The most common forms of business enterprises in use in the United States are the sole proprietorship, general partnership, limited liability company (LLC), and corporation. Each form has advantages and disadvantages in complexity, ease of setup, cost, liability protection, periodic reporting requirements, operating complexity, and taxation. Also, some business forms have subclasses, such as the C corporation, S corporation, and professional corporation. Choosing the right business form requires a delicate balancing of competing considerations. Learn how to select, plan, and organize the business form that is a perfect fit for you.