United Marine Service Group is a global service provider. Our company is based in the Netherlands, located in the Rotterdam harbour area.

By using the combined strength of our five partner companies cooperation, we are able to offer repair and service on site including installation, balancing, commissioning and high quality workshop repairs.

United Marine Services Group does not only solve your technical problems but also to by your long-term maintenance partner. Taking care of your projects and participating in long-term solutions, so that our customers can focus completely on their core activities, is what we do best. We are highly customer-oriented and experienced.

With these qualities, United Marine Services Group is your 24/7 worldwide service partner in the maritime sector.

MasTwin specializes in service and maintenance of various machines (aerial work platforms, light poles, generators, excavators)

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Loenen Repairs bv is located in the Rotterdam harbour area, They do the general ship repairs. We manage all works above the water line.

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Rotterdam Propulsion Services B.V. is a ONE STOP SHOP service and repair company based in the heart of the Rotterdam harbour area.

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Harbour Electronical Services BV does repairs and installation of offshore & marine electrical equipment. We are also your electrical supplier

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Rotating Repairs Rotterdam takes care of all kind of electrical motors. Repairs, maintenance and, if needed, replacement of your current system.

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