- American Embassy
- Ambassador Theatre Group
- Brooke Vincent & Partners
- Capital & Counties Plc
- Crown Estates
- Chesham Place Ltd
- Clarke Associates
- Consort Property Management
- Dulwich Estates
- Goodacre Property Services
- JMW Barnard
- John Foreman & Partners
- Jones Lang La Salle
- Kensington Temple
- Kingsley Symes & Scott
- Kinleigh Folkard & Hayward
- Marler & Marler
- Matthews & Son
- Peabody Trust
- Spanish Embassy