In carrying out its duties, the Board is supported by a range of sub-committees, responsible for either carrying out a specifically delegated function of the Board or providing advice to the Board on areas requiring more in-depth and specialist analysis.

the Tribunal considers cases presented to it following the receipt of complaints received by the Executive, or following the Executive's own monitoring. The Tribunal is responsible for making a determination as to whether breaches of the PhonepayPlus Code of Practice have occurred and if so, imposing sanctions it considers appropriate to the case.  These sanctions range from requiring the breach to be remedied and imposing fines to barring access to services and prohibiting certain individuals from operating services for a set period.  The Tribunal also considers applications from service providers for permission to operate certain types of premium rate service.

the finance, budget and performance monitoring sub-committee is responsible for overseeing expenditure and presenting PhonepayPlus' budget and monitoring PhonepayPlus' core activities performance.

the audit and corporate governance sub-committee is responsible for managing the internal and external audit processes, as well as dealing with matters relating to risk management within PhonepayPlus.
 
the human resources and remuneration sub-committee is responsible for overseeing PhonepayPlus' human resources strategy and advising the Board on remuneration and related matters.