What Marine Aluminium Group does

Marine Aluminium AS is a Norwegian specialty manufacturer of aluminium construction and access solutions for offshore, marine, onshore, and offshore-wind applications. Founded in 1953 and headquartered at Karmøy (Avaldsnes) with additional fabrication at Stord, the company designs, engineers, and fabricates helidecks, handrail and walkway systems, FlexiBarriers, stair towers, elevator shafts, modules, and friction stir welded (FSW) panels. Its technology base rests on proprietary FSW manufacturing capabilities pioneered in 1996, including the world's only water-jet cutting capability for FSW panels, and the registered Safe Deck® helideck drainage and fire-suppression system approved under NORSOK-C004, DNV, and ABS.

The company's commercial proposition centers on aluminium as a lighter (50-65% weight reduction vs. steel), corrosion-resistant, maintenance-free, and fully recyclable alternative to steel for safety-critical offshore infrastructure. It sells primarily through direct enterprise sales of custom turnkey solutions and prefabricated container kits, with an aftersales services stream covering inspections, maintenance, friction testing, and spare-parts supply, plus a pre-owned/refurbished helideck program. Revenue is diversified across Marine (35%), Renewables/offshore wind (30%), Oil & Gas (25%), and Onshore (10%) segments, with reference customers including BP (Valhall), Edda Wind, Edda Mistral, Norsk Hydro (Oseberg Sør), Statnett, and Østensjø. The company is privately held following the 2019 exit by private equity owner Norvestor, and spun off Uptime International AS as a separate operating company in 2017.

Name

Marine Aluminium Group

Legal name

Marine Aluminium AS

Website

https://m-a.no

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Marine Aluminium AS is a Norwegian specialty manufacturer that designs, engineers, and fabricates lightweight aluminium helidecks, walkways, modules, and friction stir welded panels for offshore oil & gas, marine, and offshore-wind operators worldwide.

Ownership category

akta.pro rank

Product category

Marine Aluminium Construction Products

NAICS

Ship and Boat Building (33661), Ship Building and Repairing (336611)

akta.pro primary industry

Marine Aluminum Plate/Extrusions & Lightweight Structures (IMAJAKAB)

akta.pro secondary industries

Outfitting Modules & Skids (Accommodation, Machinery, E-House, Pipe Racks) (IMAJAKAF), Accommodation & Interior Outfit (Cabins, Galleys, Sanitary, Furniture) (IMAJAIAF), Marine Outfitting & Interior Refurbishment (TLAKAKAL)

Keywords

• Aluminium helidecks
• Offshore access systems
• Aluminium marine construction
• Friction stir welded panels
• Offshore wind structures

Headquarters

HQ city

Kopervik

HQ country

Norway

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Aluminium Product Sales: Revenue generated from design, manufacturing, and supply of aluminium construction products including helidecks, handrail systems, walkway systems, stair towers, modules, elevator shafts, friction stir welded panels, and FlexiBarriers. Both turnkey customized solutions and container kit formats available.
2. Aftersales Services: Ongoing service revenue from inspections, maintenance, engineering modifications, upgrades, spare parts supply, friction testing of helidecks, and safety net replacement/testing for installed products.
3. Pre-owned/Refurbished Products: Sale of pre-owned helideck solutions and container kits that have been inspected and quality-assured for second-life use.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Marine Aluminium AS designs, manufactures, and supplies aluminium construction products — primarily helidecks, handrail and walkway systems, FlexiBarriers, stair towers, elevator shafts, custom modules, and friction stir welded panels — for offshore oil & gas, marine, onshore, and offshore wind customers. The company delivers both turnkey customized constructions and prefabricated container kit formats from its Norwegian production facilities on Karmøy and Stord, supported by an in-house aftersales service offering inspections, maintenance, modifications, and spare parts.

Product overview

Marine Aluminium is a manufacturer and supplier of aluminium construction products and access solutions for offshore, marine, onshore, and renewables (offshore wind) segments. The product portfolio centers around aluminium as the primary material due to its lightweight, corrosion-resistant, and recyclable properties. The core products include Helidecks (the company's flagship product since 1974, with 600+ delivered), Handrails & Walkway Systems (120,000+ meters installed), FlexiBarriers (3,650+ meters), Friction Stir Welded Panels (10,000+ tons produced), Stair Towers, Elevator Shafts, and custom-built Modules for various applications. The portfolio also includes dedicated Offshore Wind solutions and an Aftersales service for ongoing support. A Pre-owned sale program offers refurbished helideck container kits. All products leverage aluminium's unique properties for weight reduction (50-65% compared to steel), minimal maintenance, and sustainability.

