What AQS does

AQS is a Norwegian maritime service company headquartered in Flatanger, operating a fleet of 17 specialized service vessels and approximately 160 employees along the Norwegian coast from Vestlandet to Finnmark, with occasional operations in Iceland. The company serves primarily the salmon aquaculture value chain, providing mooring, net maintenance, delousing (bath treatment), towing, seabed mapping, and construction support for fish-farm operators, with diving and ROV operations as a core historical competency since its 1991 founding as Namsos Dykkerselskap.

Core technical capabilities are anchored in proprietary and co-developed operational technologies. AQS deploys its FNC8 net-washing system and a bath-treatment solution developed in partnership with Aqua Pharma, alongside an integrated ROV operation. The vessel fleet includes high-capacity tugs such as AQS Tor (38-ton bollard pull), Multi Service Vessels, and live fish carriers. Onboard systems integrate WASPP multibeam sonar, Olex charting, and Kongsberg positioning for navigation and seabed-mapping work. Following the 2018 merger with KB Dykk AS, AQS operates through multiple subsidiaries including AQS Subsea, AQS Fisk, and AQS Karsten.

The business model combines time-charter (TC) agreements, recurring service contracts, and ad-hoc assignments with aquaculture operators. Revenue is generated through vessel day-rates and per-assignment fees across the service portfolio. In 2024 the company received investment from Marguerite, a pan-European infrastructure fund, which management has framed as the launching point for a 'version 2.0' expansion phase that includes ongoing fleet renewal (AQS Heimdal and AQS Saga in 2024; AQS Frigg and AQS Æge scheduled for 2026) and the build-out of a dedicated commercial function.

Name

AQS

Legal name

AQS AS

Website

https://aqs.no

Company type

Private

Founded year

1991

Operating status

Operating

Headcount range

101–250 employees

Short description

AQS is a Norwegian maritime service company operating 17 specialized vessels and 160 employees, providing mooring, net maintenance, delousing, ROV, and towing services to salmon aquaculture operators along the Norwegian coast.

Ownership category

akta.pro rank

Product category

Aquaculture Services

NAICS

Aquaculture (11251), Other Aquaculture (112519), Support Activities for Water Transportation (4883)

SIC

Agricultural Services (700), Water Transportation (4400)

akta.pro primary industry

Aquaculture Farm Services & Operations Support (net cleaning, diving, grading, harvesting) (AFAEAAAM)

akta.pro secondary industries

Aquaculture Health, Biosecurity & Veterinary Services (AFAEAAAK), Aquaculture & Fish-Farm Service Vessels (Feed, Wellboats, Harvest Support) (IMAJADAF)

Keywords

• Aquaculture services
• Fish farming support
• Marine diving services
• Net maintenance services
• Delousing operations

Headquarters

HQ city

Flatåker

HQ country

Norway

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Maritime Service Contracts: AQS provides a wide range of service contracts to aquaculture operators and other maritime actors. Services include delousing, mooring, net and collar services, documentation, towing, salvage, cable laying, construction work, and seabed mapping. Revenue is generated through project-based service contracts, TC (time charter) agreements, and ad-hoc service assignments.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

AQS provides maritime and subsea services to aquaculture operators along the Norwegian coast using a fleet of 17 specialized service vessels and about 160 staff. Its core offerings include mooring, net maintenance, sea lice delousing, towing, ROV operations, seabed mapping, construction, and diving services performed at fish farm sites. The company serves as a single integrated service provider for the operational and maintenance needs of Norwegian fish farming customers.

Product overview

AQS is a maritime service contractor providing a comprehensive portfolio of specialized services to the aquaculture industry and other maritime operators. The company operates a modern fleet of 17 specialized service vessels ranging from high-speed diver boats to catamarans and single-hull vessels up to 49 meters. The core offering encompasses work diving and ROV operations, mooring solutions, net and collar management, fish delousing treatment, seabed mapping, construction work, and towing, transport, salvage, and cable services. The service vessels are equipped with advanced technology including ROVs, positioning systems (Kongsberg HIpap), seabed mapping equipment (WASSP, Olex), cranes, winches, and specialized diving stations.

