Adams and Sutherland

AGS

Allied London

AMEC Developments

Aram Design

Ardmore Group

Argent Group

Arlington Securities

Arsenal Football Club

Arts Council of Great Britain

ASDA Stores

Ashbourne Beech Property

Ashburton Trading

Ashcroft Estates

Attendus

Avon Estates (London)

B.E. International

Ballymore Properties

Barratt London

Barwood Land

Bellway Homes

Berkeley Homes

Blandford Dorset

Bourne Capital

Bovis Homes

Brent Council

British Land

British Waterways

Bryanston School

Burrell Company

Cain International

Canary Wharf Group

Capital & Counties

CCD Properties

Central Land

Centros Miller

Charterhouse Estates

Circle Thirty-Three Housing Group

City of Edinburgh Council

Claygreen

Co-operative Insurance Society

Cole Waterhouse

Collins Theatre Trust

Commercial Land

Concordia Bau and Boden

County & Metropolitan Homes

Cowell Group

Cruden Buildings & Renewals

Cruden Estates

Crystal Partners Property Development

Curatus Trust

Cutler & Gross

Eagle Star Properties

Earls Court and Olympia Group

Eastglen Developments

EDAW

EDI Group

Electricity Supply Nominees

Ely Properties UK

English Cities Fund

Enstar Capital

FairBriar

Finsgate Properties

Fisherking Enterprises

Fresh Wharf Estates

Fulham Village

Genesis Housing Association

Gill & Co

Giltarc

Glasgow City Council

Glasgow Development Agency

Grosvenor

Guildhouse-Rosepride

Guildmore

Hamon Investment Group

Higgins Homes

HUB Group

Hyde Group

Inland Homes

Inner City Enterprises

Jacobs Island Company

Janet Street-Porter

John Creed-Miles

Julie Balmforth & Andrew Wadsworth

Karis Developments

Kentish Homes

Kier Group

Laing O'Rourke

Linden Homes

Lint Group

Lochailort investments

London & Newcastle

London Borough of Southwark

London Borough of Tower Hamlets

London Buildings

MAB B.V.

Maggie's

Manhattan Loft Corporation

Morgan Sindall Construction

Muse Developments

National Art Collections Funds

National Gallery

National Portrait Gallery

Network Housing Group

New Edinburgh | Miller Developments

Newlon Housing Trust

Notting Hill Genesis

Nudo Properties

One 20 Development

Pact Educational Trust

Peabody Trust

Pembridge Association

Queens Park Rangers FC

Red Vale Property Developments

Redrow Homes

Renaissance Capital Partners

Resolution Property Group

Ridgeford Properties

Royal Academy

Royal Borough of Kensington and Chelsea

Royal Free Charity Properties

Sager Group

Sam Collins Theatre Trust

Samuel Smith Brewery

Scottish Development Agency

Scottish Enterprise

Severn Trent Water Authority

Slough Borough Council | Slough Urban Renewal

Southampton City Council

Southend United Football Club

Southern Housing Group

St James Homes

Starprop

Stoney Street Developments

Sunderland ARC

Taylor Wimpey

Terracotta Properties

The Brewery Square Development Company

The Environment Trust

The Thackeray Estate

The Trevor Osborne Property Group

Time Out

Tunnel Wharf Developments

UCLH Capital Investments

Uppingham School

Victoria Hall

Wandle Housing Association

Waterside Places

Workspace

Worstead Estate

Zen Developments