The consumers’ champion chasing Mastercard for £14bn

Ex-financial ombudsman Walter Merricks tells why he took on the case that could now pay each adult in the UK £300When the Consumer Rights Act came into force in 2015, one man was keeping a keen eye on businesses failing to serve their customers properly. So when Mastercard didn’t respond to a ruling from the European commission that it was profiting unfairly on transaction fees, the “lack of contrition” propelled him into action.Joining forces with the largest law firm in