What SubC Partner does

SubC Partner A/S is an Esbjerg-headquartered engineering, fabrication, and offshore services company founded in 2005, operating across renewable energy (offshore wind, Power-to-X, green hydrogen), conventional energy (oil and gas, refinery turnarounds), and selected onshore process industries including food and pharma. The company delivers turnkey process plants and complex systems under a single-source responsibility model spanning engineering, procurement, fabrication, installation, commissioning, and inspection/maintenance. Its product and technology portfolio combines proprietary subsea robotics (Robotic Crawler System, COALA, ACOMAR), approved ROV tooling (Anode Repair, Buoyancy Module Repair, ROV Gas Sampling), structural products (Preload System, Gangways under the W2W brand), lifting equipment (JibFlex), and exclusive distribution rights for Blue Robotics in Denmark and IEV Group MGP rings in Denmark/Germany. Fabrication is performed in-house at the Port of Esbjerg on a quay with 10.3m water depth and 150-ton lifting capacity, supported by additional offices in Fredericia.

The company generates revenue primarily through project-based professional services contracts (EPCI, IRM, fabrication, engineering, installation and commissioning) executed for enterprise energy operators including TotalEnergies, Crossbridge Energy, Orsted, Vattenfall, Everfuel, Boskalis, Allseas, and Total UK, alongside product sales, rental, and lease of branded hardware. Commercial motion emphasizes long-cycle enterprise sales with early-stage client engagement during FEED phases, complemented by strategic channel partnerships with Baker Hughes, Altrad, IEV Group, and Blue Robotics, and joint development participation in the A2X CO2 capture infrastructure. The 2025 launch of SP electric (a dedicated electrical and automation subsidiary) and active inorganic moves (acquisition of SH Group's Esbjerg division and the Sahara 4 facility in 2023, NorSea Steel and Paint division in 2021) signal an ongoing scale-up of operating scope.

Notable validation includes multiple EY Entrepreneur of the Year nominations (2019, 2020, 2023, 2024, 2025), Total E&P Best Innovators Award (2019), Scale-Up Denmark 2020, Danish Industry's Initiativprisen 2020, Energy Cluster Denmark Innovation Project of the Year 2024 for ACOMAR, and documented safety milestones including 1,000+ days without Lost Time Injury and 10,000+ incident-free hours on major campaigns. Certifications span ISO 9001, ISO 14001, ISO 45001, ISO 3834-2, EN 1090-1, DNV GL, ABS In-Water Survey, and ATEX, qualifying the firm for safety-critical offshore and process industry work.

Name

SubC Partner

Legal name

SubC Partner A/S

Website

https://subcpartner.com

Company type

Private

Founded year

2005

Operating status

Operating

Headcount range

101–250 employees

Short description

SubC Partner A/S is a Danish engineering, fabrication, and subsea robotics company delivering turnkey EPCI, maintenance, and decommissioning services for oil and gas, offshore wind, green hydrogen, and food and pharma operators across Northern Europe.

Ownership category

akta.pro rank

Product category

Offshore Engineering and Fabrication Services

NAICS

Oil and Gas Field Machinery and Equipment Manufacturing (333132), Mining and Oil and Gas Field Machinery Manufacturing (33313), Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511)

SIC

Oil & Gas Field Machinery & Equipment (3533)

akta.pro primary industry

Subsea Services & Equipment (Subsea Trees, Umbilicals, Installation, IMR) (EUALABAI)

akta.pro secondary industries

Offshore Wind Substructures & Marine Engineering (Monopiles, Jackets, Floating) (EUAMACAE), Unmanned Underwater Vehicles (UUV) & Autonomous Subsea Platforms (IMABAIAF), Construction Management & General Contracting (EPCM, Scheduling, QA/QC, HSE) (EUAMAFAJ)

Keywords

• Offshore engineering services
• Subsea robotics solutions
• EPCI project execution
• Process plant fabrication
• Offshore wind services

