• Royal Bank Of Scotland
• Nat West
• Initial City Link
• BUPA
• Cable and Wireless
• Royal Mail
• The Post office
• Parcel Force
• Shell
• Toyota
• Lexus
• PC World
• E-Gain
• CPP
• Herald Chase
• NHS 24
• Princess Marina Hospital
• Pertemps
• Kaiser and Kraft
• Tristar cars
• Mac Management International
• Hillingdon Primary Care Trust
• Harrow Primary Care Trust
• London Borough of Havering
• London Borough of Tower Hamlets
• Lombard Direct
• The Audit Commission
• Mindstore
• Cyren
• Hayes Staff
• Dawsons Rental
• HBOS
• CPC
• Premier Farnell
• Indigo Press
• Surrey Police
• Coloplast
• SHL
• SAS UK

Mark is certified to use the following tools:

• Reversal Theory Practitioner
• NLP Master Practitioner and Certified Trainer
• NLP New Code Practitioner
• Neuro Semantic Practitioner
• Neuro Semantic Coach
• FIRO Elements B, F and S
• Jung Type Indicator (Myers Briggs)
• Levels A and B Psychometrics
• Passat 2000, NEO, Eysenck Personality Profiler, PF16
• Alpha Leadership Practitioner and Coach (NLP based programme)
• Spiral Dynamics Master Practitioner
• Leadership Development Framework Practitioner
• SDI (Strength Deployment Inventory) Practitioner
• Appreciative Inquiry Practitioner
• Clean Language Practitioner (counselling and coaching)
• Enneagram Practitioner
• NVC Practitioner
• Hogan DS Practitioner
• Aston Team Performance Indicator Practitioner
• Cymeon Learning Styles Practitioner
• Cymbion Practitioner
• Gordons Psychometrics Practitioner