Company lists · Data refreshed October 2026

Top 25 Carbon transformation services based in Norway

RevenueBase identified 99 company matches for carbon transformation services associated with Norway as of October 2026 and tracks 1,981 professional contacts across them, including 803 with verified work emails. Oslo is the largest hub.

This list covers company matches for carbon transformation services 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 October 23, 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 Oct 23, 2026 How this list was built
99Companies
1,981Contacts tracked
803Verified emails
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The 25 largest carbon transformation services based in Norway

Ranked by team size
Top 25 of 99 company matches for carbon transformation services based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 23, 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 matchOslo, NorwayHQ recorded Oct 23, 20261,001-5,0001,134 contacts →

Exact match

“GK er en ledende teknisk entreprenør og servicepartner.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
2Exact matchOslo, NorwayHQ recorded Oct 23, 202651-20082 contacts →

Exact match

“Specialists in thermal energy.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
3Exact matchOslo, NorwayHQ recorded Oct 23, 202651-20076 contacts →

Exact match

“Future Technology - Part of Rejlers AS was founded in February 2011 and is located in Oslo, Norway.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
4Exact matchOslo, NorwayHQ recorded Oct 23, 202651-20071 contacts →

Exact match

“At Hydro Rein, we're leading the race to decarbonize industry, delivering renewable energy solutions tailored to the demands of energy-intensive processes.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
5Exact matchOslo, NorwayHQ recorded Oct 23, 202611-5044 contacts →

Exact match

“Carbon Limits works with public authorities, private companies, finance institutions and non-governmental organizations to reduce emissions of greenhouse gas emissions from energy…”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
6Exact matchTrondheim, NorwayHQ recorded Oct 23, 202651-20043 contacts →

Exact match

“Entro is an energy- and environmental consultancy firm with two clients – our customers and the environment.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
7Exact matchRakkestad, NorwayHQ recorded Oct 23, 202651-20039 contacts →

Exact match

“Mjørud AS is a technology company located in of modern premises at Rudskogen in Rakkestad, Østfold.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
8Exact matchOslo, NorwayHQ recorded Oct 23, 202611-5032 contacts →

Exact match

“For over two decades, Ecohz has pioneered the world of renewable electricity.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
9Exact matchOslo, NorwayHQ recorded Oct 23, 2026n/a27 contacts →

Exact match

“Fra nyttår ble Erichsen & Horgen en del av Multiconsult.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
10Exact matchSandnes, NorwayHQ recorded Oct 23, 202611-5022 contacts →

Exact match

“Engineering clean air and enabling clean energy for a decarbonising world.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
11Exact matchOslo, NorwayHQ recorded Oct 23, 202611-5021 contacts →

Exact match

“Carbon Circle is a project development and EPC house addressing the increasing demand for carbon reduction and energy transition solutions globally.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
12Exact matchLysaker, NorwayHQ recorded Oct 23, 202611-5021 contacts →

Exact match

“EvoTek tilbyr rådgivingstjenester innenfor energirådgivning, byggherretjenester og tverrfaglig teknisk rådgivning.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
13Exact matchOslo, NorwayHQ recorded Oct 23, 202611-5020 contacts →

Exact match

“Accelerating Sustainable Evolution – Join Us on Our Journey!”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
14Exact matchOslo, NorwayHQ recorded Oct 23, 202611-5019 contacts →

Exact match

“Din samarbeidspartner for å tydeliggjøre ambisjon og retning, forme strategi og sikre gjennomføringskraft som realiserer ambisiøse mål.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
15Exact matchBergen, NorwayHQ recorded Oct 23, 2026201-50019 contacts →

Exact match

“Multi-discipline engineering, staffing, and project execution company.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
16Exact matchOslo, NorwayHQ recorded Oct 23, 20261-1013 contacts →

Exact match

“BERGFALD Miljørådgivere rydder forurensing og bidrar til grønn omstilling.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
17Exact matchÅlesund, NorwayHQ recorded Oct 23, 202611-5013 contacts →

Exact match

“Riksheim er en rådgivningsbedrift som tilbyr ingeniørtjenester innenfor miljø og energiløsninger.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
18Exact matchFornebu, NorwayHQ recorded Oct 23, 202651-20012 contacts →

Exact match

“Aker Horizons develops green energy and green industry to accelerate the transition to net zero.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
19Exact matchKristiansand, NorwayHQ recorded Oct 23, 202651-20012 contacts →

Exact match

“Frontica Engineering has merged with Aker Solutions.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
20Exact matchPorsgrunn, NorwayHQ recorded Oct 23, 202611-5010 contacts →

Exact match

“We strive to lead the world into the new energy future by providing innovative solutions that make us more efficient and lower emissions.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
21Exact matchStavanger, NorwayHQ recorded Oct 23, 202611-5010 contacts →

Exact match

“Engineering with a focus on the green path.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
22Exact matchBergen, NorwayHQ recorded Oct 23, 202611-508 contacts →

Exact match

“NODE is an independent consulting engineering company located in the heart of Bergen.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
23Exact matchEidsvoll, NorwayHQ recorded Oct 23, 202611-508 contacts →

Exact match

“Erithy is a team of passionate problem-solvers dedicated to empower the future of energy.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
24Exact matchHønefoss, NorwayHQ recorded Oct 23, 20261-107 contacts →

Exact match

“Vi skaper fremtidens energiløsninger Elektroutvikling består av et fagmiljø som kombinerer solid praktisk erfaring og teknisk innsikt, med et klart blikk for hvor kraftbransjen er…”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase
25Exact matchOslo, NorwayHQ recorded Oct 23, 20261-107 contacts →

Exact match

“At Accrona, we see ourselves as your partners.”

Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase

Showing 25 of 99 carbon transformation services based in Norway

See the full list, filter by size, metro and specialty, and access 803 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Carbon transformation services based in Norway at a glance

As of Oct 23, 2026
40.5%Verified-email coverage
20.0Average contacts per company
1-10Median size (employees)
35.4%Largest-city concentration · Oslo
Oct 23, 2026Page data refreshed

Companies by employee count

1-10
67
11-50
21
51-200
8
201-500
1
1,001-5,000
1
5,001-10,000
1

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 99 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 “carbon transformation services” 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 803 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 October 23, 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.

Carbon transformation services by metro

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 “carbon transformation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many carbon transformation services are there based in Norway?

RevenueBase identified 99 company matches for carbon transformation services associated with Norway as of October 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?

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

Which city has the most carbon transformation services?

Oslo leads with 35 company records, followed by Trondheim (5) and Alesund (4).

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 803 professional contacts with verified work emails tracked across these 99 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 October 23, 2026.

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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.