N-Sea Group Company Profile by CMR

Company Profile

N-Sea Group Basic Information, Manufacturing Base, Sales Area, and Competitors

Sr. No.	Item	Description
1	Company Name	N-Sea Group
2	Website	www.n-sea.com
3	Established Date	1932
4	Headquartered	Netherlands
5	Market Position/ History	N-Sea Group originated in 1932 as Noordhoek Shipping Company and expanded into diving contracting by 1959. It entered the North Sea subsea market in 1980 and ventured into EPC oil & gas services in 1996. The company launched its survey division in 2004 and developed the TUP Diving System in 2005. In 2011, it was rebranded as N-Sea following acquisition by equity firm VEP. Further growth included founding UXOcontrol in 2016 and expanding into subsea cables in 2020. After being acquired by Capital Sea & Partners in 2021, N-Sea opened a new offshore base in IJmuiden and expanded regionally into the UK, Poland, and UAE. With long-term vessel charters and acquisitions such as Geo Plus and UXOcontrol, N-Sea continues to strengthen its fleet. In 2025, it partnered with Rabobank and repaid its long-term debt, while planning new vessel builds and a support base, positioning itself for future growth.
6	Sales Area	Worldwide
7	Manufacturing Location	Netherlands
8	Competitors	DRASS Galleazzi Unique Group SMP Hytech- Pommec
9	CEO	Arno van Poppel
10	Ownership Type	Private
11	Contact Information	Wilgenbos 2, (4th Floor), 3311 JX Dordrecht The Netherlands Tel: +31 (0)111 456 000

Business Segment or Overview:

N-Sea Group provides integrated total subsea solutions across the entire lifecycle of subsea infrastructure projects, serving clients in the renewable energy, utilities, and oil & gas sectors.

Integrated Subsea Solutions:

Offers end-to-end subsea services across the full lifecycle of underwater infrastructure projects.

Core Business Segments:

Survey: Hydrographic and geophysical data collection for planning and inspection.
UXO ID & Disposal: Identification and safe disposal of unexploded ordnance.
IRM & Construction: Inspection, repair, maintenance, and support for construction projects.
Subsea Cable Services: Repair and installation of telecom and power cables.
Data Management: Collection, interpretation, and delivery of subsea asset insights.

Advanced Vessel Fleet:

Operates a fleet of specialized multipurpose vessels equipped with state-of-the-art systems to support installation, IRM, decommissioning, and construction.

Commercial Surface Supply Dive System Product Types Specification

Product

Product Description

Commercial Surface Supply Dive System

Sepia – EX Zone II Certified Plug & Play Diving Spread
ATEX Zone II certified for operations in hazardous environments.
Designed for air/mixed gas surface-supplied diving.
Modular plug & play system for rapid deployment.
Includes:
1x 20ft Dive Decompression Container.
1x 20ft Dive Control Container.
Cliona – Non-EX Plug & Play Diving Spread
Non-EX rated version for standard operational zones.
Suited for air/mixed gas diving applications.
Plug & play format for ease of setup and transport.
Includes:
1x 20ft Dive Decompression Container.
1x 20ft Dive Control Container.
Nymphon – Non-EX Dive Combi Unit
Combined Dive Control and Decompression Unit.
Single-container (20ft) solution for compact project sites.
Non-EX rated for non-hazardous work environments.
Efficient, space-saving deployment for mixed gas diving.
Tragilus – Non-EX Dive Decompression Unit
20ft containerized decompression chamber.
Chamber size: 1800mm diameter.
Ideal for support in mixed gas surface-supplied diving operations.
Non-EX certified for standard offshore or coastal use.
Solea – Non-EX Dive Decompression Unit
Identical format and function to Tragilus.
Features an 1800mm chamber within a 20ft container.
Designed for safe post-dive decompression.
Suitable for surface-supplied commercial diving systems.

Recent Developments

Year

Latest News

July 2024

N-Sea Completes Full Acquisition of Geo Plus
N-Sea has officially concluded the full acquisition of Geo Plus, a Groningen-based specialist in the survey industry. Established in 1994, Geo Plus has built a strong global presence, operating a fleet of five highly specialised survey vessels. These vessels, known for their fuel efficiency and advanced capabilities, are currently deployed on long-term projects across Europe and the Middle East. The acquisition further strengthens N-Sea’s position in the subsea services market by expanding its operational capabilities in geophysical surveys and inspection activities.

Kalyani Raje

Kalyani Raje is a distinguished research leader and the Co-Founder & Chief Research Officer at Cognitive Market Research and Consulting, a global market research and consulting firm specializing in data-driven intel…

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Profile Details

Author Kalyani Raje
Published 22 May 2025
Last Updated 04 Jun 2025
Reading Time~5 minutes
CoverageSWOT, Financials, Key Employees, History

- 1.1 About N-Sea Group
- 1.2 Key Facts
- 1.3 Key Employees
  - 1.3.1 Key Employee Biographies
- 1.4 History
- 1.5 Locations & Subsidiaries
  - 1.5.1 Head Office
  - 1.5.2 Other Locations & Subsidiaries
- 2.1 Company Overview
- 2.2 Business Segments
- 2.3 R&D Overview
- 2.4 Brands
- 2.5 Key Company Statistics
- 2.6 Key Financials (2015–2019)
- 2.7 Share Holder Analysis
- 2.8 Regional Presence
- 2.9 Services Offered
- 3.1 Strengths
- 3.2 Weaknesses
- 3.3 Opportunities
- 3.4 Threats
- 3.5 Key Competitors
- 4.1 Company Metrics
- 4.2 Key Investors
- 4.3 Recent Funding & Valuation
- 4.4 Historical Funding & Valuation
- 5.1 Acquisitions
- 5.2 Partnerships
- 6.1 Latest News & Announcements
- 6.2 Strategic Initiatives
- 7.1 Summary of Findings
- 7.2 Strategic Recommendations

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N-Sea Group Company Profile