Clients Jonathan has worked with include:

• Arcadia 
• BAA
• Chartered Institute of Personnel and Development
• Centrica
• Debenhams
• Deloitte (Audit and Tax Practices)
• Derngate Theatre (Northampton)
• Dewhirst (Clothing)
• Dewhirst Toiletteries
• EDF
• Financial Services Authority
• Guinness
• Hitachi Credit
• Homeserve Emergency Services
• HSBC
• London Borough of Hillingdon
• Luton Borough Council
• Movianto
• National Housing Association
• Newcastle Building Society
• Norwich Union
• Pi Research
• Phillips International Auctioneers and Valuers
• Private Patients Plan
• Rover International
• Safeway
• Scania
• Total Media
• The Van Hage Garden Company
• Wickes Building Supplies