Headquarters

HQ city

Esbjerg

HQ country

Denmark

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales, Supply Chain

Revenue model

1. EPCI Project Services: Full Engineering, Procurement, Construction, and Installation services for offshore platforms, rigs, floating production units, and offshore wind. Includes full project ownership from feasibility to commissioning.
2. Fabrication Services: In-house fabrication of complex piping, structures, skids, deck extensions, boat landings, lifting appliances, and process equipment. Facilities at Port of Esbjerg with capabilities in steel, stainless steel, aluminium, duplex, titanium, and Inconel.
3. Engineering Services: Standalone and integrated engineering services including structural, process & piping, E/I & automation, mechanical engineering, and FEED/conceptual studies. Features rapid prototyping and in-house testing capabilities.
4. ROV & Subsea Services: Inspection, repair, and maintenance services using proprietary robotic systems (Crawler, COALA, BlueROV2). Includes ROV inspections, anode repair, buoyancy module repair, gas sampling, and marine growth prevention.
5. Gangway Products: Design, manufacture, and supply of aluminum and steel gangways for offshore access. Product categories include extendable, modular, motion-compensated gangways, turn tables, and pilot access platforms. Available for sale, rental, or lease with purchase options.
6. JibFlex Lifting Equipment: Proprietary flexible lifting tool sold and rented for complicated lifting operations. Multiple configurations available. Includes train-the-trainer courses for customer training.
7. BlueROV2 Products & Services: Reseller of Blue Robotics products in Denmark including BlueROV2, BlueBoat, and associated equipment. Includes service, training, and rental of Blue Robotics products.
8. Hydraulics & Valves Services: Valve and actuator service including in-house and on-site maintenance, pressure testing up to 1200 Barg, control valve servicing, and hydraulic system solutions. Capacity for 8-ton overhead crane lifting.
9. Installation & Commissioning: Offshore IRM (Inspection, Repair, Maintenance) and installation services from seabed to topside. Includes hook-up, commissioning, and handover support.
10. Mechanical Services: Small-scale focused maintenance teams (1-5 technicians) for targeted mechanical support including maintenance, replacement, refurbishment, and valve servicing.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

SubC Partner A/S designs, engineers, fabricates, and installs turnkey process and energy industry solutions, primarily for offshore oil & gas, offshore wind, renewables, and selected onshore process plants. The company combines in-house engineering, fabrication at Port of Esbjerg, and proprietary subsea robotics (Robotic Crawler, COALA) to deliver EPCI projects, IRM services, and equipment like gangways, JibFlex lifting tools, and the Preload System for jacket stabilization.

Product overview

SubC Partner offers a portfolio of innovative products and services for the process and energy industries. Core products include Gangway (aluminum/steel access systems), JibFlex (flexible lifting tools), and Preload System (jacket stabilization). The subsea portfolio features BlueROV2, COALA, and CRAWLER robotic systems, plus MGP Rings for marine growth prevention. Services span fabrication, engineering, EPCI projects, site service, hydraulics & valves, E/I & automation, and mechanical services. The company operates across renewable energy, conventional energy (oil & gas, refineries), and Food & Pharma sectors, with a new electrical division (SP electric) launched in 2025.

Differentiator

Problem solved

Functional benefit

Brands

• JibFlex: Flexible lifting tool designed for complicated lifting operations, capable of moving up to 500 kg with extended work area.
• W2W
• SP electric
• ACOMAR
• COALA
• Preload System

