The Authority is empowered to licence, supervise and control gambling activities; to establish and maintain a register of gambling licencees and a National Gambling Exclusion Register; and to establish, maintain and administer a Social Impact Fund. It must set standards for, and certify, certain gambling products and business‑to‑business services; impose obligations on licencees and others in relation to advertising, branded merchandise, child protection, inducements, sponsorship, staff training, reporting of suspicious gambling and the maintenance of accounts and records; monitor and enforce compliance; take enforcement measures; deal with complaints; and take measures to stop prohibited gambling activities.

The Authority may enhance public awareness, act as a competent authority under the Act of 2010, enter information‑sharing arrangements domestically and internationally, engage in research, review and report to the Minister on the operation of the Act, and cooperate with the Charities Regulatory Authority, the Competition and Consumer Protection Commission, Coimisiún na Meán and the Revenue Commissioners. It has all powers necessary or expedient to perform its functions, is independent in that performance, and may require the chief executive to perform Authority functions other than those under Chapter 2 of Part 4 or Chapter 8 of Part 8.