Deep C
Deep C

Contact Information

6517 KRISTIANSUND N
+47 035 05
https://deepcgroup.com

About

Deep C is a leading seabed intervention specialist, delivering high-performance subsea solutions where precision, safety, and efficiency are critical. With a proven global track record across Europe, Americas, and Asia-Pacific, we support the full offshore lifecycle with engineered, project-specific solutions.

Oil & Gas and Decommissioning

Deep C delivers advanced seabed intervention and subsea construction services to the oil & gas industry, supporting survey, inspection, and installation scopes across complex offshore environments. Our capabilities include cable installation and trenching, high-capacity dredging, precision excavation, and rock and debris removal, enabling efficient and controlled execution of subsea operations.

Our modular, field-proven equipment fleet includes key assets such as the Deep C SCV, subsea dredges, ROV-operated systems, and integrated jetting solutions, alongside a wider range of specialized tools designed to support diverse subsea scopes. Engineered for both high-capacity dredging and precise intervention, our systems enable efficient exposure of subsea structures even in complex and compacted soils.

We support late-life field operations and full decommissioning scopes with integrated subsea solutions. By combining excavation, cutting, lifting, and recovery, we ensure controlled execution and reduced offshore risk, enabling safe and cost-effective asset removal and site reinstatement.

Offshore Wind

Deep C is a trusted partner to the offshore wind industry, delivering market-leading pile cleaning and seabed intervention services that enable safe, efficient, and predictable foundation installation. With over 2,000 offshore wind piles successfully cleaned worldwide, our experience is unmatched.

Our patented technologies, including SPRT, PCT, and CFE, set the benchmark for soil plug removal, internal pile cleaning, and controlled excavation. These solutions ensure full pile readiness, optimize installation sequences, and reduce offshore risk, supporting faster and more predictable project execution.

In addition, Deep C supports offshore wind installation with seabed preparation, excavation, cable trenching, and debris clearance, ensuring optimal conditions for both foundation installation and cable protection. Our approach enables efficient execution across varying ground conditions and demanding project schedules.

With compact, rapidly deployable systems and minimal offshore footprint, we help reduce vessel time, lower project costs, and improve overall installation efficiency.

Backed by in-house PhD-level engineering expertise, every solution is tailored to project-specific conditions, reducing risk and improving execution. Available 24/7, Deep C delivers engineered certainty in the world’s most demanding offshore environments.

Technologies

View all
Oil & Gas

Decommissioning (topside and subsea) · Removal and lifting

+6 more categorizations

Deep C Subsea Lifting and Recovery

Deep C
TRL 9
Oil & GasOffshore Wind

Decommissioning (topside and subsea) · Cutting

+6 more categorizations

Deep C Subsea Cutting Solutions

Deep C
TRL 9
Oil & Gas

Engineering and services · Decommissioning (reverse engineering)

+11 more categorizations

Deep C Subsea Dredging, Excavation and Jetting

Deep C
TRL 9
Offshore Wind

Offshore installation

Deep C Pile Cleaning Tool (PCT)

Deep C
TRL 9
Oil & GasOffshore Wind

Marine operations and subsea services · Subsea tie Ins

+6 more categorizations

Deep C Controlled Flow Excavator (CFE)

Deep C
TRL 9
Oil & Gas

Engineering and services · Subsea engineering (including field lay Out)

+1 more categorization

Deep C ROV Trenching skid

Deep C
TRL 9
Offshore Wind

Offshore installation

Deep C Soil Plug Removal Tool - Efficient, precise and predictable soil plug removal

Deep C
TRL 9
Oil & Gas

Decommissioning (topside and subsea) · Cutting

+3 more categorizations

Decommissioning Tooling Container

Deep C
TRL 9

Company Contact

Rune Høyvik Rosnes
EVP BD
rhrosnes@deepcgroup.com
+47 98260433

Capabilities

Oil & Gas
Subsea systems and marine operations
  • Decommissioning (topside and subsea)
  • Engineering and services
  • Marine operations and subsea services
  • Umbilicals, risers, flowlines and pipelines
  • Subsea production systems
Offshore Wind
Cable
  • Export cable
Foundation
  • Offshore installation
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