I will break down the bookies list into the following categories - useless, useful, priceless. The 'Useless' tag belongs to bookies that limit winning punters almost immediately. Useful is a bookie that is slower to limit, but will limit you eventually and can't be relied upon long term. Priceless is a bookie or exchange that will never impose a limit no matter how much you win.
Useless
Stan James, Sky Bet, Boyle Sports, Coral, Betfred, Paddy Power, 888Sport, Betway
The above bookies are just a complete waste of time. There are many more out there, but these are the ones I have had the misfortune of dealing with. By all means sign up and get what you can out of them before they limit you, but depending on your stakes limit you will be limited and it'll likely be fast. Stakes of £30 or less may keep your account going for a little bit longer and there are other tricks to delay the point at which you're limited or even banned, but I suggest you use them until the inevitable happens.
useful
5Dimes, Bet Victor, Sportingbet, William Hill, Ladbrokes, Marathonbet, Betfair Sport, 188Bet, Bwin, 10Bet
Some of you may have and bad experiences with the above bookies and would perhaps suggest they belong in the 'useless' category. I'd love to hear your stories. All I'm saying is that they serve a purpose and have been better than the 'useless' bookies. Having said that, Bet Victor have recently limited me to pennies after a decent run and Bwin are turning the screw.
priceless
Pinnacle Sports, Bet365
As many of you are no doubt aware Pinnacle is the crème de la crème of online sports gambling. They allow huge wagers and will never limit a player no matter how much they win. The only problem at that moment is that they pulled out of the uk after a tax law change last year. They claimed to be returning to the UK in the final quarter of 2016, yet we're still waiting. Here's hoping. Until then there are ways around the ban which can be discussed if anyone is interested.
Now Bet365 don't technically belong in the 'priceless' category. In reality they lie somewhere in between 'priceless' and 'useful'. I've heard of people quite happily wagering up to £200 per bet without risk of limits being imposed. If you're wagering more than £200 per bet you probably don't need this guide. They also tend to be right at the very top when it comes to posting boxing lines. Bet365 is my most commonly used bookie on the service by far.
Exchanges Betfair, Betdaq, Matchbook and others are definitely worth a mention. Exchanges are sites where punters are essentially squaring off against each other. The company merely gets involved when they take a commission. For this reason you will never be limited. One of the problems experienced with exchanges can sometimes be a lack of liquidity.
If anyone has anything further to add please use the comments box below. We're all in it together so it's good to share.