Differentiator

Problem solved

Functional benefit

Brands

• FlexiBarrier: Energy absorbing barrier system for crane lay-down areas, designed to withstand rough handling of goods and containers offshore. Has become the industry standard on the Norwegian continental shelf.
• Safe Deck

Products and services

• Helidecks Lightweight aluminium helidecks with advanced safety features including Safe Deck® fire-suppressing surface, Deck Integrated Fire Fighting System (DIFFS), and Deck Integrated De-icing System, supplied as turnkey customized solutions and container kits for offshore, marine, onshore, and renewables customers.
• Handrails & Walkway Systems Modular aluminium handrail and walkway system meeting NORSOK and ISO standards, with premade components requiring no welding for replacement and base sockets preventing galvanic corrosion between steel and aluminium, for offshore platform and marine vessel operators.
• FlexiBarriers Energy-absorbing barrier system with hinged posts and horizontal railings using a polyester spring design to absorb impacts during rough handling of goods and containers in offshore crane lay-down areas, expandable into FlexiWall structures.
• Stair Towers Lightweight, robust aluminium stair towers integrating the Handrail & Walkway system, supplied as turnkey container-kit solutions that remove the need for aluminium hot work offshore and reduce maintenance versus steel equivalents.
• Elevator Shafts Custom-designed and fabricated aluminium elevator shafts with smooth FSW-panel finish, eliminating joint grinding or welding during installation, for offshore platforms, marine vessels, and onshore buildings.
• Modules Custom-built aluminium modules including accommodation, office space, workshops, containers, storage areas, control rooms, special-purpose modules, heli-guard areas, and helicopter hangers, delivered fire-insulated to A120 fire class with full outfitting for offshore and marine projects.
• Friction Stir Welded (FSW) Panels High-quality friction stir welded aluminium panels free from distortions and buckling, manufactured with the world's first FSW machine dedicated to aluminium panels in 1996 and processed using the only water jet cutting capability for FSW panels globally, for ship hulls, superstructures, modules, and buildings.
• Renewables - Offshore Wind Solutions Aluminium helidecks, support structures, FlexiBarriers, walkways, platforms, antenna towers, stairs, ladders, handrails, and modules for offshore wind substations and turbines, CE marked and designed to Eurocode and ISO standards.
• Aftersales Services Aftersales service covering inspections, assembly and installation assistance, maintenance, friction testing of helidecks, safety net replacement and testing, engineering modifications, spare parts supply, and redesigns for installed Marine Aluminium products.
• Pre-owned Refurbished Helideck Container Kit Pre-owned, inspected and quality-assured helideck container kit delivered from Texas, USA, providing a cost-efficient second-life alternative for offshore and marine operators.

Quantifiable outcome

• 50-65% weight reduction compared to steel in helideck construction
• +5 more outcomes

Named customers7 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators14 records

Recent moves6 records

Expansion highlights5 records

Peers

• National Oilwell Varco (NOV):

Others

• Brunvoll AS: Norwegian manufacturer of marine propulsion and manoeuvring systems (thrusters, propulsion packages) for offshore and commercial vessels. Thematic Norwegian maritime supplier with overlap in specialised marine equipment for offshore vessels.

Direct peers

• Uptime International AS: Spun off from Marine Aluminium in 2017 to operate as a separate company focused on offshore access solutions, motion-compensated gangways, and helideck-related products. Direct peer sharing heritage, customer base, and product overlap in marine aluminium access equipment.
• MacGregor (TTS Group): Global supplier of marine cargo handling, load-handling, and offshore access solutions, including offshore gangways and deck equipment. Directly comparable in marine access equipment, although with a broader cargo-handling portfolio.
• Bladt Industries: Danish manufacturer of large-scale steel foundations, substations, and offshore wind structures. Direct peer in offshore wind outfitting/substation and platform structures, serving overlapping European offshore-wind customers.
• Smulders: Belgian-Dutch fabricator of offshore wind foundations, jackets, and substations, plus offshore oil & gas modules. Direct peer in heavy offshore steel/aluminium structures and modules for wind and oil & gas.
• Drass Group: Italian manufacturer of offshore living quarters, modules, and pressure vessels for the offshore oil & gas and offshore wind markets. Direct peer in aluminium and steel offshore modules, accommodation units, and specialised structures.

Broad incumbents

• Aker Solutions: Large Norwegian engineering and offshore services company that designs and supplies complete platforms, modules, and offshore structures. Operates out of the same Stord/Verdal yard cluster; broader scope and scale than Marine Aluminium, but directly comparable as a Norwegian offshore fabricator.
• Vard (Fincantieri): Norwegian-Italian shipbuilder of offshore service vessels, offshore wind service operation vessels (SOVs), and specialised ships. Indirect peer as a buyer of aluminium outfitting and as a competitor for integrated offshore platform packages.
• Ulstein: Norwegian shipbuilder and ship designer known for offshore vessels and offshore wind SOVs. Broader incumbent in Norwegian marine construction, with adjacent capability in outfitting and aluminium-intensive vessel designs.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/marinealuminium
• LinkedInlinkedin.com/company/marine-aluminium-as

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

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 Marine Aluminium Group