This report delves into the critical aspects of managing communication, knowledge, and information within an organization. It begins by examining the importance of effective communication for business success, using a case study of a new coffee shop in London to illustrate decision-making processes at strategic, tactical, and operational levels. The report explores internal and external sources of information necessary for informed decision-making, including financial, market, and resource data. It then analyzes the roles of various stakeholders like customers, government, and suppliers, and discusses strategies for their engagement in the decision-making process, such as social media and electronic communication. Furthermore, the report references the HMRC case study to evaluate existing communication processes and identify ways to improve their appropriateness. It highlights various communication methods used by HMRC, including online communication, memos, meetings, and phone conversations, and proposes enhancements through face-to-face workshops, feedback mechanisms, seminars, and intranet utilization. Finally, the report includes a self-assessment of skills, identifying strengths, weaknesses, opportunities, and threats related to communication abilities.