- Abbey Tax
- Academy of Chief Executives
- Access Group
- Allied Domecq
- American Society for Industrial Security
- Amersham Health
- Anchor Trust
- Apprentice Academy
- Arcadia Group plc
- Arqiva
- ASE
- Association of Public Health Observatories
- Assured Group
- Atradius
- Automobile Association
- Aviva
- Avon Cosmetics
- Ayscough Travel
- BBC
- Bally
- Barclays
- Beatties
- Berkeley Morgan
- Belmont Insurance
- Blenheim Bishop
- Bluestone
- Boddingtons
- Bourne Leisure
- British Dental Association
- British Orthodontic Society
- Bunzl Catering Supplies
- British Orthodontic Association
- BSKYB
- Bunzl
- Business in the Community
- Café Royal
- Capespan
- Carnival
- Carton House
- Cisco Systems
- C&A
- Clarion Communications
- Clarks
- Coca Cola Enterprises
- Compass Group
- Connect Vending
- Costa Coffee
- Cranmore School
- Crewe Hall
- Crown House
- Cunningham Lindsey
- Cushman and Wakefield
- David Lloyd Leisure
- Dell
- Diageo
- Diaverum
- Distribution Technology
- Documedia
- DSTI
- Durham University
- Environment Agency
- ETA Circuit Breakers
- Ferndale Foods
- First Drinks Brands First Personnel Group
- First Quench
- Flannels Group
- Floors2Go
- Futures Housing Group
- Gerald Eve
- Green and Co.
- Greene King Pub Partners
- Greggs
- The Guild of Business Travel Agents
- HM Treasury
- Halfords
- Hasbro
- Hayward Tyler
- Hewlett Packard
- Highbury SPL
- Holland America Cruise Lines
- Holmen Paper
- House of Fraser
- Houlden Jewellers
- ICI
- Interbrew UK
- IMG-The Industrial Maintenance Group
- ITV
- John Lewis
- Johnnie Johnson Housing Trust
- Jory
- Lafarge Aggregates
- LED
- Lloyds Pharmacy
- Lloyds TSB
- Manor Bakeries
- Mansfield Pollard
- Marks and Spencer
- Marriott International
- Martek Marine
- Michael O’Mara Books
- Midlands Leadership Group
- Momentum
- NAAFI
- National Audit Office
- National Construction College
- NHS Modernisation Agency
- NHS Live
- Nokia Corporation
- Nordic Forest Terminals
- Novartis Nutricia
- Olicana
- Orange
- Pasta King
- Pentland
- Plastico
- Precision Polymer Engineering
- Pret a Manger
- PricewaterhouseCoopers
- Pythagoras
- QBM Distributors
- Quaker Oats
- Rank
- Refresco Gerber
- Ridgeons
- Royal Bank of Scotland
- Sanderson
- Seabourn Cruise Lines
- Seddon
- Seven Stones
- Simpson Group
- Sir William Borlase’s Grammar School
- Skipton Financial Services Ltd
- Sommer Holdings
- Sony
- SPAR
- Specsavers
- SPL Publishing
- Sport England
- SSL International
- Standard Life
- St.Paul Insurance
- Strauman
- Sun Microsytems
- Superstars
- Sutton & East Surrey Water
- TEC International
- TES Aviation
- T-Mobile
- Transport for London
- Unite
- United Brands
- Vistage International
- Wellburn Care Homes
- Welsh Assembly
- Whitbread Hotel Company
- White Stuff
- Williams Medical Supplies
- Williams Lee
- Windsor Bishop
- Woodmansterne