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and subsea

Industry-leading products and services for the renewable, nearshore construction and oil and gas sectors across all phases of the lifecycle.

Market segments

foundations and cables


Our fully integrated subsea foundation and cable services support energy projects across industries by securing and connecting offshore assets. We can offer, through a single contract, a fully project-managed engineering-to-installation service that includes our world-leading hydraulic piledriving hammer solutions, innovative noise mitigation technology, seabed drilling and grouting, and tubular handling.

mooring and anchors


Floating assets require bespoke, reliable mooring systems tailored to suit factors including soil and marine conditions and structure size. Our engineers can draw on their extensive mooring domain knowledge and experience, and our large, global inventory of mooring equipment to design and install mooring systems for any type of offshore asset, regardless of water depth and topside structure – from floating wind turbines to FPSOs. We also offer cost-saving anchoring solutions and are working on industrialising mooring systems to help meet levellised cost of energy targets for offshore floating wind developments.

ALE Main 1


Back-deck and rigless solutions that create value by driving vessel optimisation or reducing rig time. We also provide riser systems, decommissioning services, including well abandonment, fixed and floating asset removal, and subsea site remediation.



Our digital technology gives customers access to the real-time status of their offshore assets, thereby helping them to make informed, strategic decisions. We provide structural and corrosion monitoring systems connected to our cloud-based management applications that enable customers to monitor their assets remotely. By optimising data capture and applying domain knowledge to the results, we eliminate the costs associated with offshore planning, operations and communication.

Market segments

acteon graphic (no text1)


We provide operational efficiency for large-scale, multi-vessel geophysical, geotechnical and positioning campaigns. Our approach, including survey integration, can help to provide more accurate ground models for de-risked, cost-effective structure designs. In addition, the use of autonomous surface and subsea vessels, and data-driven efficiency can help to decarbonise operations and improve safety by reducing personnel on board. We use local resources and infrastructure to work closely with our customers, add value through local knowledge and deliver relevant, high-quality data that can help to improve long-term project outcomes.

offshore engineering


Specialist engineering services, born out of our complex dynamic structural analysis and riser design services, to deliver complete project solutions, from feasibility and concept design through to delivery and installation. For example, we design minimal facility platforms that enable the development of marginal gas fields, and work on complex deepwater developments and floating offshore wind foundations.

electronics and tooling


Providing the global subsea market with lightweight observation ROVs and other marine electronic equipment for rental or purchase. Our extensive, global equipment inventory enables prompt delivery that, along with 24/7 international technical support, helps our customers to maximise product use for a greater return on investment.

manpower services


A complete solution for the recruitment, on-boarding, mobilisation and assignment management of personnel. Working across a project’s life cycle we also can provide an array of contract consultants and permanent candidates.


Turbines out to sea


Acteon has adapted its solid structural engineering, offshore mooring and marine operations expertise to the offshore renewables sector. We adopt a factory approach to construction and installation and create engineering solutions that can optimise capital and operating expenditure to lower the life-cycle levellised cost of energy (LCOE).

The plant at night.


From installation, through maintenance, to removal of infrastructure, the variety of subsea challenges faced by operators and service companies has never been greater. Acteon creates new and disruptive commercial and technical offerings that reduce costs and increase operational efficiency throughout all phases of the life of field.

fish farm


Aquaculture has a significant role to play in sustainably feeding the planet and relieving the burden on ecosystems. Acteon provides infrastructure products and services that have direct application for installing, maintaining and removing shallow and deepwater aquaculture facilities.

Drilling and Pile installation services


Nearshore marine construction projects will be increasingly needed to support economic growth. Products and services developed by Acteon for the offshore oil and gas industry have direct application in this sector.

case study 1

Featured project

Our strategic partnership with Van Oord resulted in the installation of 72 monopiles for Danish Krieger’s Flak in a record time. The swift offshore installation meant a significant reduction of cost and organisational effort for the client.

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Offshore renewables buyers guide

Smart, standardised infrastructure solutions.

Acteon provides a single interface and a holistic structural approach for a wide range of speciality services and equipment from front-end engineering to mooring services and other marine operations such as towing and cable layout. Truly joining up aspects of life-cycle engineering to optimise all phases and account for cause and effect throughout the project, allows us to deliver the lowest Levelised Cost of Energy (LCOE).



MENCK to provide hydraulic piledriving hammer solution to Seaway 7 for Vattenfall’s Hollandse Kust Zuid I–IV (HKZ) offshore wind farm project in the Netherlands
MENCK to provide hydraulic piledriving hammer solution to Seaway 7 for Vattenfall’s Hollandse Kust Zuid I–IV (HKZ) offshore wind farm project in the Netherlands
MENCK has signed a contract with Seaway 7 to provide an MHU 3500S hydraulic hammer and spread for the installation of 140 monopile foundations for Vattenfall’s Hollandse...
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  • Development Operations
    How suction embedded plate anchors can reduce your project's footprint
    In this blog, we examine the technical advantages of suction embedded plate anchors and how they can reduce a project's financial and environmental footprint.
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  • Responding to the challenges of the offshore wind industry: Supply chain constraints
    In this blog, we look at supply chain capacity and constraints within the offshore wind energy market and what the supply chain is doing to manage the increasing demand and...
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