Company lists · Data refreshed November 2026

Top 22 Sustainability nonprofits based in Oslo, Norway

RevenueBase identified 58 company matches for sustainability nonprofits associated with Oslo, Norway as of November 2026 and tracks 578 professional contacts across them, including 193 with verified work emails. Across Norway, Oslo is the largest hub for this category.

This list covers company matches for sustainability nonprofits associated with Oslo, 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 November 6, 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 Nov 6, 2026 How this list was built
58Companies
578Contacts tracked
193Verified emails
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The 22 largest sustainability nonprofits based in Oslo, Norway

Ranked by team size
Top 22 of 58 company matches for sustainability nonprofits based in Oslo, Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 202651-200148 contacts →

Exact match

“The Bellona Foundation is an independent, non profit, science based environmental organization, founded in 1986.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOslo, NorwayHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Since 1989, Rainforest Foundation Norway has stood alongside Indigenous peoples and local communities in the world’s rainforests-protecting both their rights and the irreplaceable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchOslo, NorwayHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Miljøstiftelsen ZERO er en uavhengig, ideell organisasjon som ble stiftet i 2002 av en gruppe tidligere aktive og ansatte i Natur og Ungdom og Bellona.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchOslo, NorwayHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“UN Global Compact is the UNs organization for sustainable and responsible business, and is both Norways and the worlds largest corporate sustainability initiative.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchOslo, NorwayHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“Vi fyller bærekraftsbegrepet med innhold og viser hvordan virksomheter best kan posisjonere seg i den nye, bærekraftige økonomien.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOslo, NorwayHQ recorded Nov 6, 20261-1013 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOslo, NorwayHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“Vi samarbeider med kommuner, næringsliv og innbyggere som vil utvikle et mer bærekraftig samfunn.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchOslo, NorwayHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Spire is a development and environmental youth organisation that focuses on information work and political influence to create change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOslo, NorwayHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Resirqel was established in 2013 as an answer to a enormous waste of high quality building material in the Norwegian construction industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOslo, NorwayHQ recorded Nov 6, 20261-108 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchOslo, NorwayHQ recorded Nov 6, 202611-508 contacts →

Exact match

“The Norwegian Forestry Society is a non-profit membership organization that wants all people to experience the forest as a valuable source of quality of life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOslo, NorwayHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Our collaborators are passionately committed to sustainability transformations – we are passionately committed to see them succeed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOslo, NorwayHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Variable helps businesses decarbonize their value chain to discover new opportunities for sustainable growth.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchOslo, NorwayHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Ung i Bærekraft er en arena for nettverksbygging og deling av kunnskap og erfaringer mellom unge som jobber innenfor bærekraftsfeltet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOslo, NorwayHQ recorded Nov 6, 202611-505 contacts →

Exact match

“The overarching theme of the research group Sustainability Law is to conduct analyses of law with the teleological aim of identifying normative solutions that contribute to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOslo, NorwayHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Fossagrim hjelper bedrifter med balansere sine natur- og klimaavtrykk gjennom bevaring av skandinavisk skog som ellers ville vært hogd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchOslo, NorwayHQ recorded Nov 6, 202651-2003 contacts →

Exact match

“Guiding global energy leadership towards sustainability”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchOslo, NorwayHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Vi er et strategisk kommunikasjonsselskap tuftet på kreativitet og samarbeid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOslo, NorwayHQ recorded Nov 6, 20261-102 contacts →

Exact match

“When it comes to green tech, social inclusion, outdoor participation and environmental stewardship, Scandinavia leads the way.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOslo, NorwayHQ recorded Nov 6, 20261-101 contacts →

Exact match

“SPOR – natur og reiseliv» er Trygve Sunde Kolderup og Haaken Christensen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchOslo, NorwayHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Myldring er et ansatteid konsulentselskap med tverrfaglig kompetanse innen bærekraft, kommunikasjon, forretningsutvikling og arrangement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOslo, NorwayHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Developing, supporting and investing in technologies for a sustainable future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 22 of 58 sustainability nonprofits based in Oslo, Norway

See the full list, filter by size, metro and specialty, and access 193 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainability nonprofits based in Oslo, Norway at a glance

As of Nov 6, 2026
33.4%Verified-email coverage
10.0Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
7
51-200
4

Email recency for this list is measured across the whole Norway list rather than for Oslo, so it is reported there. Company counts and contact totals on this page are exact for Oslo, over 58 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 Oslo, Norway whose business descriptions match “sustainability nonprofits” 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 193 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 November 6, 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 “sustainability nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainability nonprofits are there based in Oslo, Norway?

RevenueBase identified 58 company matches for sustainability nonprofits associated with Oslo, Norway as of November 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?

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

Which city in Norway has the most sustainability nonprofits?

Oslo leads Norway with 58 company records, followed by Stavanger (6) and Bergen (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 193 professional contacts with verified work emails tracked across these 58 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 November 6, 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.