Company lists · Data refreshed November 2026

Top 25 Ocean-based climate solutions companies worldwide

RevenueBase identified 1,793 company matches for ocean-based climate solutions companies worldwide as of November 2026 and tracks 90,818 professional contacts across them, including 33,346 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ocean-based climate solutions companies worldwide, 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. Country and city lists for ocean-based climate solutions companies follow the table.

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
1,793Companies
90,818Contacts tracked
33,346Verified emails
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The 25 largest ocean-based climate solutions companies worldwide

Ranked by team size
Top 25 of 1,793 company matches for ocean-based climate solutions companies worldwide, 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 matchLondon, United KingdomHQ recorded Nov 6, 202610001+13,467 contacts →

Exact match

“Subsea7 makes offshore energy transition possible through the continuous evolution of lower-carbon oil and gas and by enabling the growth of renewables and emerging energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHelsinki, FinlandHQ recorded Nov 6, 202610001+11,037 contacts →

Exact match

“We are a global leader in innovative technologies and services shaping the decarbonisation of marine and energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchUnited StatesHQ recorded Nov 6, 202610001+10,403 contacts →

Exact match

“Carrier is a global leader in intelligent climate and energy solutions, pioneering sustainable innovations in climate technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20265,001-10,0009,397 contacts →

Exact match

“SBM Offshore is the world’s deepwater ocean-infrastructure expert.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBeveren-kruibeke-zwijndrecht, BelgiumHQ recorded Nov 6, 20265,001-10,0004,731 contacts →

Exact match

“DEME (Euronext Brussels: DEME) is a leading contractor in the fields of offshore energy, dredging and marine infrastructure, and environmental remediation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNew York, United StatesHQ recorded Nov 6, 20261,001-5,0001,446 contacts →

Exact match

“We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026201-5001,353 contacts →

Exact match

“With more than 50 years of legacy, Maersk Supply Service celebrates a new important milestone: from November 1st, our headquarters are officially located in Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000956 contacts →

Exact match

“Anthesis guides clients to sustainable performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAbu Dhabi Uae, SingaporeHQ recorded Nov 6, 20261,001-5,000945 contacts →

Exact match

“We are a leading provider of integrated marine solutions driving the global transformation to sustainable energy by delivering impact where it matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOakland, CA, United StatesHQ recorded Nov 6, 2026201-500815 contacts →

Exact match

“Our mission is simple - to combat climate change through market-based, cost-effective energy, carbon, and water management solutions that make big impacts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchZurich, SwitzerlandHQ recorded Nov 6, 2026501-1,000790 contacts →

Exact match

“South Pole is the world's leading carbon asset developer and climate consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAmsterdam, NY, United StatesHQ recorded Nov 6, 2026501-1,000566 contacts →

Exact match

“Organizations come to ACT when a climate target, regulatory requirement, or emissions challenge needs a solution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCopenhagen, DenmarkHQ recorded Nov 6, 2026501-1,000482 contacts →

Exact match

“ZeroNorth is a technology leader committed to accelerating the energy transition in global shipping.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBarrow-in-furness, United KingdomHQ recorded Nov 6, 20261,001-5,000453 contacts →

Exact match

“Above, below and beyond the world’s oceans.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOpfikon, SwitzerlandHQ recorded Nov 6, 2026201-500413 contacts →

Exact match

“Climeworks is a leading high-quality carbon removal provider, combining decades of expertise in Direct Air Capture (DAC) technology with holistic carbon removal solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchGeneva, SwitzerlandHQ recorded Nov 6, 202651-200411 contacts →

Exact match

“EcoSecurities is a global leader in climate solutions, harnessing the power of nature, technology, and finance to accelerate decarbonisation efforts worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHorten, NorwayHQ recorded Nov 6, 20261,001-5,000411 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500317 contacts →

Exact match

“3Degrees is a leading global climate solutions provider, pioneer of environmental markets, and Certified B Corporation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNyon, SwitzerlandHQ recorded Nov 6, 202651-200281 contacts →

Exact match

“SCB is a low carbon market leader providing bespoke solutions to help customers achieve their climate goals, carbon neutrality and net-zero commitments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLysaker, NorwayHQ recorded Nov 6, 2026201-500262 contacts →

Exact match

“At SLB Capturi, we are dedicated to making carbon capture a reality today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchItalyHQ recorded Nov 6, 2026501-1,000250 contacts →

Exact match

“NEXTCHEM is MAIRE’s company dedicated to Sustainable Technology Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchArlington, VA, United StatesHQ recorded Nov 6, 2026201-500238 contacts →

Exact match

“We are in the business of conservation, creating innovative solutions that drive nature-based action for climate protection, sustainable economies and vibrant communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBrownsville, TX, United StatesHQ recorded Nov 6, 20261,001-5,000229 contacts →

Exact match

“Seatrium AmFELS is an industry pioneer committed to sustainability by providing cleaner offshore & marine solutions, offshore renewables, and new energy, generating long-term…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHouston, UT, United StatesHQ recorded Nov 6, 2026201-500217 contacts →

Exact match

“Anew Climate is a global leader of diverse climate solutions, bringing innovative products and services to the public and private sectors to help reduce or offset their carbon…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchIndore, IndiaHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“EKI Energy Services Ltd.(EKI), erstwhile EnKing International in the climate sector globally, is a leading Carbon Credit Developer & Supplier across the globe.”

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

Showing 25 of 1,793 ocean-based climate solutions companies worldwide

See the full list, filter by size, metro and specialty, and access 33,346 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ocean-based climate solutions companies worldwide at a glance

As of Nov 6, 2026
36.7%Verified-email coverage
50.7Average contacts per company
1-10Median size (employees)
4.0%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,096
11-50
509
51-200
126
201-500
24
501-1,000
8
1,001-5,000
12
5,001-10,000
3
10001+
10

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for ocean-based climate solutions companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “ocean-based climate solutions companies” 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. 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 33,346 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.

Ocean-based climate solutions companies by location

17 lists · largest first

Every Ocean-based climate solutions companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “ocean-based climate solutions companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ocean-based climate solutions companies are there worldwide?

RevenueBase identified 1,793 company matches for ocean-based climate solutions companies worldwide 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?

Subsea7 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most ocean-based climate solutions companies?

The United States leads with 300 companies, followed by the United Kingdom (157) and India (100). Every ocean-based climate solutions companies list by country and city is linked on this page.

Which city has the most ocean-based climate solutions companies?

London leads with 71 company records, followed by Singapore (32) and Paris (26).

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 33,346 professional contacts with verified work emails tracked across these 1,793 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.