Company lists · Data refreshed November 2026

Top 25 Water treatment consulting companies based in the Netherlands

Name: Water treatment consulting companies based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 3, 2026 164 companies tracked

RevenueBase identified 164 company matches for water treatment consulting companies associated with the Netherlands as of November 2026 and tracks 3,130 professional contacts across them, including 1,557 with verified work emails. Haarlem is the largest hub.

This list covers company matches for water treatment consulting companies 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 3, 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 3, 2026 How this list was built

164Companies

3,130Contacts tracked

1,557Verified emails

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The 25 largest water treatment consulting companies based in the Netherlands

Ranked by team size

Top 25 of 164 company matches for water treatment consulting companies based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Nijhuis Saur Industries	Exact match	Doetinchem, NetherlandsHQ recorded Nov 3, 2026	1,001-5,000	592 contacts →
	Exact match “Founded in 1904, Nijhuis Saur Industries provides solid and adaptive solutions for sustainable and resilient water use, energy- and resource recovery.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2	GMB	Exact match	Opheusden, NetherlandsHQ recorded Nov 3, 2026	501-1,000	464 contacts →
	Exact match “Al ruim een halve eeuw zetten we ons in voor duurzame oplossingen op het gebied van waterkwaliteit, waterveiligheid, bio-energie en industriële bouw en infra.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3	HET Waterlaboratorium	Exact match	Haarlem, NetherlandsHQ recorded Nov 3, 2026	51-200	109 contacts →
	Exact match “Het Waterlaboratorium is een zelfstandig opererend semipubliek bedrijf met drie sterke aandeelhouders: Dunea Duin en Water, PWN Waterleidingbedrijf Noord-Holland en Waternet…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4	WLN	Exact match	Glimmen, NetherlandsHQ recorded Nov 3, 2026	51-200	104 contacts →
	Exact match “WLN is een onafhankelijk partner in onderzoek en advies voor drink, industrie- en afvalwater.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5	Colubris	Exact match	Winterswijk, NetherlandsHQ recorded Nov 3, 2026	51-200	99 contacts →
	Exact match “Colubris is a specialist in innovative solutions for (waste)water treatment, waste separation and bioresources.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6	RWB Water	Exact match	Almelo, NetherlandsHQ recorded Nov 3, 2026	51-200	91 contacts →
	Exact match “RWB Water is a multidisciplinary organisation with extra know how in the field of water treatment.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7	Logisticon Water Treatment	Exact match	Groot-ammers, NetherlandsHQ recorded Nov 3, 2026	51-200	80 contacts →
	Exact match “Logisticon Water Treatment designs and constructs complete water treatment installations for the preparation of drinking and process water, and for the treatment of communal and…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8	Lenntech Water Treatment Solutions	Exact match	Delfgauw, NetherlandsHQ recorded Nov 3, 2026	51-200	73 contacts →
	Exact match “Lenntech Water Treatment Solutions, established in 1993, is a design and manufacturing company situated in The Netherlands, near the Technical University of Delft.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9	Eurofins C-Mark	Exact match	Deventer, NetherlandsHQ recorded Nov 3, 2026	51-200	71 contacts →
	Exact match “C mark is leading in research and consulting in the fields of water safety and water quality.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10	Nelen & Schuurmans	Exact match	Utrecht, NetherlandsHQ recorded Nov 3, 2026	51-200	67 contacts →
	Exact match “Nelen & Schuurmans is a water management consultancy & IT company.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11	Noardling	Exact match	Sneek, NetherlandsHQ recorded Nov 3, 2026	51-200	59 contacts →
	Exact match “Together, over 250 years of experience in moving and treating water.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12	Ovivo Holland	Exact match	Zoeterwoude, NetherlandsHQ recorded Nov 3, 2026	51-200	47 contacts →
	Exact match “Water is leven.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13	Jotem Water Solutions	Exact match	Vriezenveen, NetherlandsHQ recorded Nov 3, 2026	11-50	41 contacts →
	Exact match “Jotem Water Solutions levert de techniek en service om water met een specifieke samenstelling of van een gewenste kwaliteit te maken, al sinds 1965.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14	Bosman Watermanagement B.V	Exact match	Piershil, NetherlandsHQ recorded Nov 3, 2026	51-200	41 contacts →
