Company lists · Data refreshed September 2026

Top 25 Environmental audit consulting firms based in the Netherlands

RevenueBase identified 212 environmental audit consulting firms headquartered in the Netherlands as of September 2026 and tracks 2,708 professional contacts across them, including 1,200 with verified work emails. Amsterdam is the largest hub.

This list covers environmental audit consulting firms headquartered in the Netherlands, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
212Companies
2,708Contacts tracked
1,200Verified emails
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The 25 largest environmental audit consulting firms based in the Netherlands

Ranked by team size
Top 25 of 212 environmental audit consulting firms based in the Netherlands, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to environmental audit consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceAmsterdam, NetherlandsHQ checked Sep 28, 2026501-1,000556 contacts →

Partial evidence

“As the leading environmental solutions partner for organizations globally, ACT helps its partners meet increasing environmental action and disclosure expectations from regulators…”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceBeek En Donk, NetherlandsHQ checked Sep 28, 202651-200117 contacts →

Indirect evidence

“Teia is dienstbaar aan uw ecologisch adviesbureau!”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceZoetermeer, NetherlandsHQ checked Sep 28, 202651-200116 contacts →

Indirect evidence

“Praktisch, nuchter en deskundig.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceRotterdam, NetherlandsHQ checked Sep 28, 202651-20099 contacts →

Indirect evidence

“SGI Compliance is een expert op het gebied van milieu- en gezondheidsvraagstukken.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceAmsterdam, NetherlandsHQ checked Sep 28, 2026n/a87 contacts →

Indirect evidence

“Gaia Ecologie, uw toegewijde ecologisch adviesbureau, is gespecialiseerd in hoogwaardig grootschalig ecologisch onderzoek en uitgebreide rapportage.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceLe, NetherlandsHQ checked Sep 28, 202651-20081 contacts →

Partial evidence

“At PRé, we help companies turn sustainability strategy into action, through fact-based consulting services, training and software solutions based on life cycle thinking.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceOldenzaal, NetherlandsHQ checked Sep 28, 202651-20079 contacts →

Indirect evidence

“Geofoxx is een succesvolle dienstverlener voor milieuvraagstukken met vestigingen in Gouda, Oldenzaal en Tilburg.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceVestigingen, NetherlandsHQ checked Sep 28, 2026201-50057 contacts →

Indirect evidence

“Econsultancy is een onafhankelijk ingenieursbureau dat in opdracht van overheden, het bedrijfsleven en particulieren projecten uitvoert op het gebied van bodem, water, infra…”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceHoogeveen, NetherlandsHQ checked Sep 28, 202651-20055 contacts →

Indirect evidence

“Eco Reest is een ecologisch adviesbureau met bodem- en asbest expertise.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceRotterdam, NetherlandsHQ checked Sep 28, 202611-5050 contacts →

Indirect evidence

“Nexio Projects is an international consultancy firm, helping organisations reach their sustainability ambitions.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceRidderkerk, NetherlandsHQ checked Sep 28, 202611-5041 contacts →

Indirect evidence

“Welkom bij RSK Netherlands, onderdeel van de RSK Group PLC.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceHendrik-ido-ambacht, NetherlandsHQ checked Sep 28, 202611-5041 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceWageningen, NetherlandsHQ checked Sep 28, 202611-5036 contacts →

Indirect evidence

“Regelink Ecologie & Landschap is een onafhankelijk, landelijk werkend ecologisch advies- en onderzoekbureau, met decentraal gevestigde ecologische adviseurs die tevens als…”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceCulemborg, NetherlandsHQ checked Sep 28, 202611-5031 contacts →

Indirect evidence

“Bureau Viridis is een onafhankelijk ecologisch advies- en onderzoeksbureau voor natuur en landschap met projecten verspreid door het land.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceDeventer, NetherlandsHQ checked Sep 28, 202611-5030 contacts →

Indirect evidence

“Rules exist to define the boundaries within which we, as individuals and organizations, can operate freely and securely.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceLopik, NetherlandsHQ checked Sep 28, 202611-5029 contacts →

Indirect evidence

“KP Adviseurs BV (voorheen Koenders & Partners adviseurs en procesmanagers bv) is in 2005 gebouwd op de fundamenten van jarenlange kennis en ervaring in de wereld van…”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceVeghel, NetherlandsHQ checked Sep 28, 202611-5027 contacts →

Indirect evidence

“De Roever Omgevingsadvies heeft een brede kijk op milieuzaken.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceRoermond, NetherlandsHQ checked Sep 28, 202611-5025 contacts →

Indirect evidence

“Bij Embridge geloven we in een wereld waarin economie en ecologie hand in hand gaan.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceZeist, NetherlandsHQ checked Sep 28, 202611-5022 contacts →

Indirect evidence

“JMA is een veelzijdig milieuadviesbureau dat zich richt op vier belangrijke milieuaspecten: afval, water, milieuzorg en energie.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceRotterdam, NetherlandsHQ checked Sep 28, 202611-5021 contacts →

Indirect evidence

“bbci Frijwijk bv is een gespecialiseerd bedrijf in het uitvoeren van bouwkundige en civieltechnische inspecties.”

Source: RevenueBase Database · checked Sep 28, 2026
21Partial evidenceEindhoven, NetherlandsHQ checked Sep 28, 202611-5020 contacts →

Partial evidence

“Ingenia is an innovative consulting and engineering company in the field of renewable energy, waste management and odour & emission control.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceWaddinxveen, NetherlandsHQ checked Sep 28, 202611-5020 contacts →

Indirect evidence

“4RISK is een ervaren organisatie en landelijk actief op het gebied van omgevingsrisico management bij bouw, infrastructurele en civieltechnische werkzaamheden.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceUtrecht, NetherlandsHQ checked Sep 28, 202611-5019 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceCapelle Aan Den Ijssel, NetherlandsHQ checked Sep 28, 202611-5018 contacts →

Indirect evidence

“Planklaar is een specialistisch adviesbureau in omgevingsvergunningen en werkt hoofdzakelijk in opdracht van gemeenten en omgevingsdiensten.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceAmsterdam, NetherlandsHQ checked Sep 28, 202611-5018 contacts →

Indirect evidence

“The Overview Effect was founded by a mix of freelance sustainability consultants and seasoned ESG veterans who have successfully built a sustainability consultancy before.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 212 environmental audit consulting firms based in the Netherlands

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Environmental audit consulting firms based in the Netherlands at a glance

As of Sep 28, 2026
44.3%Verified-email coverage
12.8Average contacts per company
1-10Median size (employees)
10.4%Largest-city concentration · Amsterdam
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
149
11-50
42
51-200
13
201-500
5
501-1,000
1
1,001-5,000
1
5,001-10,000
1

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 212 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among environmental audit consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the Netherlands whose own description of what they do matches “environmental audit consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names environmental audit consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among environmental audit consulting firms, and records with no verified work email. Companies headquartered outside Netherlands are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,200 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names environmental audit consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many environmental audit consulting firms are there based in the Netherlands?

RevenueBase identified 212 environmental audit consulting firms headquartered in the Netherlands as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

ACT Group, headquartered in Amsterdam, tops this list with the largest team on record.

Which city has the most environmental audit consulting firms?

Amsterdam leads with 22 headquartered companies, followed by Rotterdam (13) and Deventer (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,200 verified decision-maker contacts tracked across these 212 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.