Essay An Investigation into how the Effective Implementation of Strategic Information System Delivers Competitive Advantage in Tesco. The work is to be 8 pages with three to five sources, with in-text citations and a reference page. Finally, the proposal deals with the recommendation which provides probable suggestions for the improvement of the company.Tesco Plc is undoubtedly the largest supermarket chain in the United Kingdom. Headquartered at Tesco house in Cheshunt, Hertfordshire, the company is into the business segment of grocery items and is a retail chain of repute. It was founded in the year 1999 by Jack Cohen. It originally specialized in food and drink. The group diversified into various sectors like clothing, financial services, electronics, home, health, car, dental, music downloads, internet services, software and many more. Tesco is the undisputed leader both in terms of global sales as well as domestic market share and has a profit of more than £3 billion. Also, the volume of the business of the company has international significance as it is just next to Wal-Mart and Carrefour in terms of revenue, and is the second-largest in the global periphery in terms of profit behind Wal-Mart (Tesco plc, n.d.)United Kingdom Academy for Information System has defined information system as the “the means by which people and organization, utilizes the technology, gathers, process, stores, use and disseminate the information”. It drives organizational change with the motto of increasing efficiency, effectiveness, and competitive position of the organization (UKAIS, n.d.)On the other hand, Strategic Information System can be referred to as the system that assists the organizations to modify their business strategy along with their structure. The basic attribute to Strategic Information System has been to quicken the reaction time for environmental changes and it also helps in achieving competitive advantage. The most important feature of SIS is that it is basically an ‘Enterprise Resource Planning’ solution which links the business processes in order to meet the enterprise objective.