You can get a rough idea by looking at the number of firms in these links. Overtime, it has consolidated. https://www.canarywharfian.co.uk/threads/list-of-prop

You can get a rough idea by looking at the number of firms in these links. Overtime, it has consolidated. https://www.canarywharfian.co.uk/threads/list-of-proprietary-trading-firms.688/ https://www.canarywharfian.co.uk/threads/list-of-proprietary... Then also the associate firms on this list: http://fia.org/members http://fia.org/members