Listed below is a selection of clients that have benefited from IMSA's experience.
Either from the training of their personnel or direct consultancy services.
| ADM | APM Terminals | Armor Group |
| Bergensen Worldwide Offshore | BGP Marine | Brass LNG Nigeria |
| BW Offshore | Chub Security | Control Risk Group |
| Coolreeagh ESB | Corporation of Hamilton Bermuda | Dover Harbour Board |
| Dragon LNG | Echo Marine | Euroships |
| Exxon Mobil | Fairlie Quay | Fowey Harbour Commissioners |
| Fred Olson Marine Services | Global Strategies Group | Harwich International Port |
| International SOS | Isle of Man Marine Administration | Marine South West |
| MMSL | Maritime Underwater Security Consultants | M/Y Diamond Forever |
| M/Y St Jean | National Grid Terminal | Nexen |
| North Atlantic Shipping Agency | OKLNG Nigeria | Olive Group |
| Port of Dover | Port of Tilbury | Portland Bunkers International |
| Reliance Security Services | Royal Marines | Sakhalin Energy Russia |
| Saladin | Sims Group | Southampton Container Terminal Ltd |
| Stena Line Irish Sea Ltd | SD Associates Ltd | Thames Port |
| United Nations |