This report provides a comprehensive analysis of business organizations, their structures, and functions. It begins with an introduction to various types of businesses in the UK, including micro, SMEs, and large enterprises, and explores different ownership forms. The main body of the report is divided into two tasks. Task 1 discusses the different types and purposes of organizations, focusing on private, public, and voluntary sectors. It also examines the size and scope of various organizations, such as micro, small, and large businesses, and links these to business objectives. Task 2 delves into the relationships between different organizational functions, such as marketing, finance, and HR, and their connection to organizational structure and objectives. The report also analyzes the advantages and disadvantages of interrelationships between organizational functions and their impact on organizational structure, concluding with a critical analysis of the complexities of different business structures and interrelationships of different organizational functions. The report uses General Motors as a case study, analyzing its operational role, breadth, and functional areas, and the impact of external variables using PESTLE and SWOT analysis. The report aims to provide a clear understanding of business structures, functions, and their impact on organizational performance and objectives.