- Schroder Charity Trust
- City Bridge Trust
- The Clothworkers' Company
- Paul Hamlyn Foundation
- The Meikle Foundation
- Peacock Trust UK
- Hadrian Trust
- 29th May 1961 Charitable Trust
- Harold Hyam Wingate Foundation
- Marsh Charitable Trust
- The Broyst Foundation
- The Haramead Trust
- Johnson Brothers
- Sir James Knott Trust
- The Astor Foundation
- PF Charitable Trust