ABN.Amro, Actavis, Albert Court Ltd, Aldi Stores Ltd, Amec, Anderson Consulting, Albert Court, A&N Media, AON, Arcelor Mittal, Areva, Automobile Association, Air Canada, Alvis Vehicles, Amnesty International, Anquila Corporation, Architects (many and various), Arup, Axa Investments.

BAA Lynton, Bam Construction, Bank of America, Ballymore Group, Barclays Bank, Barclays Capital, Barratt Homes, Barratt London, Barton Properties, BASF, BBC, B.A.T Industries, BSKYB, Bellway Homes, Benchmark Properties, Bexley Council, Bluebutton Properties, BNP Paribas, BNY Mellon, Bovis Lend Lease, British Airways Pension Fund, Bristol & West Building Society, Britannia Building Society, British Aerospace, Bluebutton Property Company, British Land, British Museum, British Petroleum, BT, British Waterways, Brooke Bond Foods, Brown & Root, Building Research Establishment, Burberry, BZW, Bournemouth Borough Council, BBC, BBC Worldwide, Building Services Consultants (many and various).

Cadogan Estates, Cape Group, Canary Wharf Management, Capital Bank, Catalyst Housing, Carlton TV, CB Richard Ellis, Channel 4 Television, Chelsfield PLC, Citibank, Civil Aviation Authority, T. Clarke PLC, Clean Room Construction, Commission for New Towns, Computer Associates, Cornhill Insurance, Chartered Bank, Chase Manhattan Bank, Cazenove Bank, Chemical Bank, Close Brothers Bank, Coal Board Pension Fund, Conoco, Co-Operative Retail Society, Crest Nicholson, CTP, Crosby Lend Lease. Croydon Council, Cushman & Wakefield.

Damhead Creek Ltd, D.O.E. (reg consultant), Deloite & Touche, De La Rue International, Deutsche Bank, DTI – Companies House, Department of Social Security, Derwent Cogeneration, Deutsche Morgan Grenfell, Direct Line Insurance, Dixons Stores, Drivers Jonas, Durkan.

Eagle Star Insurance, EDF, Engineering Consultants (many and various), Enterprise Power Services, ETS Lindgren, Ericsson, Excite UK, Exxon Mobile.

Faber Maunsell, Faltec Europe, Financial Times, First National Bank of Chicago, Ford Motor Company, Fluor, Foyles Bookshop, Fujitsu Services.

Galiford Try Partnership, Gazeley UK, Graphene Institute, GC Campden Hill, GE Caledonian, GE Sensing & Inspection, Goldcrest Land, GVA Second London Wall, Glaxo, GlaxoSmithKline, GEC Avionics, GEC Plessey, Goldman Sachs, Great Portland Estates, Great Wigmore Partnership, Guardian Assurance, Guildhouse Rosepride, Guys and St. Thomas Foundation Trust.

Haig Housing, Health Authorities, Henderson UK Propery, Henderson Global Investors, Herbert Smith, Hermes House (UK), Helius, Hill Samuel, Hines, Hitachi, HM Customs & Excise, Home Office, Howard De Walden Estates, Hurley Palmer Flatt, HSBC Investment Bank. Hammerson Property.

IBM, International House, ING Real Estate Development, Imperial Cancer Research, Interserve Construction, Insight Investments (division of HBOS), ITV Properties.

John Sisk & Sons, JP Morgan, JP Morgan Chase, J.Sainsbury PLC.

Kier London, Kier Eastern, Kier Building Services, King Sturge, KPMG Peat Marwick.

Ladbrokes, Land Rover, Land Securities, Leeds Metropolitan University, Legal & General, Linklaters, Linseed Assets, Lloyds TSB, Lloyds Register of Shipping, Local Authorities, London Borough of Croyden, London College of Creative Media, London Stock Exchange, LSI Logic, Lucent Technologies (AT&T)

Mace Group, M3 Consulting, M&D Developments, McAlpine, M3 Consulting, M&G, MBNA, Marconi, Marks & Spencer, Medical Research Council, MEPC, Merrill Lynch, Metro Shopping Fund LP, Metropolitan Police, Midland Bank, Microsoft, Middlesex Sarl, Ministry of Defence, Mole Valley District Council, Morgan Bank, Morgan Sindall, Mutual Assurance.

National Australia Bank, National Grid Property, National History Museum, National Westminster Bank, Nativeland, Network Rail, Newlon Housing Trust, NHS, Nortel, Northern Ireland Electricity, Northern Trust, Norwich City Football Club, Nynex.

Olivetti, Open University, Orange, Orta Solar Farms.

Pace Investments, P&O Nedlloyd, Perpetual, Pearson Television, Polygram Records, Post Office, Phillips, PKS Architects, Premier Foods, Prologis, Prudential Assurance, Prysmian Cables & Systems.

Railtrack, Ranger Oil, RBE Investments, RBS Investments, Reckitt & Coleman, Readers Digest, Redrow Homes, Redrow London, Regents Park Estates, Regus, Robert Flemings, Royal Bank of Scotland, Royal London & Mutual Assurance, Royal Mail, Royal Mail Estates, Marsden NHS Trust Hospital. Royal Veterinary College, RTZ.

Scape Living, Scott Wilson, Scottish & Newcastle, Seimens, Simons, Sir Robert McAlpine, Shroders, Shimizu, Sir Robert McAlpine, Solicitors (many), Southampton Biomass, South Wales Electricity, Spiral Software, Standard Chartered Bank, Standard Life Insurance, Stanhope PLC, State Street Bank, Surrey Police, Sun Life Assurance, Swiss Reinsurance.

T. Clarke, Tarmac Construction, Telewest, Telecity Group, Terrace Hill, Thamesgate, Thames Water, Therese House, Thomas Sinden, Threadneedle Investments, Trafalger House Technology, TSB Pension Fund, Turkish Embassy, Turner & Townsend, Tweeds, Tyne & Wear Development Corporation.

U.K.A.E, UK GSE, UBS Warburg, UK Armed Services, UK GSE Ltd, Unilever, University College Northampton, University of Bristol, University of Cambridge, University College London, University of Lancashire, University of Northampton, University of Oxford, Urban Velvet Design, URS Corporation, URS Scott Wilson, USS, Utilicom.

Valleyfrost LLP, Vanquish Properties, Vauxhall Motors, Vickers Defence Systems, Virgin, Vodafone.

Waterman Environmental, Water Authorities, Waterway Properties, Wates Construction, Westbury Homes,  West Register (Realisations), Whitecode Design, Wilson Bowden, Workspace Group.

Zed Homes