The private equity owners of Young's Seafood have put the frozen food manufacturer up for sale, sparking a potential bidding war. Lion Capital, Bain Capital and HPS Investment Partners have thrown the doors open to prospective buyers as they look to bring down the curtain on their 10-year ownership. Speculation has been mounting over the future of the British seafood supplier since December, with Japan's Mitsubishi Corporation – the owner of canned food producer Princes – rumoured to be plotting a bid.