With us - you only need to choose one service provider

Flexible workforce dedicated to service your energy asset

We know your assets and we know all your systems

No need for several service providers

We offer flexible service solutions within all disciplines and full scale service agreements

Service agreements

Service agreement that fits your needs and save money on both service and administration.  We call our flexible service solutions SemService.

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Service agreements

Service disciplines

We provide service within a wide range of disciplines. While you focus on your business we take care of your assets and installations.

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Service Disciplines


Some of our service areas include a hotline service - in this way you can get in touch with our service teams 24-7-365
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Hotline service

We take care of all your service and maintenance needs

Complete service partner

We service offshore oil and gas installations, offshore wind power installation and other energy installations.


Complete survey to assess the condition of your asset and determine the level of service and maintenance.


Efficiency and flexibility

Having all trades available in-house ensures efficient cooperation and coordination. It also enhances flexibility and enables us to offer scalable service and maintenance agreements.

Global reach – local presence
Customers all over the world can benefit from our expertise and equipment at their their premises or ours.

Our service team perform high quality service and maintenance of all systems on your offshore assets.

Safety always comes first. All our engineers and technicians are trained and hold all necessary certificates required to perform service and maintenance of your assets.