Here's a list from my database of accounts I closed because the limits imposed made it a waste of my time to continue with them. I don't think the list is complete either as there are a few at the end which I have now added manually.
12Bet 5 Dimes Bet365 Betandwin 888 Sports Bet At Home Bet 1128 BetClic Betsafe Betworks Blue Square BoDog Boylesports Betfred Betinternet Betsson Bet UK Canbet.com Carribean Sports Cascade Davidson Sportsbetting Centrebet Eurobet Expekt Fonbet Gamebookers Hollywood Sportsbook Intertops IAS Ladbrokes Mansion88 Paddy Power PartyBets Skybet Sportingbet AUS Sportingbet UK Sportsbetting Sportsbook (Hurley) Stan James
VIP (the only one who actually booted me out)
Then there was 188Bet which recently booted out all Aussies but had put me on limits at least for tennis.
And two books which have severely limited me on sports but I retain for betting on racing:
And then there's Betstar which has limited me on racing at least but I retain for betting even money footy lines.