Want the best odds online? (Compare the top three betting exchange sites here)

Here at the home of betting opinion we like to ensure that our users get the most from gambling and betting online.  We’ve put together comparison tables of all the best places to play bingo, poker, where to place a sports bet and a comparison of the best betting exchanges and sports spread betting bookies.

Free Sports Bets

Our fixed odds sports betting section contains everything you need to know about the best bookies and where you can find a free bet, welcome offers and good deposit bonus to get you started.

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Free Bingo Cards

The bingo comparison tables in combination with our bingo company reviews are a power resource to find free ways to play bingo online.

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Free Casino offers and welcome bonuses

Playing at online casinos is great fun, and what could be more fun than winning money for free.  Use our casino comparison tables to find the best casino free bets and also make your first deposit go further by signing up for a welcome bonus.

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Betting exchange welcome offers and free bets

The best betting exchanges don’t normally offer free bets as they make their money via commission.  But we’ve put together a comparison table of betting exchanges so you can see which ones offer you a little free bet to try them out.

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Poker welcome bonuses and free real money games

Win real money by playing for free using the poker bonuses in our online poker site reviews.

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BetOpin Recommended Bookies

Smarkets BetDaq Matchbook Spreadex Karamba Sporting Index Betfair
Smarkets BetDaq Matchbook Spreadex Karamba Sporting Index Betfair
£10 no risk bet for new accounts Claim Offer Up to £1,000 commission cash back Claim Offer Up to £500 commission cashback Claim Offer iPad or £300 cashback in your first 28 days Claim Offer £10 Free Bet Claim Offer £100 to get you started Claim Offer £10 risk free bet Claim Offer
Visit Smarkets Visit BetDaq Visit Matchbook Visit Spreadex Visit Karamba Visit Sporting Index Visit Betfair
Smarkets Reviews BetDaq Reviews Matchbook Reviews Spreadex Reviews Karamba Reviews Sporting Index Reviews Betfair Reviews