A large range of expertise

With our mechanical, electrical and automation expertise, always focused on our customer’s needs, we deliver a significant added value to ship owners and shipyards, to meet their expectations.

Beside onboard activities, we also provide solutions and services for the whole port infrastructure as well as turnkey solutions that deliver energy efficiency, emission reduction and fuel savings.

Marine – Onboard services


Actemium offers a wide range of services, repair and maintenance and also provides spare parts. Our experts presents a global offer from project engineering to sea trials.

From electric and hybrid propulsion systems, energy management, production and storage for ship owners and shipyards, our company provide turnkey solutions that deliver energy efficiency, emission reduction and fuel savings.


    Production, distribution,management, storage
    • Innovative energy management systems
    • Development of smart, autonomous and energy efficient systems
    • Energy optimization
    • Energy conversion equipment: storage, shore power, propulsion

    … PMS, the solution for energy optimization of your vessel


    Electric motors on variable speed :
    • Electric motors up to 4 MW
    • Main propulsion system driving a shaft line directly or through a gearbox or driving an azimuth thruster
    • Auxiliary and transversal propulsion
    • Auxiliaries : winches, fans, pumps, etc.
    Innovative propulsion systems :
    • Electric propulsion
    • Hybrid propulsion
    • Hydrogen propulsion
    • Specific energy storage equipment
    • Propulsion Control System (PCS)

    Equipments and packages

    Manufacturing in our switchboards factory:

    • Switchboards until 10 000 A
    • Distribution and control panels
    • Machine, wheelhouse and communication control plates
    • Refrigeration skid for propulsion switchboard
    • Customized or standard according to your classification needs : BV, LR, DNVGL…

    Providing comprehensive electrical packages:

    • Design
    • Fabrication
    • Delivery of the full equipment for the electrical systems onboard
    Onboard installation and coordination


    • Anticipating and controlling the specific requirements of the marine environment
    • Cabling and connecting the full electrical installation


    • Managing your project autonomously with our skilled technicians
    • Managing and coordinating installations with local partners or yard electricians


    • Verifying the conformity of cabling and connections
    • Checking the equipment operation
    • Classification control and survey
    • Commissioning, harbour trials

    Sea trials:

    • Checking operational condition at sea
    • Full validation of equipment

    Customized systems for automation and supervision

    Controls and monitoring of:

    • Propulsion: propeller, clutch, gearbox
    • Auxiliary equipment: pumps, fans, valves
    • Automation systems specific to the vessel need
    • AMS – Alarms and Monitoring System
    • Centralization of data

    Internal communication systems:
    • Intercom, public address, analog or IP type
    • Audio and video entertainment systems, Ground/Satellite media reception
    • Analog or IP CCTV
    • Data networks, redundant IP networks
    • Voice networks
    External communication:
    • Radio communications – UHF, VHF, BLU…
    • Satellite Communications – INMARSAT Fleet, Vsat…
    • GMDSS
    • Navigation equipment
    • Acoustics: sonars, sounders
    • Beacons

    Managing your project from design to turnkey delivery
    • Analysis and expertise
    • Application recommendations
    Studies and engineering of your project
    • Design of global or partial solutions
    • Defining and sizing of the networks
    • Innovative systems development
    • Assistance and validation of the integration and coordination documents

    Refit and maintenance experts
    • Managing quickly the trouble shooting and overhauls
    • Providing maintenance according to your schedule requirements
    • Bringing our expertise for refits
    • Providing ISS, in service support
    Spare parts management

    Right spare, right time, right place:

    • Technical support for adapted solutions
    • Sourcing
    • Supply-chain management
    • Customs facilities

    Spare part :

    • Electricity
    • Instrumentation and measure
    • Control and regulation
    • Automation
    • Hydraulic and pneumatic