Bookmakers £100 Bet Bonus Deals - (2026)
Updated: 09/03/2026
Welcome to the £100 bet bonus offers from our recommended online bookmakers.
£300 Cashback Offer
Sporting Index Mobile provides a safe and secure enviroment to try out your spread betting techniques and also to enjoy fixed odds betting. The leading spread betting bookmaker, online since 1992, offers two great welcome bonuses for newplayers.
• Sporting Index reserves the right to exercise its sole discretion as to whether or not to open account facilities for any prospective client. Sporting Index reserves the right to amend, withdraw or restrict this offer at any time without notice.
• Sporting Index reserves the right to withhold this offer when it has reasonable belief there has been co-operation, collusion or organisation of bets from the same source, or if it has reasonable belief that the offer is being abused in any way. Sporting Index is the sole arbiter of these rules and any other issue arising under the promotion.
• No staff member (or any relation or partner thereof) of any spread betting or fixed odds bookmaking firm is eligible to take advantage of these offers.
• Offer cannot be used in conjunction with any other Sporting Index offer and will expire if the required number of qualifying settled sports bets have not been placed within 28 days of opening an account.
• Unless otherwise stated, clients reopening Sporting Index accounts do not qualify for the offer.
What better way to start placing your bets than with a £100 boost to your bet bankroll. All the bookmakers on this page will give you a £100 bet as a bonus.
How to Get the £100 Bonus
- Register a new account at the bookmakers on this page, make a deposit and start your journey towards qualifying for the £100 free bet amounts.
- The bonus money earned from your qualifying wagers or deposits is yours to keep, subject to any rollover requirements which must be met first.
- You can then use the amount as a £100 bet credits on any sports selection of your choice.
- More details on how to claim the £100 bets are available at each of the bookmakers site.
https://sportingways.com/free-bets/
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