DOF Subsea
- Company typePublic
- Founded1981
- HeadquartersBergen, Norway
- Headcount1,001–5,000
- GTM typeB2B
- OfferingServices
DOF Subsea firmographics
Firmographics- Name
- DOF Subsea
- Legal name
- DOF Group ASA
- Website
- https://dofsubsea.com
- Company type
- Public
- Founded year
- 1981
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Ownership category
- akta.pro rank
DOF Subsea industry classification
Industry- Product category
- Offshore Subsea Services
- NAICS
- Support Activities for Water Transportation (4883), Other Support Activities for Water Transportation (48839), Ship Building and Repairing (336611)
- SIC
- Oil & Gas Field Services, Nec (1389), Oil & Gas Field Machinery & Equipment (3533), Ship & Boat Building & Repairing (3730), Water Transportation (4400)
- akta.pro primary industry
- Subsea Services & Equipment (Subsea Trees, Umbilicals, Installation, IMR) (EUALABAI)
- akta.pro secondary industries
- Offshore Marine & Aviation Support (PSVs, AHTS, Crew Boats, Helicopters) (EUALABAJ), Marine & Offshore Energy O&M (Offshore Wind, Platforms, Subsea Assets) (EUAEAGAO), Offshore Support & Marine Logistics Vessel Operators (PSV/AHTS) (TLADABAL)
Keywords
Where DOF Subsea is headquartered
LocationHeadquarters
- HQ city
- Bergen
- HQ country
- Norway
- HQ region
- Europe
Offices5 records
Markets served
DOF Subsea business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Infrastructure, Personnel, Operations, Supply Chain
Revenue model
- Subsea Services: Integrated subsea services including IRM (Inspection, Maintenance, Repair) and light construction services for offshore energy producers. Revenue generated through long-term contracts and project-based work.
- Marine Management: Ship management services providing knowledge and experience to operate, maintain, and utilise offshore support vessels. Setting the standard in ship management since 1981.
- Renewables Services: Floating wind and renewable energy services advancing offshore renewable energy development.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
DOF Subsea product offering
Product offeringCore offering
DOF Subsea provides integrated offshore services to global offshore energy producers, delivered through a modern fleet of purpose-built Offshore Support Vessels (OSVs) and subsea assets. Its offering spans Inspection, Maintenance, Repair (IMR) and light construction subsea services, ship and marine management, and floating wind / renewable energy services. Operations are conducted via wholly-owned subsidiaries including DOF Subsea AS, Norskan Offshore Ltda, DOF Rederi AS, DOF Management AS, DOF Denmark A/S, and DOF Subsea UK.
Product overview
DOF Subsea is a fully integrated offshore company offering a unified portfolio of subsea and marine services. The core offering consists of Integrated Subsea Services (IRM and light construction), Marine Management (ship management since 1981), and Renewables (floating wind services). These services are delivered through the company's modern fleet of purpose-built Offshore Support Vessels (OSVs) and subsea assets, enabling offshore energy producers to access comprehensive offshore operations from a single company.
Differentiator
Problem solved
Functional benefit
Products and services
- Integrated Subsea Services Integrated IMR (Inspection, Maintenance, Repair) and light construction subsea services delivered by a global team of subsea engineering and marine services professionals for offshore energy producers, with the objective of reducing project risk, increasing efficiency, and improving safety performance.
- Marine Management Ship management services that operate, maintain, and utilise offshore support vessels (OSVs), setting the standard in ship management since 1981.
- Renewables Floating wind and subsea services supporting the advancement of renewable energy infrastructure, including services for offshore wind developments.
- Fleet & Equipment Modern, purpose-built Offshore Support Vessels (OSVs) and subsea assets made available for charter and operations in support of offshore energy and subsea projects, with reported average fleet utilisation of 83% in Q1 2026.
Quantifiable outcome
- Fleet utilization rate of 83% in Q1 2026
- +1 more outcomes
Companies that use DOF Subsea
Customer profileNamed customers2 records
Segments2 records
Ideal customer profiles2 records
DOF Subsea technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
DOF Subsea partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and minor.
- SSEN DistributioncoreDOF Subsea UK has been contracted as one of five specialist subsea companies to deliver upgrades to SSEN Distribution's subsea cable network. The £950 million investment will upgrade 113 subsea electricity cables serving 60 Scottish islands, expected to create over 3,500 fixed-term green jobs over eight years.
- Briggs MarineminorOne of five contract partner companies contracted alongside DOF Subsea UK for the SSEN Distribution subsea cable network upgrade project.
- N-SeaminorOne of five contract partner companies contracted alongside DOF Subsea UK for the SSEN Distribution subsea cable network upgrade project.
- Enshore SubseaminorOne of five contract partner companies contracted alongside DOF Subsea UK for the SSEN Distribution subsea cable network upgrade project.