Differentiator

Problem solved

Functional benefit

Products and services

• Mooring services Installation, inspection, and maintenance of mooring systems at fish farm sites along the Norwegian coast, delivered by AQS vessels and crew. Targeted at commercial aquaculture operators.
• Net maintenance services Inspection, cleaning, repair, and replacement of fish farm nets, carried out at marine sites for aquaculture operators.
• Delousing services Non-medicinal sea lice treatment operations at fish farm sites, designed to manage sea lice pressure on farmed fish without disrupting production.
• Towing services Marine towing support for fish farm infrastructure, including movement and positioning of aquaculture assets along the Norwegian coast.
• ROV operations Remotely operated vehicle (ROV)-based subsea inspection, intervention, and survey work at fish farm sites, executed by AQS operators.
• Seabed mapping Hydrographic and seabed mapping surveys at and around fish farm sites, providing site-condition data for aquaculture operators.
• Diving services Commercial diving operations for underwater installation, inspection, and repair work at fish farm sites along the Norwegian coast.
• Construction services Marine construction work supporting fish farm infrastructure, delivered as part of AQS's integrated aquaculture service portfolio.

Quantifiable outcome

• Large deck capacity for net replacement - AQS Njord with 171 sqm, AQS Odin with 285 sqm
• +1 more outcomes

Named customers2 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Aqua PharmacoreStrategic or Co-development PartnerAQS has developed its bath treatment method (badebehandling) for delousing salmon and AGD treatment in collaboration with Aqua Pharma. This method is gentle on fish and provides good results for fish farmers. The partnership represents co-development of a proprietary treatment approach.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Solstad Offshore: Large Norwegian offshore vessel owner with deep experience in subsea and ROV-support vessels. Comparable as a Norwegian-flagged vessel operator with potential cross-over into aquaculture vessel demand, though primarily oil-and-gas-focused.
• Frøy Offshore: Norwegian offshore service vessel operator with growing exposure to aquaculture logistics and wellboat work. Comparable at the vessel-operations and crew-deployment layer, although Frøy's core business remains offshore oil and gas.

Direct peers

• Akva Group: Largest aquaculture technology and service supplier globally, with strong Norwegian presence in equipment, feeding, and increasingly in service and vessel-based offerings. Directly comparable as a Norwegian-headquartered aquaculture services platform competing for similar salmon-farmer contracts.
• Stingray Marine Solutions: Norwegian aquaculture technology company offering laser-based sea lice removal. Comparable as a competing delousing technology supplier targeting the same Norwegian salmon farmers AQS serves, with a more specialized, non-vessel-based treatment approach.
• Aqualine: Norwegian supplier of delousing and fish-handling systems, often integrated into service vessels. Comparable to AQS's bath-treatment and delousing service offering from the equipment/system side.
• Sølvtrans: World's largest wellboat operator serving the Norwegian and international salmon farming industry. Comparable as a Norwegian-based aquaculture vessel services provider; AQS overlaps in vessel-based fish handling and wellboat-adjacent services.
• Bjordal: Norwegian provider of aquaculture service vessels, ROV operations, and mooring/net services. Closely comparable in service scope (mooring, diving, ROV, net work) and customer base (Norwegian salmon farmers) along the coast.
• Flatsetsund Engineering: Norwegian company specializing in aquaculture service vessels, delousing systems, and fish handling equipment. Comparable as a direct competitor in vessel-based delousing and net/mooring services for Norwegian fish farms.

Others

• Grieg Seafood: Major Norwegian salmon farming company and a named AQS customer (delousing work in Finnmark). Relevant as both a key account and a representative of AQS's enterprise customer archetype in Norwegian salmon.
• SalMar: One of the world's largest salmon farmers and a likely AQS service buyer along the Norwegian coast. Relevant as a representative enterprise customer and as a driver of consolidated demand for aquaculture service contracts.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/maritimpresisjon
• LinkedInlinkedin.com/company/aqs-as

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 AQS