Company lists · Data refreshed September 2026

Top 25 Water quality consultants based in Germany

Name: Water quality consultants based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 147 companies tracked

RevenueBase identified 147 water quality consultants headquartered in Germany as of September 2026 and tracks 939 professional contacts across them, including 248 with verified work emails. Berlin is the largest hub.

This list covers water quality consultants headquartered in Germany, 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 22, 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 22, 2026 86% judged on-target in blind review

147Companies

939Contacts tracked

248Verified emails

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The 25 largest water quality consultants based in Germany

Ranked by team size

Top 25 of 147 water quality consultants based in Germany, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to water quality consultants: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	BWT Wassertechnik Gmbh	Indirect evidence	Schriesheim, GermanyHQ checked Sep 22, 2026	201-500	115 contacts →
	Indirect evidence “Wasser ist nicht nur eine kostbare Lebensressource, sondern auch eine der großen Herausforderungen dieses Jahrhunderts.” Source: RevenueBase Database · checked Sep 22, 2026
2	Bauer Resources Gmbh	Indirect evidence	Schrobenhausen, GermanyHQ checked Sep 22, 2026	1,001-5,000	59 contacts →
	Indirect evidence “Die BAUER Resources GmbH ist der Geschäftsbereich für Umweltdienstleistungen der BAUER Gruppe mit Sitz in Schrobenhausen.” Source: RevenueBase Database · checked Sep 22, 2026
3	Invent Umwelt- UND Verfahrenstechnik AG	Partial evidence	Erlangen, GermanyHQ checked Sep 22, 2026	51-200	45 contacts →
	Partial evidence “INVENT Umwelt- und Verfahrenstechnik AG - Leaders in mixing and aeration Water is the origin and source of all life.” Source: RevenueBase Database · checked Sep 22, 2026
4	Water Treatment Systems	Partial evidence	Kettenbach, GermanyHQ checked Sep 22, 2026	201-500	39 contacts →
	Partial evidence “Water Treatment’s product portfolio covers a range of water and waste water treatment processes with a focus on headworks, mechanical treatment and biological solutions deployed…” Source: RevenueBase Database · checked Sep 22, 2026
5	Envirodts Gmbh	Indirect evidence	Friedberg (hessen), GermanyHQ checked Sep 22, 2026	51-200	29 contacts →
	Indirect evidence “Anlagenbau für Wasser- und Abwassertechnik Labore / Institute / Krankenhäuser und Industrie EnviroDTS ist spezialisiert auf die komplette Abwasseraufbereitung und…” Source: RevenueBase Database · checked Sep 22, 2026
6	LGBA	Indirect evidence	Hockenheim, GermanyHQ checked Sep 22, 2026	51-200	22 contacts →
	Indirect evidence “Wer wir sind?” Source: RevenueBase Database · checked Sep 22, 2026
7	Diwa Gruppe	Indirect evidence	Rohrdorf, GermanyHQ checked Sep 22, 2026	51-200	21 contacts →
	Indirect evidence “Perfekter Service: Ganz auf Ihre Bedürfnisse zugeschnitten Das Dienstleistungsangebot der DIWA-Analytik umfasst alle Punkte der rechtskonformen Umsetzung der Trinkwasserverordnung.” Source: RevenueBase Database · checked Sep 22, 2026
8	Aqua Consult Ingenieur Gmbh	Indirect evidence	Hannover, GermanyHQ checked Sep 22, 2026	51-200	20 contacts →
	Indirect evidence “Auf den Punkt perfekt: unsere Lösungen Seit gut 50 Jahren arbeiten wir als Experten für Wasserwirtschaft und Umwelttechnik.” Source: RevenueBase Database · checked Sep 22, 2026
9	Xylem Water Solutions Herford Gmbh	Indirect evidence	Herford, GermanyHQ checked Sep 22, 2026	11-50	19 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026
10	Domatec Gmbh	Indirect evidence	Mühldorf A. Inn, GermanyHQ checked Sep 22, 2026	51-200	18 contacts →
	Indirect evidence “domatec GmbH is an accredited testing laboratory in accordance with DIN EN ISO/IEC 17025:2018 and an approved testing centre in accordance with Section 40 of the German Drinking…” Source: RevenueBase Database · checked Sep 22, 2026
11	Joswig Ingenieure Gmbh	Indirect evidence	Karlsruhe, GermanyHQ checked Sep 22, 2026	11-50	14 contacts →
	Indirect evidence “Wir beraten bei Umwelt- und Wasserprojekten.” Source: RevenueBase Database · checked Sep 22, 2026
12	AKS Aqua	Indirect evidence	Frankfurt (oder) (frankfurt), GermanyHQ checked Sep 22, 2026	11-50	11 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026
13	Aquabench Gmbh	Partial evidence	Hamburg, GermanyHQ checked Sep 22, 2026	11-50	10 contacts →
	Partial evidence “Die aquabench steht Unternehmen und Werken bei Fragen nach Qualität, Wirtschaftlichkeit und Nachhaltigkeit in der Wasserwirtschaft zur Seite.” Source: RevenueBase Database · checked Sep 22, 2026
14	ZWT Wasser-Und Abwassertechnik Gmbh	Indirect evidence	Bayreuth, GermanyHQ checked Sep 22, 2026	51-200	10 contacts →
	Indirect evidence “Zuverlässige wegweisende Technik Seit 25 Jahren sind wir zuverlässiger Partner der Kommunen, Zweckverbände und Industrie wenn es um wirtschaftliche Lösungen in der Wasser- und…” Source: RevenueBase Database · checked Sep 22, 2026
15	Bremer PRO Aqua Wasser- UND Abwassertechnik Gmbh	Indirect evidence	Bremen, GermanyHQ checked Sep 22, 2026	11-50	8 contacts →