Products and services

• Gangway High-strength aluminum and steel gangways for offshore access, including extendable (25m), modular (6-35m), and motion-compensated (9m) variants, plus turn tables and pilot access platforms, certified to DNV/IMO/ISO standards.
• JibFlex Flexible lifting tool for complicated lifting operations where conventional lifting beams cannot operate, capable of moving up to 500 kg (vs. 20 kg manual limit), available in multiple configurations with ATEX Zone 2 version.
• Preload System Stabilization system for jacket structures stored onshore, supporting up to 250 tons with a rail system for effortless positioning, eliminating foundation balance concerns during storage periods, designed for extreme conditions.
• CRAWLER Robotic System Award-winning remotely operated crawler system for splash zone and subsea operations, performing abrasive water jet cutting, blasting, painting, inspection, diamond wire cutting, eddy current inspection, and marine growth removal. Handles structures up to 3 meters diameter.
• COALA Subsea Robot Self-propelled remotely operated robot for marine growth removal and inspection on deep-water risers and tubulars, with flex fingers for navigating obstacles like fairings and strakes, BlueView sonar, cameras, and advanced control algorithms.
• BlueROV2 Compact observation-class ROV for subsea inspection and survey work, battery-driven with vectored thruster configuration, 2x4K cameras, and modular tooling options. Distributed in Denmark by SubC Partner as Blue Robotics' exclusive reseller.
• MGP Rings (Marine Growth Preventer) Wave-powered modular plastic system for permanent control of marine growth on monopiles, conductors, risers, caissons, and jacket legs. Distributed by SubC Partner in Denmark and Germany as IEV Group's exclusive distributor.
• Subsea Anode Repair Solution ROV-based repair system for cathodic protection on submerged structures, claiming up to 75% cost savings versus diving operations. DNV GL certified (DNV-OS-C101, DNV-RP-C205, DNV-RP-B401).
• Engineering Services In-house engineering services covering structural, process & piping, E/I & automation, mechanical engineering, plus FEED and conceptual studies, with rapid prototyping and in-house workshop testing.
• Fabrication Services In-house fabrication of complex piping, structures, skids, deck extensions, boat landings, lifting appliances, and process equipment in steel, stainless steel, aluminium, duplex, titanium, and Inconel, located at Port of Esbjerg.
• EPCI Projects Full Engineering, Procurement, Construction, and Installation services for offshore platforms, rigs, floating production units, and offshore wind, with full project ownership from feasibility to commissioning.
• Site Service (Sea Fastening) Engineering, procurement, and construction services for vessel and site jobs including sea fastening of wind turbine components and oil/gas units, rig services, rope access, vessel service, and ROV inspection.
• Hydraulics & Valves Services Hydraulic systems design, maintenance, and repair; valve and actuator service including pressure testing up to 1200 Barg; 8-ton overhead crane lifting capacity; in-house and on-site service.
• E/I & Automation Services Electrical and instrumentation systems including power distribution, motor control, SCADA, safety automation, process control, PLCs, and DCS, with ATEX compliance capabilities.

Quantifiable outcome

• Up to 75% cost savings with Subsea Anode Repair Solution compared to diving operations
• +4 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

Eight partnerships are on record, tiered core and minor.

• Crossbridge EnergycoreStrategic or Co-development Partner · 9 September 2024SubC Partner signed a 5-year framework agreement with Crossbridge Energy, one of Europe's most energy efficient refineries. Long-term partnership for ongoing maintenance and turnaround projects at the Fredericia facility.
• SH Group EsbjergminorStrategic or Co-development Partner · 6 September 2023SubC Partner acquired SH Group's Esbjerg division in September 2023, expanding capabilities and workforce in the region.
• Baker HughesminorGTM or Marketing Partner · 6 October 2022Baker Hughes - Global Business Partner relationship. Conducted successful Virtual Customer Workshop together. Collaboration on energy sector projects and solutions.
• AltradcoreChannel Partner/ Reseller/ Distributor · 16 June 2022SubC Partner was awarded a long-term Fabric Maintenance Contract for TotalEnergies in Denmark along with partner Altrad. Collaboration combines SubC's engineering and execution capabilities with Altrad's specialist services.
• NorSeaminorStrategic or Co-development Partner · 29 December 2021SubC took over NorSea's manufacturing division (Steel and Paint) to strengthen skills in the energy sector. NorSea and SubC agreed to strengthen collaboration following the acquisition.
• A2X (with Energnist, HYTOR, Terotech)coreStrategic or Co-development Partner · 4 November 2021A2X is a CO2 capture project led by Energnist and co-owned by SubC Partner, HYTOR Group, and Terotech. The partnership serves the Power-to-X industry with process plants. A2X project was prequalified for national CCS funding by the Danish Energy Agency in May 2025. SubC contributes mechanical and structural know-how to the CO2 infrastructure plans in Esbjerg.
• IEV GroupcoreChannel Partner/ Reseller/ DistributorSubC Partner is IEV Group's exclusive distributor of Marine Growth Preventer (MGP) rings in Denmark and Germany. MGP rings provide permanent solution for control of marine growth on offshore structures using wave energy.
• Blue RoboticscoreChannel Partner/ Reseller/ DistributorSubC Partner is the first and only authorized reseller of Blue Robotics products in Denmark, including BlueROV2, BlueBoat, and all associated products. Provides sales, service, training, and rental of Blue Robotics products.

