Marks & Spencer is a leading UK retailer that sources products from over 600 garment factories and 500 raw material suppliers in over 70 countries worldwide. The key factors in M&S's sourcing decisions are quality, adherence to ethical standards, responsiveness to trends, reduced lead times and costs. M&S aims to have a balanced sourcing strategy across regions like Eastern Europe, Asia, the Indian Subcontinent and the Americas to take advantage of each area's strengths in terms of costs, materials, and responsiveness.