| Abbott Mead Vickers |
| Accenture |
| Addison-Wesley Longman |
| Anderson Strathern |
| Anheuser-Busch |
| Anniesland College |
| Applecross |
| Aquila Europe |
| AstraZeneca |
| Australia and New Zealand Bank |
| Baltic Exchange |
| Bank of America |
| Bank of Ireland |
| Barclays |
| ByrneWallace |
| Beamish & Crawford |
| BearingPoint |
| BP |
| Brick Court Chambers |
| Bridgewater |
| Bristol Myers Squibb |
| British Airways |
| British Council (Edinburgh & Hong Kong) |
| British Library |
| Buckingham New University |
| Burlington Resources |
| Burnham Institute for Medical Research |
| Cabinet Office (UK) |
| Carlton Screen Advertising |
| Celltech Chiroscience |
| Central Bank & FSAI |
| Charter One |
| Chevron Texaco |
| City of Edinburgh Council |
| City of Edinburgh Specialist Schools |
| City of London Corporation |
| Colliers Jackson-Stops |
| Coutts |
| Covidien |
| Crown Office and Procurator Fiscal Service |
| De La Rue |
| DEFRA (UK) |
| Deloitte and Touche |
| Dickstein Shapiro |
| Digitas |
| Discovery Networks |
| DMB&B Advertising |
| Dresdner Kleinwort Wasserstein |
| DTLR |
| Duke Energy |
| Dumfries and Galloway College |
| East Michigan University |
| Educational Building Society |
| Edinburgh’s Telford College |
| Eisai |
| Electricity Supply Board |
| Energis |
| Entergy |
| Enterprise Ireland |
| EPR Architects |
| Ericsson |
| Etihad Airways |
| Fidelity |
| Fortis Bank Ireland |
| Friends First |
| Gap |
| GE Capital |
| GEC |
| Gilroy McMahon |
| Glasgow City Council |
| GlaxoSmithKline |
| Government Office of Yorkshire and Humber |
| Greater Glasgow & Clyde Valley Tourist Board |
| Grosvenor Estate Management |
| Harvest Financial |
| Hedge Fund in Connecticut |
| Helicon Therapeutics, Inc |
| Highways Agency |
| Home Office |
| Hospice of Southeastern Connecticut |
| ICI |
| IIB (now KBC Bank) |
| Imperial College London |
| Inverness College |
| Investec Ireland |
| Irish Aviation Authority |
| Irish Cancer Society |
| Irish Examiner |
| Irish Times |
| J Walter Thompson |
| Jefferies |
| John Player & Sons |
| Johnson and Higgins |
| JP Morgan |
| JWT |
| KazMunaiGaz |
| Kimberly Clark |
| Lehman Brothers |
| Lewis Silkin |
| Lloyds TSB |
| London Stock Exchange |
| Marconi |
| Marks & Spencer |
| Matheson Ormsby Prentice |
| McCann Erickson |
| McGrigors |
| McLaren Group |
| Merrill Lynch |
| Millenium Pharmaceuticals |
| Milton Keynes College |
| Mobil |
| Moore Stephens Nathans |
| Motherwell College |
| MTV |
| Nabarro Nathanson |
| National Australia Group |
| National Irish Bank |
| Natural England |
| NHS |
| Nomura |
| North West Development Agency |
| O2 |
| ODPM (UK) |
| Old Mutual |
| Olswang |
| Osprey Maritime |
| Park Developments |
| Pearson |
| Peoplesoft |
| Pfizer |
| Pinsent Masons |
| PricewaterhouseCoopers |
| Promark Software |
| Prudential |
| Queen Margaret University |
| Redwood Publishing |
| Regeneron |
| Renfrewshire Council |
| Rio Tinto |
| RM Data Solutions |
| Roche |
| Royal & Sun Alliance |
| Sainsburys |
| School of Oriental and African Studies |
| Scotmid |
| Scottish Court Service |
| Scottish Enterprise |
| Scottish Natural Heritage |
| Shell |
| Sony Ericsson |
| Starbucks |
| Sun Microsystems |
| Surrey County Council |
| Swiss Re |
| Symantec |
| TBWA GGT Simons Palmer |
| Tetra Pak |
| Toyota |
| UK Border Agency |
| University College London |
| University of Michigan |
| University of Strathclyde |
| University of the Arts |
| VISA |
| Vodafone Ireland |
| VTB |
| Weir Services |
| Wood Mackenzie |
| Young & Rubicam |