Iceland has been named the UK's top supermarket for customer satisfaction for the first time. The UK Customer Satisfaction Index surveys 10,000 consumers, is released twice a year, and covers all types of business. Iceland came 10th overall - the highest performing food retailer - while the online giant Amazon came top of the list for the sixth time in a row. Waitrose was 17th while Aldi and M&S Food were joint 23rd. The survey measures more than 30 aspects of customer service, including staff professionalism, the quality and efficiency of the service, trust, and transparency Amazon scored 86.7 out of a potential 100. John Lewis came second, getting 86.5 out of 100.
