N-Sea Group

company 1 Deal 3 Partners

Velsen-Noord, Netherlands-based N-Sea Group is an offshore subsea services provider with over 300 employees, specializing in integrated subsea solutions for the offshore energy and infrastructure sectors, including renewables, oil & gas, and unexploded ordnance (UXO) clearance.

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Founded 1995 300 employees

Offshore Services ProviderEPC ContractorOperator

Strategic Overview

Strong focus on providing integrated subsea solutions for the offshore wind sector, including cable installation, inspection, maintenance, and repair (IMR).
Expertise in unexploded ordnance (UXO) clearance, a critical service for new offshore energy developments.
Offers a comprehensive range of services from engineering and project management to execution, positioning itself as a full-service marine contractor.

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Deal History (1)

N-Sea Group enters long-term charter agreement for newbuild offshore support vessel Dominus

Partner Other Netherlands Mar 10, 2026

Investment Focus

Technologies

Other1

Geography

Netherlands1

Key People

Gerard Keser

CEO

Rob van der Hout

CFO

Iwan de Jong

COO

Track Record

Years Active

Detailed Analysis

Technologies

Offshore WindOil & GasTransmissionEnergy Transition

Geographies

The NetherlandsUKCanadaGermanyBelgiumDenmarkFranceNorwayIrelandUSA

Deal Stage

GreenfieldOperating

Subsidiaries

N-Sea UKN-Sea CanadaN-Sea Germany

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