49: Sporting Group (2016)

Sporting Index (now Sporting Group) continues to be the number one player in sports spread betting, however, after being sold in 2015 to the same investor who bought Pinnacle, the firm has seen a number of senior departures, including CEO Warren Murphy who left earlier this year.

Murphy was replaced by Simon Trim and noises suggest the firm is mulling a move towards a more fixed-odds focused future.