This case study analyzes Security Services Limited (SSL), a UK-based security services provider, examining its operations, information system (IS) strategy, and potential for future growth. The report delves into SSL's four divisions: Private Transport, Business Security, Domestic Security, and Home Office Services, assessing their current IS infrastructure, which is largely manual and fragmented. It explores portfolio analysis, highlighting services like armored transport and business security, and evaluates strategic potential by proposing a comprehensive IS strategy. This includes upgrading hardware, implementing a centralized MIS solution, enhancing networking capabilities, and centralizing data storage. The report discusses the strategic benefits of this approach, such as improved data visibility, faster reporting, and enhanced service responsiveness. Finally, the case study considers location selection for the IS infrastructure, recommending a centralized approach at the headquarters to minimize costs and streamline operations. The assignment is based on the MITS4001 Business Information Systems course and includes an introduction, portfolio analysis, IS strategy assessment, strategic potential analysis, location selection and conclusions.