Solutions for the global energy sector

We use a high level of expertise, a strong innovative approach, and advanced technologies to contribute to a lower price of energy.

About us

SubC Partner is an international supplier of services and products to the offshore industry. Our aim is to offer the most innovative, flexible, and cost-effective solutions to lower the price of energy.

We offer a broad range of offshore inspection, installation, repair, and maintenance services as well as engineering and fabrication competences. We act as a single source supplier within subsea services, site service, and construction.

This enables us to act as a one-stop-supplier for offshore projects while holding a consistent focus on high quality, flexibility, and on-time delivery.

Solutions for the global energy sector.


With a clear focus on providing asset integrity solutions to the offshore Oil/Gas industry and Wind industry, we offer world-leading engineering, fabrication, and maintenance solutions from the seabed and upwards.

At SubC, we believe in partnerships, and strong relations to our customers, business partners, and other stakeholders. We put a lot of effort into fully understanding the customers’ issues, and to create cost-efficient and tailored conceptual solutions that meet individual needs. Our high level of competencies and innovative profile has given us a proven track record and a strong foundation for our international growth strategy.

Company milestones

SubC Partner founded

SubC Partner A/S is established and the headquarter placed in Esbjerg, Denmark.

SubC 05 001

First framework agreement

The first framework agreement: “Foundation services” made with HR1 Vattenfall.

First supply approval

SubC achieved the first supplier approval from NKT Flexibles.

First large offshore contract

The first large offshore contract: “Repair of foundation” signed with HR1 Vattenfall.

First module supplier contract

The first module supply contract: “Trym module” agreed with Maersk Oil.

First offshore installation assignment

The first Oil & Gas Offshore Installation assignment was signed with Maersk Oil.

First EPC project, offshore construction

The first EPC project within Offshore Construction: ”Water maker module” was signed with Alfa Laval.

First riser supply

The first riser supply: ”EPC riser caisson” was signed with Technip.

Proven IPR concept

Proven IPR concept: “BM repair on live riser” for Maersk UK.

Anode Repair Solution

SubC has developed a new solution for cathodic protection for submerged structures.

Approved by ABS

Approved by ABS to carry out "In Water Survey of Vessel´s and MODU´s by Divers and ROV including NDT inspection and UT".

The Robotic Crawler

SubC has developed a new solution to ensure safe operations in the splash zone and subsea.

Diamond Cutter2

Won Total’s Best Innovators Award

The Robotic Crawler system won Total’s Best Innovators Award in the category of Technical Innovation Solutions for the North Sea and Russia.

700 days without a LTI

The first of May we achieved 700 days without a Lost Time Injury. This has only been possible with the dedication, focus and hard work of our people and their commitment to safety.

AAA Credit Rating

Our company is credit worthy according to Bisnode's credit assessment system that is based on a number of decision rules. This credit rating is updated on a daily basis, and always shows the current rating and date.

Won Next Step Challenges Scale-Up Award

SubC's Robotic Crawler team won Next Step Challenge's Scale-Up Award in the offshore category.

Tonny CEO og Rune COO

Won Scale-Up Denmark's Award

We won Scale-Up Denmark's award as the most scaleable company of the year 2020. 

Badge NatFin 202013

First Subsea Abrasive Water Cutting

Our Robotic Crawler did its first job that involved dredging and cutting of steel structures 3 meters below seabed the crawlers were fitted with Abrasive Water Cutting Nozzles,

Danish Industry's annual award "Initiativprisen 2020"

"The award is a recognition of SubC' impressive approach to (robot)-technology and business development", writes DI

New Board Member

Patrick GillyPatrick Gilly, former CEO of TEPDK joined SubC's board.

Walk-to-work System

Engineering of a walk-to-work system to an offshore jacket structure without topside for Total on Tyra


1000 days without LTI

Successful offshore project for Boskalis

Boskalis LowWe developed and installed two 16-ton temporary access platforms and provided manpower.

Our new subsea robot Coala

Coala horz dark head rendering low v3
Self-propelled and capable of cleaning and inspecting fixed as well as flexible risers.

A2X partnership

A2X foto pressemeddelelse Along with  and  we have formed a partnership and established A2X, a partnership serving the Power-to-X industry with process plants.

Din Forsyning - Fremtidens Fjernvarme

Din forsyning

The contract included complete pipe installations incl. construction and set-up of pipe supports

SubC take over NorSea's manufacturing division

Opkob Norsea

To strengthen our skills in the energy sector we have taken over Norsea's Steel and Paint division


CERNs 27 km lange partikelaccelerator

Manufacturing a pump module to be operated in the 27-kilometer-long particle accelerator

Crossbridge TA


We did maintenance and optimization at Crossbridge refinery in Fredericia

FMC Contract

SubC was awarded a long-term, Fabric Maintenance Contract (FMC) for TotalEnergies in Denmark along with our partner Altrad.

SubC personale platform

SubC today

Our purpose is to help develop and support a future with less impact on the environment. We believe that the minimum footprint solution also will be the most efficient solution.

SubC develops and maintains a portfolio of innovative products and services that aims at reducing the cost of offshore structures. We are experts in aluminium design and utilize our in-house production knowledge to reduce weight and cost while maintaining high quality and robust design.

SubC is involved from early stage feasibility studies until
successful offshore commissioning. Our hands-on approach
ensures that your project is well-taken care of during all phases.