By her own admission, Chupi Sweetman is virtually unemployable. However, this is no bad thing – having been home schooled by her mother, she possesses a rare independent and creative streak that makes her deal with problems in different ways than most. When the UK voted for Brexit in 2016, Sweetman quickly assessed what it would mean for Chupi, the eponymous jewellery brand that she had established just three years before. The business had expanded at a breakneck pace, but the more Sweetman looked at the numbers, the more concerned she became. Her business model centred on selling wholesale to…