This report provides a comprehensive analysis of three distinct business entities: Vodafone (private sector), Bank of England (public sector), and British Heart Foundation (voluntary sector). It begins with an introduction to the different business sectors, emphasizing their varying purposes, scopes, and legal structures. The main body of the report delves into each organization individually, offering detailed overviews that include size, scope, mission, vision, business objectives, organizational structure, legal structure, stakeholder information, and the products or services offered. Furthermore, the report specifically examines the organizational functions of Vodafone and their interrelationships, exploring marketing, finance, human resources, R&D, and consumer service functions. It also analyzes the benefits and drawbacks of these interrelationships, and their impact on the company's organizational structure. The report concludes by summarizing the key findings and emphasizing the importance of understanding the dynamics within different business sectors and the interplay of organizational functions for overall business success. The report also provides a comprehensive list of references, including books, journals, and online resources, to support the information presented.