While London remains the leading city for unicorns in the UK, having produced a total of 46 unicorn since 1990, Manchester, Oxford, Cambridge, Edinburgh and Bristol have produced a combined total of 20. Of the latest unicorns to join the list, OVO Energy adds to Bristol's tally while Cambridge-based CMR Surgical pushes Oxbridge's combined total to 11. Two unicorns are based in Leeds:Sky Betting&Gaming and TransUnion UK.