Online Bookmakers

Find the best online bookmakers and full bookmaker reviews with BetBlazers.com

The Best Online Bookmakers for your betting

Our rating:
  • Offers betting exchange & regular sports betting
  • Great value odds for players
  • Top mobile apps for iOS and Android
Sport bonus:

5 x £20 Free Bets

New customer offer. Place 5 x £10 or more bets to receive £20 in free bets. Repeat up to 5 times to receive maximum £100 bonus. Min odds 1/2 (1.5). Exchange bets excluded. T&Cs apply.

Our rating:
  • World's largest and (according to us) best betting site
  • Best for live-betting and live streaming
  • Very large selection of betting markets and live odds
Sport bonus:

100% up to £100 in bet credits

Open Account Offer. Up to £100 in Bet Credits for new customers at bet365. Min deposit £5. Bet Credits available for use upon settlement of bets to value of qualifying deposit. Min odds, bet and payment method exclusions apply. Returns exclude Bet Credits stake. Time limits and T&Cs apply.

Our rating:
  • Great welcome bonus for sports, casino and poker
  • User friendly and fun to use betting app
  • One of the biggest betting sites in the world
Sport bonus:

Bet £10 get £30 in Free bets

Turnover: 6x bonus amount Lowest odds: 1/2 (1.50) Bonus code: 30F

Our rating:
  • Generous welcome offer for new players
  • Huge selection of betting markets & good promos
  • Offers casino, poker, bingo & sports betting
Sport bonus:

£30 Free Bet

Turnover: 1x bonus amount Lowest odds: 3/4 (1.75) Bonus code: No code

Our rating:
  • Extremely competitive odds for all customers
  • Offers live streaming services
  • Wide range of promotional offers
Sport bonus:

Up to £50 in bonuses

Lowest odds: 4/5 (1.80) Bonus code: No code

Our rating:
  • At the forefront of sports betting
  • Great sports and casino welcome offers
  • Established and reliable name on the market
Sport bonus:

£20 Free Bet

Lowest odds: 1/2 (1.50) Bonus code: No code

Our rating:
  • Great selection of sports betting markets, both live & pre-match
  • Also offers a betting exchange
  • Attractive welcome bonus for new players
Sport bonus:

Bet £10 get £30 in Free Bets

Lowest odds: 1/2 (1.50) Bonus code: G30

Our rating:
  • New & surprisingly good sports betting section
  • Competitive welcome bonus for new players
  • Popular casino site
Sport bonus:

£20 Free Bet

Lowest odds: 1/1 (2.0) Bonus code: No code

Our rating:
  • New, attractive & user-friendly sports betting site
  • Quick & easy withdrawals
  • Great sports betting promos
Sport bonus:

2 x £10 Free Bets

Lowest odds: 1/1 (2.00) Bonus code: WELCOMEFREEBET

Our rating:
  • Combines a solid sportsbook with a slick online casino
  • Perfect for UK punters and accepts UK debit cards
  • Betting app for sportsbook is one of the best
Sport bonus:

£10 First Bet Insurance

Lowest odds: 1/1 (2.00) Bonus code: No code

Our rating:
  • Great reputation especially when it comes to customer service
  • One of the biggest range of odds markets you'll find anywhere
  • Perfect place to combine sports and casino betting
Sport bonus:

£10 Free bet

Lowest odds: 1/1 (2.00) Bonus code: No code

Our rating:
  • Lots of different sports betting promotions
  • Very large range of betting markets
  • Quick winnings withdrawal, without any fees
Sport bonus:

100% up to £50

Turnover: 8x bonus amount Lowest odds: 4/5 (1.80) Bonus code: SCORE10

Our rating:
  • Great deposit bonus for all new players
  • Top for tennis live streaming
  • Huge range of betting markets for football and racing
Sport bonus:

Bet £10 & Get £30 in Free Bets

Lowest odds: 1/2 (1.50) Bonus code: C30

Our rating:
  • Great selection of sports betting markets
  • The markets biggest choice of Money Back offers
  • Incredible live streaming of sports
Sport bonus:

£20 Risk Free Bet

Lowest odds: - Bonus code: No code

Our rating:
  • Your first stop for betting on North American sports
  • Their Glory Holes can't be beaten
  • Excellent matched welcome bonus
Sport bonus:

Get £10 free bet on a double

Bonus code: RZTENDOUBLE

Our rating:
Sport bonus:

£10 Bonus Token

Our rating:
  • One of the most attractive betting sites around
  • Revamped and wide ranging sports betting options
  • Competitive welcome bonus for sports, casino and poker
Sport bonus:

£10 Bonus

Turnover: 4x bonus amount Lowest odds: 4/5 (1.80) Bonus code: No code

Our rating:
  • Perfect for those hard to find sports betting markets
  • Great for punters interested in e-sports
  • User friendly and attractive betting app
Sport bonus:

50% up to £75

Turnover: 60x bonus amount Lowest odds: 1/2 (2.00) Bonus code: No code

Our rating:
  • At the absolute forefront when it comes to mobile betting
  • Great welcome bonus as well as a selection of promotions
  • Large selection of sport you can live stream
Sport bonus:

100% In-Play Profit Boost

New customers only. Deposit £10 min and claim in ‘my offers' 1x100% mobile in-play profit boost. Max stake £10. Max extra winnings £100. Valid for 30 days. Skrill/Neteller deposits do not qualify. 18+ Full T&Cs apply www.begambleaware.org

Our rating:
  • Competitive across sports betting and casino
  • Award winning live casino
  • A great place to find niche sports betting odds
Sport bonus:

£10 Free Bet

Lowest odds: 4/5 (1.80) Bonus code: No code

Our rating:
Sport bonus:

£10 Back-Up Bet

Lowest odds: 1/1 (2.00) Bonus code: No code

Our rating:
  • Quick, easy and efficient betting
  • Great to navigate and find bets
  • Top selection of offers
Sport bonus:

100% up to £122

Turnover: 10x bonus amount Lowest odds: 13/20 (1.65) Bonus code: BB122

Our rating:
  • Generous welcome offer for new players
  • Huge selection of betting markets & good promos
  • Offers casino, poker, bingo & sports betting
Sport bonus:

125% up to R1000

Turnover: 1x bonus amount Lowest odds: 1.80 Bonus code: No code

Our rating:
  • Great welcome bonus for all players
  • Premium selection of sports odds
  • Perfect for all players regardless of expertise
Sport bonus:

100% up to R1000

Turnover: 12x bonus amount Lowest odds: 1.50 Bonus code: RSA1000

Our rating:
  • New & surprisingly good sports betting section
  • Competitive welcome bonus for new players
  • Popular casino site
Sport bonus:

Bet $20 get $20 Free Bet

Lowest odds: 2.00 Bonus code: No code