Should you end up in dispute with a bookmaker or any gambling operator over a bet and are unable to resolve the matter after having been through their own internal dispute resolution procedures you may contact the Independent Betting Adjudication Service (IBAS).
IBAS act as an impartial adjudicator on disputes that arise between betting/gambling operators and their customers.
Contact IBAS,
Website: www.ibas-uk.com
Telephone: 020 7347 5883