A
- Arts Council London
- Aviva Investors Ltd
B
- Barbican Centre
- BBC
- Berkeley Homes plc
- Birmingham Hippodrome
- Birmingham Mailbox
C
- Canal & River Trust
- Canary Wharf Ltd
- Chelsea & Westminster Hospital
- Chichester Cathedral
- Chichester Cathedral
- Christ Church Oxford
- City and Islington College
- City and West End
- City Inn Hotels Ltd
- City of London
- City of Westminster College
- City Offices LLP
- Clementine Investments Ltd
- Corby Borough Council
- Corpus Christi College, Cambridge
- Coventry City Council
- The Crown Estate
D
- Delancey London UK Ltd
- Department for Culture Media and Sport
- Department of Constitutional Affairs
- Derby City Council
- Docklands Light Railway
E
- Ealing Borough Council
- Edwardian Group
- Exemplar
- Eyre Estate
F
- Feilden & Mawson LLP
- First Stop Hotels
G
- Glasgow City Council
- Golfrate
- Great Portland Estates
- Greycoat Estates Ltd
- Grosvenor Britain & Ireland
- Grosvenor Developments Ltd
- Gulbenkian Foundation
- Gustafson Porter
- Guy’s and St Thomas’ Charity
- Guy’s and St Thomas’ Trust
H
- Hanover Square Group Ltd
- Historic Royal Palaces
I
- ICAEW
- Imperial College London
J
K
- Kennedy Wilson
- Knightsbridge Project Management
L
- Land Securities plc
- Legal & General Investment Management Ltd
- Liverpool Housing Action Trust
- Lodha UK
- London Architecture Biennale
- London Borough of Camden
- London Borough of Ealing
- London Borough of Greenwich
- London Borough of Islington
- London Borough of Newham
- London Overground
M
- MediaCity UK
- Mitsubishi Estate Co. Ltd.
- Morley Fund Management
- Mount Anvil
N
O
- Olympic Delivery Authority
- Oxford Science Park
P
- The Pollen Estate
- The Portman Estate
R
- Resolution Properties
- The Roundhouse
- Royal Air Force Museum, Hendon
S
- Scottish Widows Investment Partnership Ltd
- Serpentine Gallery
- South West London Health Partnerships / Kingston Primary Care Trust
- Southwark Health Centre
- St John's College Oxford
- St Martin-in-the-Fields
- Stanhope plc
T
- The Royal Parks
- Transport for London
- Tribeca Development Portman UK
U
- United Reformed Church
- University of Aberystwyth
- University of Cambridge
- University of Exeter
- University of Oxford
W
- Wandsworth Council
- Westgate Oxford Alliance
Y