Will GAMSTOP close accounts I already have or just new ones? Will GAMSTOP close accounts I already have or just new ones? Any accounts you attempt to access matching the details you’ve provided to GAMSTOP will be self-excluded. If you create new accounts after registering, they’ll be excluded as well. If you need any further assistance, please see our contact details here. Related articles Contact us What is GAMSTOP? Does this replace the normal self-exclusion option on a gambling site? Bet Builder What are Spending Controls?