Holy Trinity Church supports the work of:
- Francesca Elloway, working as a doctor with CMS in the Democratic Republic of Congo.
- Liz Williams, working with SIL in Chad on Scripture translation and the promotion of literacy.
- Petr and Veronika Tichy, working with Betel in the Czech Republic to provide accommodation, work, and Christian discipleship for recovering drug addicts.
- Holy Trinity is linked through the Bristol Diocese/Church of Uganda partnership with St Janani Luwum Church in Kitgum