The members of ECC have been successful in establishing long term, effective working relationships with large and small clients from both the public and private sectors. The clients of Iain McCormick include the following:
Public sector
Core government departments
- Civil Service Institute of Training and Development- Hong Kong
- Correctional Services of Canada
- Department for Courts - New Zealand
- Department of Conservation - New Zealand
- Health Department - New Zealand
- Health Funding Authority - New Zealand
- Health Waikato - New Zealand
- Hong Kong Police
- Industry Department - Hong Kong
- Justice Department - New Zealand
- Land Registry - Hong Kong
- Social Welfare Department- New Zealand
- The New Zealand Treasury
- Transport Department - New Zealand
- Ministry of Transport - New Zealand
- Waitemata Health