This document provides an overview of Tesco, the largest retailer in the UK. It discusses Tesco's industry, competitors, strategies and financial performance. Tesco has over 2,400 stores worldwide, a 30% market share in the UK grocery market, and sales of over £22 billion in 2007. The document analyzes Tesco using various frameworks including Porter's five forces, resource-based view and SWOT analysis. It recommends Tesco focus on improving existing stores and potentially form strategic alliances to address weaknesses.