Scale indicators9 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Aker Solutions: Aker Solutions is a large Norwegian engineering and EPCI provider for offshore oil & gas, offshore wind, and emerging energy verticals. Comparable as a broader incumbent offering integrated engineering, fabrication, and subsea services across the same energy customers as SubC, though at much greater scale.
• Oceaneering International: Oceaneering is a global provider of engineered services and products, notably ROV operations, subsea tooling, and offshore intervention. Compares to SubC's Crawler and COALA subsea robotics portfolio and ROV-based inspection, repair, and maintenance services, though at significantly larger scale.
• Helix Robotics Solutions: Helix Energy Solutions operates a global subsea robotics and well intervention fleet with proprietary ROV systems. Comparable to SubC's Crawler and COALA robotics and subsea inspection/repair services, though Helix operates at significantly larger scale with broader geographic reach.
• Saab Seaeye (Sabertooth): Saab Seaeye manufactures autonomous underwater vehicles including the Sabertooth AUV used for subsea inspection and intervention. Comparable to SubC's autonomous Crawler and COALA subsea robots and the broader push toward ROV/AUV-based splash-zone and subsea IMR work.

Direct peers

• DeepOcean: DeepOcean is a Norwegian subsea services company offering ROV, IMR, trenching, and installation services to the offshore oil & gas and renewables industries. Direct peer given SubC's comparable subsea robotics, ROV services, and offshore EPCI capabilities serving similar North Sea customers.
• Semco Maritime: Semco Maritime is a Danish offshore engineering, fabrication, and EPCI company serving oil & gas and offshore wind operators. Direct peer given shared Danish/North Sea footprint, similar multi-discipline engineering and fabrication services, and overlapping customers in offshore wind and oil & gas.
• Bladt Industries: Bladt Industries is a Danish manufacturer of offshore wind foundations, substations, and heavy steel structures. Comparable to SubC's offshore wind fabrication, sea fastening, and jacket-related services for North Sea wind developers like Ørsted and Vattenfall.
• Reach Subsea: Reach Subsea is a Norwegian provider of subsea services including IMR, survey, and ROV operations to oil & gas and renewables clients. Direct peer given overlap in subsea inspection, ROV operations, and renewable energy subsea work in the North Sea region.

Regional players

• MMT Sweden: MMT Sweden is a Nordic subsea survey and services provider focused on offshore survey, inspection, and trenching for oil & gas and renewables. Comparable to SubC's seabed survey, ROV inspection, and subsea services, though MMT is more survey-specialized and primarily operates in the Baltic and North Sea.

Emerging players

• IEV Group: IEV Group is a developer of marine growth prevention technology, including the MGP Rings product that SubC Partner distributes in Denmark and Germany. Comparable as a niche subsea product peer in the marine growth and offshore asset integrity space.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/subcpartner.dk
• LinkedInlinkedin.com/company/subcpartner

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles18 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SubC Partner