	Indirect evidence “Die Bremer pro aqua Wasser- und Abwasser GmbH arbeitet mit einem seit Jahren eingespielten Team aus hochqualifizierten und erfahrenen Ingenieuren, Technikern und Monteuren.” Source: RevenueBase Database · checked Sep 22, 2026
16	Aquadetox International Gmbh	Indirect evidence	Aichstetten, GermanyHQ checked Sep 22, 2026	11-50	8 contacts →
	Indirect evidence “Seit über 15 Jahren setzen unsere Systeme Maßstäbe bei der Schonung dieser natürlicher Ressource.” Source: RevenueBase Database · checked Sep 22, 2026
17	Base Technologies Gmbh	Indirect evidence	München, GermanyHQ checked Sep 22, 2026	11-50	8 contacts →
	Indirect evidence “Die BASE TECHNOLOGIES GmbH ist seit über 20 Jahren aktiv für Nachhaltigkeit und Transformation.” Source: RevenueBase Database · checked Sep 22, 2026
18	Leyco Wassertechnik Gmbh	Partial evidence	Föritztal, GermanyHQ checked Sep 22, 2026	11-50	8 contacts →
	Partial evidence “The service portfolio ranges from the design, construction and maintenance of complete water treatment plants for industry and commerce to the sale of individual components of…” Source: RevenueBase Database · checked Sep 22, 2026
19	Aluta Wärmetechnik Gmbh	Indirect evidence	Berlin, GermanyHQ checked Sep 22, 2026	11-50	8 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026
20	Iwat Gmbh	Partial evidence	Hebertshausen, GermanyHQ checked Sep 22, 2026	11-50	7 contacts →
	Partial evidence “We make industrial water treatment more efficient, more sustainable and more reliable.” Source: RevenueBase Database · checked Sep 22, 2026
21	Aqua Plus Wasser- UND Recyclingsysteme Gmbh	Indirect evidence	Böbingen An Der Rems, GermanyHQ checked Sep 22, 2026	11-50	7 contacts →
	Indirect evidence “Die aqua plus Wasser- und Recyclingsysteme GmbH mit Sitz in Böbingen an der Rems (Deutschland) ist ein dynamisches, innovatives Unternehmen im Bereich industriellen Wasser- und…” Source: RevenueBase Database · checked Sep 22, 2026
22	Hydor Consult Gmbh	Indirect evidence	Berlin, GermanyHQ checked Sep 22, 2026	1-10	7 contacts →
	Indirect evidence “Die HYDOR Consult GmbH bietet seit zwanzig Jahren unabhängige Planungs- und Beratungsleis-tungen am Standort Am Borsigturm in Berlin-Tegel in folgenden Bereichen…” Source: RevenueBase Database · checked Sep 22, 2026
23	Ingenieurbüro Achten UND Jansen Gmbh	Indirect evidence	Aachen, GermanyHQ checked Sep 22, 2026	11-50	6 contacts →
	Indirect evidence “Die Siedlungswasserwirtschaft mit der Wasserversorgung, der Abwasserableitung und Abwasserbehandlung, der konstruktive Wasserbau mit Hochwasserschutz und Gewässerausbau, der…” Source: RevenueBase Database · checked Sep 22, 2026
24	Lubron Wasseraufbereitung Gmbh	Indirect evidence	Freiberg Am Neckar, GermanyHQ checked Sep 22, 2026	11-50	6 contacts →
	Indirect evidence “Wir bieten Ihnen eine umfassende Palette modernster Wasseraufbereitungstechniken, beraten Sie bei Planung und Einsatz der Verfahren.” Source: RevenueBase Database · checked Sep 22, 2026
25	Institut Dr. Nuss	Indirect evidence	Bad Kissingen, GermanyHQ checked Sep 22, 2026	51-200	6 contacts →
	Indirect evidence “Wir sind ein nach DIN EN ISO/IEC 17025 akkreditiertes Prüflaboratorium mit Sitz im unterfränkischen Kurort Bad Kissingen.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: water quality consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names water quality consultants.
Partial evidence: Its own public description names part of water quality consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name water quality consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 147 water quality consultants based in Germany

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Water quality consultants based in Germany at a glance

As of Sep 22, 2026

26.4%Verified-email coverage

6.4Average contacts per company

11-50Median size (employees)

4.1%Largest-city concentration · Berlin

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 147 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 water quality consultants, 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 Germany whose own description of what they do matches “water quality consultants”. 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 water quality consultants), 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 water quality consultants, and records with no verified work email. Companies headquartered outside Germany 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, 248 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 22, 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 water quality consultants, 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 water quality consultants are there based in Germany?

RevenueBase identified 147 water quality consultants headquartered in Germany 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?

BWT Wassertechnik Gmbh, headquartered in Schriesheim, tops this list with the largest team on record.

Which city has the most water quality consultants?

Berlin leads with 6 headquartered companies, followed by Hamburg (5) and Munchen (4).

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 248 verified decision-maker contacts tracked across these 147 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 22, 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.