- Jan De NulminorOne of five contract partner companies contracted alongside DOF Subsea UK for the SSEN Distribution subsea cable network upgrade project.
Scale indicators5 records
Recent moves5 records
Expansion highlights5 records
DOF Subsea competitors and assessment
Company assessmentBroad incumbents
- TechnipFMC: TechnipFMC is a larger integrated subsea-to-surface provider with subsea trees, umbilicals, controls, and SURF capabilities. Overlaps with DOF in subsea construction and installation but operates a much broader portfolio across both subsea and surface/onshore.
- Saipem: Saipem is a major Italian offshore EPCI contractor with offshore drilling, SURF, and subsea services. Competes with DOF on integrated subsea and offshore construction projects but with a significantly larger and more diversified portfolio.
- McDermott International: McDermott provides offshore EPCI services for subsea, SURF, and fixed/floating facilities. Overlaps with DOF's light construction and subsea installation work but with a larger integrated EPC scope and stronger Middle East and Gulf of Mexico presence.
Direct peers
- Fugro: Fugro provides geotechnical, survey, and subsea services to offshore energy, renewables, and infrastructure markets. Overlaps with DOF in offshore site characterization, ROV-based inspection, and seabed services, and is cited as a peer in the underwater drones space.
- Helix Energy Solutions: Helix provides subsea well intervention, ROV operations, and offshore vessel-based services to the oil & gas sector. Competes directly with DOF in subsea IMR, intervention, and chartering of specialized subsea vessels.
- Tidewater: Tidewater is one of the world's largest operators of offshore support vessels (PSVs, AHTS), serving the same global offshore energy customer base as DOF. Direct competitor in OSV chartering and offshore marine services.
- Oceaneering International: Oceaneering is a leading provider of ROV operations, subsea intervention, tooling, and offshore personnel services. Competes head-to-head with DOF in subsea robotics and IMR, and is referenced as a peer in the underwater drones / ROV market.
- Bourbon (offshore): Bourbon is a French offshore marine services provider operating a large fleet of OSVs (PSVs, AHTS) serving oil & gas clients in West Africa, Europe, and Asia. Competes with DOF on vessel-based offshore marine services globally.
- Subsea 7: Subsea 7 is the largest dedicated subsea contractor globally, offering SURF (subsea umbilicals, risers, flowlines), IMR, and light construction services to offshore oil & gas. Direct competitor to DOF Subsea's integrated subsea services and OSV-based operations.
Emerging players
- Kongsberg Maritime: Kongsberg Maritime supplies subsea robotics, AUV/ROV systems, and marine technology that compete with parts of DOF's subsea equipment stack. Listed alongside DOF as a peer in the underwater drones market, though primarily a technology/equipment supplier rather than service operator.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
DOF Subsea social profiles
Digital presenceDOF Subsea financial estimates
Financial estimateRevenue estimate
Valuation estimate
DOF Subsea leadership team
Management profileNumber of profiles
DOF Subsea subsidiaries and ownership
Company hierarchySubsidiaries6 records
DOF Subsea funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
DOF Subsea M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about DOF Subsea
What does DOF Subsea do?
DOF Subsea provides integrated offshore services to global offshore energy producers, delivered through a modern fleet of purpose-built Offshore Support Vessels (OSVs) and subsea assets. Its offering spans Inspection, Maintenance, Repair (IMR) and light construction subsea services, ship and marine management, and floating wind / renewable energy services. Operations are conducted via wholly-owned subsidiaries including DOF Subsea AS, Norskan Offshore Ltda, DOF Rederi AS, DOF Management AS, DOF Denmark A/S, and DOF Subsea UK.
Is DOF Subsea a public or private company?
DOF Subsea is a public company. It is classified as public and is currently operating.
When was DOF Subsea founded?
DOF Subsea was founded in 1981. It employs 1,001 to 5,000 people.
Where is DOF Subsea based?
DOF Subsea is headquartered in Bergen, Norway, in the Europe region.
How does DOF Subsea make money?
Three revenue lines are on record. Subsea Services are the primary driver. The others are marine Management and renewables Services.
Who are DOF Subsea's main competitors?
Broad incumbents on record are TechnipFMC, Saipem and McDermott International. Direct peers are Fugro, Helix Energy Solutions, Tidewater, Oceaneering International, Bourbon (offshore) and Subsea 7. Kongsberg Maritime is listed as an emerging player.
Does DOF Subsea have an API?
No public API is recorded for DOF Subsea.
What industry is DOF Subsea in?
DOF Subsea's product category is Offshore Subsea Services. Its primary akta.pro industry code is EUALABAI, Subsea Services & Equipment (Subsea Trees, Umbilicals, Installation, IMR), with a secondary code of EUALABAJ, Offshore Marine & Aviation Support (PSVs, AHTS, Crew Boats, Helicopters). Its NAICS code is 4883 and its SIC code is 1389.