Mae Mrs Britton yn aelod hefyd o'r Pwyllgor Anrhydeddau Chwaraeon; Bwrdd Atal Dopio'r DU; Pwyllgor Cynghori ar Ddosbarthiadau Paralympaidd Prydain a Bwrdd Saethu Prydain Fawr. Bu hefyd yn rhan o Raglen Arwain Ryngwladol Chwaraeon y DU ac mae'n aelod o Is-grŵp Chwaraeon Elît Chwaraeon Cymru a Phwyllgor Para-saethu Ffederasiwn Saethu'r Byd.
Mrs Britton is also a member of the Sports Honours Committee; UK Anti-Doping Board; British Paralympic Classification Advisory Committee and the Archery GB Board. She is also an alumnus of the UK Sport International Leadership Programme and a member of the Sport Wales Elite Sport Sub Group and the World Archery Para-Archery Committee.