading Edge Alliance (LEA). As the second-largest international professional association, LEA Global can open doors in the more than 106 countries where its 220 member firms operate.