The membership of the group was established on a tripartite basis, with equal representation from all 3 social partners, employers, trade unions and Welsh Government.
Penderfynwyd ar aelodau’r grŵp ar sail driphlyg, gyda chynrychiolaeth gyfartal gan y tri phartner cymdeithasol, cyflogwyr, undebau llafur a Llywodraeth Cymru.