The three main forms of business organization are sole proprietorships, partnerships, and limited liability companies. When selecting a form, owners should consider their liability, ease of formation, ability to raise funds, taxes, control, attracting employees, and objectives. A partnership allows for capital availability and expertise but presents unlimited liability and potential conflicts. A limited liability company provides liability protection but involves more costs and regulations. Future business trends include growth in services for families and specialization through established franchises offering multiple concepts.