Tesco is one of the Leading food retailers in Ireland and United Kingdom. Tesco’s annual sales are moving through $5 billion and Tesco’s online grocery stores Tesco.com is one of the leading consumer service in online internationally with not less than 1 million customers and with 240,000 orders completed a week. Tesco was founded by Jack Cohen in 1919 located at East London. Company’s management was moving forward by the two key people, they are Sir Terry Leahy – Chief Executive and David Reid – Chairman.