DCN Diving
Your subsea service provider
Your subsea service provider
Your subsea service provider

Introduction to DCN Diving


DCN Diving, established in 1957 (as Vriens Diving), has over 60 years-experience in subsea operations. It is a family owned company with its head office based in the Netherlands Bergen op Zoom and supporting subsidiaries and branch offices in Belgium, Germany, UAE, Malaysia and Singapore.

DCN Diving operates as a world-wide subsea service contractor and is an IMCA member for Surface supplied diving, Saturation diving and ROV operations. DCN Diving is specialized in:

  • Hyperbaric welding and hyperbaric testing using specialized in-house experience and equipment including its Hyperbaric Test Facility in Bergen op Zoom
  • Creating dry space underwater with the use of habitats, cofferdams, bulkheads and more
  • Subsea rehabilitation of hydropower dams
  • Underwater concreting and other civil works
  • Pipelines installation dive support
  • Subsea support in the renewable energy sector
  • Vessel Inspection and Maintenance
  • Offshore subsea Inspection Repair and Maintenance (IRM)

DCN is certified according to ISO 9001:2015, ISO 14001:2015, ISO 45001, SCC** and FPAL and has various certificates (ABS, Lloyds, KR, Bureau Veritas, Rina, DNV-GL, RMS and NK class) for In-water Survey and has class certificates for its Surface Supplied and Saturation Diving systems.

DCN ISO 9001

Diving Services

IMCA Certified Diving Contractor for Air, Nitrox and Saturation Diving

ROV Support

IMCA Certified ROV Contractor operating Observation and Workclass ROVs

Subsea Engineering

Providing innovative subsea engineering with a dedicated in-house Engineering Team since 1957

Hyperbaric Testing, Welding & Operations

DCN Hyperbaric Test Centre in Bergen op Zoom and several Habitat systems to  provide Hyperbaric Welding and Operations


Specialist service provider for Underwater Concreting, Hydro Power Dams Subsea Maintenance, Bridge Constructions, Delta Works, Sluices, Quay Walls

Dive Support

Provider and Diving, ROV and Survey Operator of DSVs

Our Recent Projects and Updates

For a full overview, click here.

Cofferdam Installation Project

| Geen categorie, Our Projects | No Comments
DCN Diving is contracted by Herbosch-Kiere for the designing, fabrication and installation of a modular cofferdam. The cofferdam has a dimension of 19m width x 5m height.  The cofferdam is...

DCN Diving Abu Dhabi

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DCN Diving Abu Dhabi DCN Diving has a fully operational office and workshop in the UAE. The Entity is certified according to ISO9001:2015, ISO14001:2015 and ISO45001:2018 and is IMCA Member...

Bison, Iguana and Gajah Puteri Development Project

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The Bison, Iguana and Gajah Puteri Development Project included; Drilling of the 3 (three) wells with their associated subsea trees, New subsea pipelines, manifolds and isolation valve structures, New umbilical...

Dana Unity DSV Campaign

| Geen categorie | No Comments
DCN Diving was contracted by Dana Petroleum for the fabrication and  installation of pipeline spool, IRM at Dana's Platforms (F2-A, P10-05, P11-B, P11-C, P11-01, P11-09), Replacement of New Sensors in...