Company lists · Data refreshed November 2026

Top 25 Ocean sustainability consultants based in the Netherlands

RevenueBase identified 118 company matches for ocean sustainability consultants associated with the Netherlands as of November 2026 and tracks 908 professional contacts across them, including 337 with verified work emails. Amsterdam is the largest hub.

This list covers company matches for ocean sustainability consultants associated with the Netherlands, 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
118Companies
908Contacts tracked
337Verified emails
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The 25 largest ocean sustainability consultants based in the Netherlands

Ranked by team size
Top 25 of 118 company matches for ocean sustainability consultants based in the Netherlands, 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 matchAmsterdam, NetherlandsHQ recorded Nov 6, 2026201-500170 contacts →

Exact match

“Klimaatroute zet mensen in beweging.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202611-5072 contacts →

Exact match

“AidEnvironment is a not-for-profit sustainability research, strategy and implementation organisation that combines data, cutting-edge technology, collaborative action to achieve…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchFeanwâlden, NetherlandsHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Altenburg & Wymenga ecologisch onderzoek is een onafhankelijk onderzoeks- en adviesbureau op het gebied van ecologie en verwante thema’s als water, natuurbeheer en ruimtelijke…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHendrik-ido-ambacht, NetherlandsHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“Sinds 2007 leveren wij ecologisch onderzoek en ecologisch advies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“NewForesight is a strategy consulting firm that drives the transition to a sustainable economy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Ecomatters is a sustainability consultancy that works closely with corporate and governmental clients to address their sustainability challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 202651-20020 contacts →

Exact match

“WRI’s mission is to move human society to live in ways that protect Earth’s environment and its capacity to provide for the needs and aspirations of current and future generations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHeerenveen, NetherlandsHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“De wereld verandert en verlangt een lagere footprint van iedereen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBladel, NetherlandsHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Verduurzamen is de nieuwe standaard.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHaarlem, NetherlandsHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“The Global Sustainable Seafood Initiative (GSSI) is a public-private partnership working together on a common purpose: turn seafood into a driver for good to preserve oceans for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“ProSea is a centre of expertise initiating, developing and conducting courses on marine awareness and sustainability to professionals working with or at the ocean.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Since Except has been at the forefront of sustainable development, pioneering a systems thinking approach to create a healthier, regenerative, and just society.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWageningen, NetherlandsHQ recorded Nov 6, 202611-507 contacts →

Exact match

“We aim to support the conservation and sustainable use of natural ecosystems by building knowledge and stimulating awareness of the many ways in which people benefit from natural…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20261-107 contacts →

Exact match

“CREM aims for a sustainable future by offering consultancy, research and training to businesses, governments and organisations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 20261-107 contacts →

Exact match

“ImpactNow is een duurzaamheidsadviesbureau opgericht in 2020 en gevestigd in Utrecht, waarbij we geloven dat duurzaamheid begint bij concrete actie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWeesp, NetherlandsHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Stroom Mee is een no-nonsense duurzaamheidsadviesbureau dat ondernemers en overheden helpt bij het bereiken van hun ambities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Sea Going Green is a sustainable tourism consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20261-106 contacts →

Exact match

“EDSP provides high value consultancy and support to organizations globally that are responsible for actions to protect the planet, end poverty or grow prosperity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWageningen, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Ons werkveld: ecologisch onderzoek en advies voor beleid, inrichting, ontwerp en beheer van de dagelijkse leefomgeving, binnen en buiten de stad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBemmel, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Avalon timmert aan de weg naar een duurzame toekomst.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“We are Early birds; early birds in the field of sustainability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Planet+Partners is een no-nonsense duurzaamheidsadviesbureau en -instituut sinds 2008.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGoirle, NetherlandsHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Wat zit er in het DNA van Mijn Zonneveld?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTilburg, NetherlandsHQ recorded Nov 6, 202611-504 contacts →

Exact match

“AXXIA is een 'adviesbureau' op het gebied van milieu,(leef)omgeving en duurzaamheid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 20261-104 contacts →

Exact match

“As the need for more sustainable marine solutions grows, the Ocean Health team is discovering, developing and expanding the possibilities within sustainable marine solutions.”

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

Showing 25 of 118 ocean sustainability consultants based in the Netherlands

See the full list, filter by size, metro and specialty, and access 337 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ocean sustainability consultants based in the Netherlands at a glance

As of Nov 6, 2026
37.1%Verified-email coverage
7.7Average contacts per company
1-10Median size (employees)
17.8%Largest-city concentration · Amsterdam
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
98
11-50
16
51-200
2
201-500
2

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 118 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 the Netherlands whose business descriptions match “ocean sustainability consultants” 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 337 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 “ocean sustainability consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ocean sustainability consultants are there based in the Netherlands?

RevenueBase identified 118 company matches for ocean sustainability consultants associated with the Netherlands 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?

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

Which city has the most ocean sustainability consultants?

Amsterdam leads with 21 company records, followed by Rotterdam (7) and Utrecht (6).

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 337 professional contacts with verified work emails tracked across these 118 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.