The Trefoil Guild is an adult section of Guiding which links members and former members, female members of the Scout Association and women who have not been Guides but who are prepared to make the Guide Promise.
- to keep alive the spirit of the Guide Promise and Law
- to carry this spirit into the community and
- to give support to Guiding
Members aim to keep the spirit of the Guide Promise and Law alive by belonging to a Guild which provides opportunities for friendship and giving service to Guiding and the community.
Membership is made up of:
- former or current members of Guiding
- those who have not previously been members of Guiding but who are prepared to make the Guide Promise
- Women who have been members of Guiding / Girl Scouting internationally
- Female current or former members of the Scout Association
- Female active or retired Support Group members who have made the Guide Promise.