This research paper examines the growth and development of small and medium-sized enterprises (SMEs) in the UK, focusing on the case study of Wiser Company. It explores the nature of entrepreneurship, the startup process, and the challenges faced by SMEs. The paper analyzes the strategies adopted by Wiser Company for growth and development, as well as the support measures provided by the government to overcome these challenges. Data analysis is conducted to assess the contribution of SMEs to the UK economy. The paper concludes with recommendations for SMEs to enhance their competitiveness and growth in the market.