Company lists · Data refreshed September 2026

Top 25 Seabed mining contractors based in Norway

RevenueBase identified 49 company matches for seabed mining contractors associated with Norway as of September 2026 and tracks 2,917 professional contacts across them, including 969 with verified work emails. Oslo is the largest hub.

This list covers company matches for seabed mining contractors associated with Norway, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built
49Companies
2,917Contacts tracked
969Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest seabed mining contractors based in Norway

Ranked by team size
Top 25 of 49 company matches for seabed mining contractors based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLaksevåg, NorwayHQ recorded Sep 17, 20261,001-5,0001,031 contacts →

Exact match

“Shearwater is a global marine geoscience and technology business.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2Exact matchHorten, NorwayHQ recorded Sep 17, 20261,001-5,000638 contacts →

Exact match

“In a constantly changing market environment, Kongsberg Discovery is serving the ocean space from the deepest sea to the outer space.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3Exact matchHaugesund, NorwayHQ recorded Sep 17, 2026201-500454 contacts →

Exact match

“Reach Subsea ASA (“Reach Subsea”, “Reach” or “the Group”) is a prominent offshore contractor that offer high quality solutions and technology to clients in need of ocean data and…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4Exact matchStavanger, NorwayHQ recorded Sep 17, 2026201-500299 contacts →

Exact match

“Ocean Installer is a leading marine construction company that specializes in offshore installation services with more than 15 years of experience delivering large and complex…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5Exact matchAsker, NorwayHQ recorded Sep 17, 202651-20071 contacts →

Exact match

“Argeo was established by an experienced team of professionals in 2017 with HQ in Asker, Norway.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6Exact matchBergen, NorwayHQ recorded Sep 17, 202651-20040 contacts →

Exact match

“Swire Seabed provides a highly flexible range of integrated subsea services to the global Oil & Gas and renewables industries.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7Exact matchSandnes, NorwayHQ recorded Sep 17, 202611-5025 contacts →

Exact match

“Allton is a Technology & Service company that specialises in Ocean Bottom Node data acquisition for Hydrocarbon Exploration and Production (E&P), CO2 Measurement Monitoring and…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8Exact matchAvaldsnes, NorwayHQ recorded Sep 17, 202611-5025 contacts →

Exact match

“Techno Dive is your partner for Safe and Efficient Subsea Work.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9Exact matchBergen, NorwayHQ recorded Sep 17, 202611-5022 contacts →

Exact match

“Vi utfører oppdrag innen mudring, sprenging, riving, konstruksjon, inspeksjon og mye mer under vann.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10Exact matchKristiansund, NorwayHQ recorded Sep 17, 202611-5021 contacts →

Exact match

“Deep C provides Seabed Intervention Services that simply fit together.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11Exact matchÅlesund, NorwayHQ recorded Sep 17, 202611-5020 contacts →

Exact match

“Our revolutionary technology for non-invasive, precision seabed harvesting not only preserves, but can also help to revitalise fragile and often overlooked ecosystems at the…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12Exact matchKolltveit, NorwayHQ recorded Sep 17, 202611-5018 contacts →

Exact match

“Valen Marina AS er en sjøentreprenør som har sitt virke innenfor dykke- og ROV tjenester.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13Exact matchStavanger, NorwayHQ recorded Sep 17, 202611-5014 contacts →

Exact match

“Norkyst AS is a specialist in nearshore seabed mapping, hydrographic surveying and environmental assessments.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact matchLysaker, NorwayHQ recorded Sep 17, 202611-5012 contacts →

Exact match

“Pioneering Magnetic Solutions for the Marine Industry.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15Exact matchBryne, NorwayHQ recorded Sep 17, 202611-508 contacts →

Exact match

“Envirent AS is a part of Envirex Group and has since startup focused on developing an own rental fleet of equipment related to subsea intervention, installation, maintenance and…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16Exact matchOslo, NorwayHQ recorded Sep 17, 20261-107 contacts →

Exact match

“Volcanic Basin Energy Research (VBER) is a research and consulting company in Oslo.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17Exact matchFinnsnes, NorwayHQ recorded Sep 17, 202651-2007 contacts →

Exact match

“Finnsnes Dykk & Anleggservice AS er en maritim entreprenør som leverer tjenester til havbruksnæringen, entreprenører og det offentlige.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18Exact matchRørvik, NorwayHQ recorded Sep 17, 202611-506 contacts →

Exact match

“Nærøysund Aquaservice AS er en allsidig og veldrevet bedrift i Nærøysund kommune i Trøndelag som selger tjenester og produkter, hovedsakelig til havbruksnæringen, men også til…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19Exact matchKristiansund, NorwayHQ recorded Sep 17, 20261-106 contacts →

Exact match

“Driven by a deep commitment to the ocean and marine life, we have developed advanced, efficient, and environmentally responsible technologies for the industrial harvesting of…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20Exact matchVåle, NorwayHQ recorded Sep 17, 202611-506 contacts →

Exact match

“Vi stiller sterkt med 8 borerigger, spesialutstyr for undersøkelser til sjøs og vårt eget geotekniske laboratorium.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21Exact matchHonningsvåg, NorwayHQ recorded Sep 17, 202611-506 contacts →

Exact match

“MARINE CONTRACTING - MARINE INFRASTRUCTURE - MARINE SERVICE - SEABED SOLUTIONS - PIPELINES - MARINE CREW - TRANSPORT - Cargo”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22Exact matchBergen, NorwayHQ recorded Sep 17, 20261-106 contacts →

Exact match

“ADEPTH is a Norwegian based company with the aim to deliver sustainable exploration and extraction of marine minerals.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23Exact matchSentrum, NorwayHQ recorded Sep 17, 202611-505 contacts →

Exact match

“Green Minerals enables the worlds drive towards electrification and digitization in a sustainable manner.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24Exact matchStavanger, NorwayHQ recorded Sep 17, 20261-103 contacts →

Exact match

“To reach the UN Sustainable Development Goals, electrification will be of great importance.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25Exact matchOslo, NorwayHQ recorded Sep 17, 20261-103 contacts →

Exact match

“Granfoss develops and delivers continuous dredging and sustainable sediment management through autonomous technology.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

Showing 25 of 49 seabed mining contractors based in Norway

See the full list, filter by size, metro and specialty, and access 969 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Seabed mining contractors based in Norway at a glance

As of Sep 17, 2026
33.2%Verified-email coverage
59.5Average contacts per company
11-50Median size (employees)
10.2%Largest-city concentration · Oslo
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
20
11-50
18
51-200
7
201-500
2
1,001-5,000
2

Email recency for this list is measured worldwide rather than for Norway, so it is reported there. Company counts and contact totals on this page are exact for Norway, over 49 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Norway whose business descriptions match “seabed mining contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 969 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “seabed mining contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many seabed mining contractors are there based in Norway?

RevenueBase identified 49 company matches for seabed mining contractors associated with Norway as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Shearwater Geoservices tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most seabed mining contractors?

Oslo leads with 5 company records, followed by Stavanger (4) and Bergen (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 969 professional contacts with verified work emails tracked across these 49 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

Ready to reach these companies? Verified emails and direct dials for all 49 seabed mining contractors based in Norway. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.