A start-up company is a new business venture that is typically in the early stages of development. Start-up companies are often characterized by their innovative ideas, new business models and untapped market potential. They are usually small, with limited resources and are typically focused on rapid growth. These companies often rely on venture capital, angel investors, or crowdfunding to finance their operations and growth. Start-up companies are also known for their agility, flexibility, and adaptability as they navigate the challenges of a new business. The goal of a start-up company is to grow and eventually become a profitable and sustainable business.