Company lists · Data refreshed November 2026

Top 25 Cleanroom consultants based in Germany

RevenueBase identified 192 company matches for cleanroom consultants associated with Germany as of November 2026 and tracks 2,926 professional contacts across them, including 1,558 with verified work emails. Berlin is the largest hub.

This list covers company matches for cleanroom consultants associated with Germany, 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
192Companies
2,926Contacts tracked
1,558Verified emails
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The 25 largest cleanroom consultants based in Germany

Ranked by team size
Top 25 of 192 company matches for cleanroom consultants based in Germany, 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 matchBillerbeck, GermanyHQ recorded Nov 6, 2026201-500111 contacts →

Exact match

“Franz Ziel GmbH stands for innovation, reliability and development in cleanroom technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFreiburg, GermanyHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“CRC Clean Room Consulting GmbH - Gesellschaft für Reinraumtechnik CRC – Your premium ENGINEERING partner EPCM for Wafer-Fabs and High-Tech Facilities Du hast Freude am HI-TEC…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMuggensturm, GermanyHQ recorded Nov 6, 2026201-50095 contacts →

Exact match

“Dastex Group is an international supplier of cleanroom apparel, cleaning materials, and consumables for contamination-controlled environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSoerup, GermanyHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“ATEC Pharmatechnik GmbH was founded in 1996 by four business partners in Harrislee near Flensburg.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNuremberg, GermanyHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“EXPERTS IN LIFE SCIENCE & CLEANROOMS Wir sind ein multidisziplinäres Team aus Spezialisten in der Planung und Realisierung anspruchsvoller Projekte der Life-Science-Industrie und…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchReiskirchen, GermanyHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Weiss Klimatechnik offers reliable climate solutions wherever people and machinery are challenged: in industrial production processes, hospitals, mobile operating tents or in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNeckartailfingen, GermanyHQ recorded Nov 6, 2026201-50066 contacts →

Exact match

“Since the company was founded in 1952 by Norbert Daldrop and Erwin Huber, we have been driven by a thirst for discovery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFrankfurt, GermanyHQ recorded Nov 6, 2026201-50047 contacts →

Exact match

“Als etabliertes Unternehmen im Bereich Luft- und Klimatechnik bietet etna Lösungen von einfachen Luft- und Klimatechnik-Anlagen für Dienstleistungs- und Industriebetriebe bis hin…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMücke, GermanyHQ recorded Nov 6, 2026201-50044 contacts →

Exact match

“Since 1988, MK Versuchsanlagen GmbH & Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEmmingen-liptingen, GermanyHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“CleanControlling stands for comprehensive services in the fields of technical, medical and environmental cleanliness for surfaces, materials and media.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRenningen, GermanyHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“Als namhaftes und international ausgerichtetes mittelständisches Unternehmen mit Hauptsitz in Renningen bei Stuttgart planen und realisieren wir moderne und leistungsfähige…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGeiselgasteig, GermanyHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“pure11 is a fast-growing supplier of cleanroom consumables in Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCoesfeld, GermanyHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“THESCON is a recognized consulting team for the pharmaceutical industry, wholesalers, medical devices, the chemical industry, biotechnology and food packaging, safety and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLederhose, GermanyHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“In der 1991 gegründeten mkf GmbH sind aus dem Sondermaschinenbau die Geschäftsfelder Automationslösungen, Produktionsservice sowie technische Sauberkeit und Reinraum entstanden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRiegel, GermanyHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“REHATEC ist eine unabhängige Beratungs- und Planungsgesellschaft für die technische Gebäudeausrüstung (TGA) und Gebäudeplanung, die sich auf den Bereich des Industrie- und…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWutöschingen, GermanyHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“We at Schilling Engineering GmbH support our customers in creating a process-safe cleanroom according to individual requirements - from the solution concept for particle-free…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchEssen, GermanyHQ recorded Nov 6, 2026201-50021 contacts →

Exact match

“INSTRUCLEAN is Germany's largest, independent service provider for the decontamination of medical devices.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRadolfzell, GermanyHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Highest performance in cleaning for Semiconductor Industries”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchFernwald-steinbach, GermanyHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“Mit über 40 Jahren Expertise sind wir ein erfahrener Partner in der Gebäude, Lüftungs, Klima- und Reinraumtechnik.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRadolfzell, GermanyHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Sauberkeit ist nicht immer nur eine Frage des guten Geschmacks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchStuttgart, GermanyHQ recorded Nov 6, 202651-20014 contacts →

Exact match

“Ob in Pharmaindustrie, Biotechnologie oder Medizintechnik, ob in Lebensmittelindustrie, Halbleiterfertigung, Mikroelektronik oder im Krankenhaus - Reinräume findet man überall.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchEschwege, GermanyHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Vielen Unternehmen ist nicht bewusst, dass durch Verschmutzungen in der Luft, Ihre komplette Elektronik beeinflusst werden kann.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBad Gandersheim, GermanyHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“GHK-DOMO GmbH is a construction company based out of 2 Darre, Bad Gandersheim, Germany.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHeuchelheim, GermanyHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“We offer customized cleanroom solutions as e.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchD-52477 Alsdorf Und Ch-4332 Stein, GermanyHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Die CRT Cleanroom-Technology Group ist neutraler Dienstleister für Betreiber von Reinräumen und Reinraumlieferanten und gehört zur Trescal Group.”

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

Showing 25 of 192 cleanroom consultants based in Germany

See the full list, filter by size, metro and specialty, and access 1,558 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cleanroom consultants based in Germany at a glance

As of Nov 6, 2026
53.2%Verified-email coverage
15.2Average contacts per company
11-50Median size (employees)
4.7%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
82
11-50
55
51-200
33
201-500
10
501-1,000
1
1,001-5,000
1

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 192 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 Germany whose business descriptions match “cleanroom 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 1,558 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 “cleanroom consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cleanroom consultants are there based in Germany?

RevenueBase identified 192 company matches for cleanroom consultants associated with Germany 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?

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

Which city has the most cleanroom consultants?

Berlin leads with 9 company records, followed by Dresden (5) and Braunschweig (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 1,558 professional contacts with verified work emails tracked across these 192 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.