PricewaterhouseCoopers shares the secrets of the top-performing businesses. The business advisory firm PricewaterhouseCoopers has published a study on the top-performing businesses in Europe. These are defined by an increase in income twice that of other companies (“next-best” companies). They are the companies which do most to manage their client relationships. The survey was carried out in 2010 and the panel was made up of 270 European companies active in multiple sectors of activity....