Next generation: Meet Britain's ambitious family of advisers

Advice firm Slipaczek is based in an attached house on a quiet street in North London's New Barnet, where guests are greeted by the sound of a barking dog, closely followed by 'hush hush' commands in Polish. Filip Slipaczek, principal of the practice and proud son of Irish and Polish immigrant parents, asks "Do you like dogs?," as he paves the way to his firm's client meeting space - a sitting room with a big round table in the centre, surrounded by family pictures and certificates of professional achievements adorning the walls and mantelpiece. The office sits at the back of the hous...