‘I relate to Erin Brockovich’: postman who took on car finance world – and won

Andrew Wrench, from Trentham, Staffordshire, said he ‘never lets go’ if he thinks something’s right. Photograph: Christopher Thomond/The Guardian

Self-styled as the Erin Brockovich of the Potteries, and described by the court of appeal as “a postman with a penchant for fast cars”, Andrew Wrench is a force to be reckoned with.

And while he may not be a household name yet, those who work in the multimillion-pound car-leasing industry will be all too aware of his campaigning zeal.