This report examines various business types and structures, focusing on GlaxoSmithKline Plc (GSK) as a case study. It explores different company types, including micro, small, medium, and large businesses, as well as sole traders, partnerships, limited liability companies, public limited companies, and cooperatives. The report analyzes organizational structures such as functional, hierarchical, and divisional structures, and discusses how these structures affect business productivity. Furthermore, it applies PESTLE analysis to assess the external factors impacting GSK's performance, including political, economic, social, technological, legal, and environmental factors. The analysis highlights the importance of adapting to changing regulations, economic conditions, social trends, technological advancements, legal frameworks, and environmental concerns to ensure sustainable business growth and profitability. Desklib provides a platform for students to access similar solved assignments and study resources.