Current and former clients include:

Information Systems and Services

Hitachi, Oracle, Xerox, Kodak, Philips Medical, Mitel, PWC, BT, Cable & Wireless, Telkom, O2, IBM, Philips Digital Broadcasting, Telstra, Trayport, Vodafone, Oracle, Coins, Business Optix, CSC, Dell, Pitney Bowes, Smart, Insource

Financial Services

​Australia and New Zealand Banking Group, Allianz, BUPA, Halifax, Guardian, Zurich, Dresdner Bank, Norwich Union, Post Office Counters, American Express, Barclays, CPL, JP Morgan, Schroders, Royal & Sun Alliance, Standard Bank, Abu Dhabi Commercial Bank

Manufacturing and Logistics

​SKF, Pilkington, Tetra Pak, Scania, BOC, GKN/Westland, Hall & Woodhouse, SC Johnson, Parker, ICI, Alpha Laval, Kemira, Ocean Group, Am Trak, BMW, Carter Holt, Schneider, Sigma Coatings, Zeneca, Johnson & Johnson

​Energy

 Texaco, Castrol, BP, British Gas, Calor Gas, BNFL, Mobil, Shell, Yorkshire Electric

​Others

​National Fire Protection Agency, Energy Saving Trust, Emirates, Schering, SA Post, Cancer Research, Care UK, NHS, MOD and Local Government