- 29th May 1961 Charitable Trust
- A & G Ferguson Trust
- Big Lottery Fund
- Book People
- British Council
- Broyst Foundation
- City Bridge Trust
- Clifford Chance
- Clothworkers’ Company
- Dowager Countess Eleanor Peel Trust
- D’Oyly Carte Charitable Trust
- Esmée Fairbairn Foundation
- GSK
- Garfield Weston Foundation
- G J Wightwick Trust
- Hadrian Trust
- Harold Hyam Wingate Foundation
- IMI
- Jessie Spencer Trust
- Joicey Trust
- Lady Hind Charitable Trust
- Leatherseller's Company
- Legal and General
- Lloyds Bank Foundation
- Marsh Christian Trust
- Nicholas Crace
- Peacock Charitable Trust
- Schroders
- Schroder Charitable Trust
- SR Group UK
- The Meikle Foundation
- Tudor Trust
- Woodroffe Benton Foundation