This report provides a comprehensive overview of entrepreneurship and small business management. It begins by defining entrepreneurship and exploring various venture types, including small businesses, high-tech firms, and social enterprises, along with their relationship to entrepreneurial typologies such as survival, lifestyle, and managed growth firms. The report then examines the similarities and differences between these ventures, focusing on factors like funding, innovation, and growth. A significant portion of the report is dedicated to analyzing the impact of micro and small businesses on the UK economy, highlighting their role in job creation, market expansion, and GDP contribution. The report also explores the importance of business start-ups and small businesses in fostering social and economic progress. It differentiates between small, medium, and large businesses, evaluating their respective scopes, development, and growth within the entrepreneurial landscape. Furthermore, the report critically examines the influence of small businesses on local, regional, national, and international economies. The report includes details of entrepreneurial characteristics, role of background and experience to foster or hinder entrepreneurship and connection between entrepreneurial characteristic as well as influence of personal experience and background to successful entrepreneurs. The conclusion summarizes the findings and emphasizes the vital contributions of small, medium, and large companies to the UK economy, along with personal and professional challenges faced by entrepreneurs.