Telecoms, energy and travel are the worst-performing sectors on average for customer service – but which is the best? Which? customer service research reveals all.
What winds you up most about customer service? What do you love? See if your top gripes tally with others and which big brands have the best service.
Best and worst brands for customer service revealed for 2017 by Which? Apple, BA, John Lewis, Ryanair, Sports Direct, Tesco and more rated by their customers.