MSI has provided Professional Services to a range of clients, including:
- NAB (National Australia Bank)
- ANZ Bank
- AustralianSuper
- Building Commission
- BP Australia
- Cadbury Schweppes
- Coles Myer
- Department of Infrastructure (Victorian Government)
- Department of Premier and Cabinet
- Fosters Group
- Matnick Security
- Medibank Private
- Melbourne Water Corporation
- National Foods Limited
- Plumbing Industry Commission
- Reach Global Services
- Reveal Group
- Sensis
- Symantec
- Victorian Legal Aid
- VicUrban (Victorian Government)
- Wilson Security