	Exact match “For over 90 years Bosman Watermanagement has been recognized for it's expertise in water management; including wind watermills, small pumping units, large capacity pumping…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15	Spaans Babcock BV	Exact match	Balk, NetherlandsHQ recorded Nov 3, 2026	51-200	41 contacts →
	Exact match “Spaans Babcock has over 125 years of experience in designing and building Water and Wastewater treatment equipment and equipment for Hydropower plants.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16	VAM Watertech	Exact match	Borssele, NetherlandsHQ recorded Nov 3, 2026	11-50	35 contacts →
	Exact match “For over 20 years, VAM develops and delivers water treatment solutions for the Agro-industry.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17	Verhoeve	Exact match	Dordrecht, NetherlandsHQ recorded Nov 3, 2026	51-200	30 contacts →
	Exact match “Verhoeve Nederland BV is specialized in solving soil & water problems for public and private clients.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18	Econvert Water & Energy B.V	Exact match	Heerenveen, NetherlandsHQ recorded Nov 3, 2026	51-200	26 contacts →
	Exact match “Econvert designs and implements technology for the treatment of industrial wastewater & biogas.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19	Pureblue Water	Exact match	Kapellebrug, NetherlandsHQ recorded Nov 3, 2026	11-50	26 contacts →
	Exact match “Wastewater treatment \| Water production & reuse \| Sustainable solutions \| Dedicated operations & service \| PureBlue Water is your sustainable and committed partner for…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20	Waterstromen B.V	Exact match	Lochem, NetherlandsHQ recorded Nov 3, 2026	11-50	23 contacts →
	Exact match “Waterstromen haalt alles uit uw water!” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21	Aquacare Europe B.V	Exact match	's-hertogenbosch, NetherlandsHQ recorded Nov 3, 2026	11-50	18 contacts →
	Exact match “Aquacare ontwerpt, bouwt, implementeert en onderhoudt systemen voor waterbehandeling.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22	BWT Nederland B.V	Exact match	Waddinxveen, NetherlandsHQ recorded Nov 3, 2026	11-50	18 contacts →
	Exact match “Europees marktleider in watertechnologie.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23	Boshuis Thuis In Water	Exact match	Vuren, NetherlandsHQ recorded Nov 3, 2026	11-50	17 contacts →
	Exact match “Boshuis is producent en leverancier van waterontharders.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24	Pielkenrood Industries	Exact match	Heerhugowaard, NetherlandsHQ recorded Nov 3, 2026	11-50	17 contacts →
	Exact match “At Pielkenrood, we specialize in designing and building complex systems, from refineries and crude oil processing facilities to water treatment plants.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25	Dutch Clean Tech	Exact match	Heerhugowaard, NetherlandsHQ recorded Nov 3, 2026	11-50	16 contacts →
	Exact match “We have been at the forefront of innovation for decades, providing advanced water and wastewater treatment solutions that help industries protect natural resources and achieve…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “water treatment consulting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 164 water treatment consulting companies based in the Netherlands

See the full list, filter by size, metro and specialty, and access 1,557 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water treatment consulting companies based in the Netherlands at a glance

As of Nov 3, 2026

49.7%Verified-email coverage

19.1Average contacts per company

1-10Median size (employees)

3.7%Largest-city concentration · Haarlem

Nov 3, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

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 164 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 “water treatment consulting 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. 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 1,557 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 3, 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 “water treatment consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water treatment consulting companies are there based in the Netherlands?

RevenueBase identified 164 company matches for water treatment consulting companies 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?

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

Which city has the most water treatment consulting companies?

Haarlem leads with 6 company records, followed by Amsterdam (4) and Rotterdam (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 1,557 professional contacts with verified work emails tracked across these 164 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 3, 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.