Which? is a household name with more than one million customers, and the second largest consumer organisation in the world. Which? exists to make people as powerful as the organisations they come up against in their daily lives. It publishes five magazines - featuring around 2,600 product reviews a year - more than 20 books and 12 free guides. Which? provides a utilities switching service and online and telephone support including Which? legal services. Which? campaigns primarily in the areas of food, health and personal finance. High profile issues include tackling marketing of unhealthy foods to kids and unfair bank charges.