This document provides an overview of different types of business entities including sole proprietorships, partnerships, limited liability companies, and corporations. For each entity it discusses key considerations such as liability, taxation, funding options, registration requirements, ownership structures, and administrative requirements. Sole proprietorships offer the simplest structure but provide no liability protection. Partnerships can be general or limited, and partnership profits pass through to owners' tax returns. Limited liability companies combine pass-through taxation with liability protection. Corporations are separate legal entities that can sell ownership shares to raise capital but may be subject to double taxation.