Company lists · Data refreshed September 2026
Top 25 Wetland consulting firms based in Germany
RevenueBase identified 143 wetland consulting firms headquartered in Germany as of September 2026 and tracks 1,181 professional contacts across them, including 459 with verified work emails. Berlin is the largest hub.
This list covers wetland consulting firms 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 29, 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.
The 25 largest wetland consulting firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 282 contacts → | ||||
Indirect evidence “GKW Consult GmbH, a company of GFA Group, has developed and implemented projects and advisory services for public and private clients for 70 years in more than 50 countries…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 61 contacts → | ||||
Indirect evidence “SCC is now part of Ramboll, a global architecture, engineering and consultancy company, creating sustainable solutions across energy, real estate, transport, water, waste…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 48 contacts → | ||||
Indirect evidence “WALD + CORBE hat sich zu einem namhaften Ingenieurbüro mit mehreren Standorten in den Bereichen Wasserwirtschaft, Wasserbau, Infrastruktur und Ökologie + Umwelt entwickelt.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 40 contacts → | ||||
Partial evidence “DFS is a German based consulting company specialized in natural resource management and in particular in forest sector development.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 21 contacts → | ||||
Indirect evidence “Seit fast 40 Jahren ist die IBL Umweltplanung GmbH mit Sitz in Oldenburg als Planungsbüro im Bereich Natur und Umwelt für nationale und internationale Auftraggeber tätig.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 20 contacts → | ||||
Indirect evidence “Die ahu GmbH in Aachen ist ein international tätiges Beratungs- und Planungsunternehmen für Wasser und Boden.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Indirect evidence “Die ARSU GmbH, mit Sitz in Oldenburg, bearbeitet seit mehr als 40 Jahren Planungs, Forschungs- und Umsetzungsprojekte mit einer großen inhaltlichen Bandbreite in den Bereichen…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 18 contacts → | ||||
Indirect evidence “Hydro-Ingenieure – Experten für Wasserwirtschaft & Siedlungswasserbau Seit über 40 Jahren planen und realisieren wir Projekte in der Wasserwirtschaft, Abwassertechnik und…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 17 contacts → | ||||
Indirect evidence “aquadrat ingenieure ist ein Planungsbüro für anspruchsvolle Projekte der Siedlungswasserwirtschaft.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 16 contacts → | ||||
Indirect evidence “Die GfBU-Consult ist im Bereich der Umwelt- und Genehmigungsdienstleistungen eines der führenden Beratungs- und Ingenieurbüros.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 15 contacts → | ||||
Indirect evidence “Wir sind ein mittelständisches sächsisches Unternehmen im Bereich der Umweltdienstleistungen mit seinem Hauptsitz in Dresden.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 14 contacts → | ||||
Indirect evidence “Durch unsere Präzision, Sorgfalt und Arbeitsqualität genießen wir das Vertrauen von Umwelt- und Naturschutzverbänden, von Politik und öffentlicher Verwaltung und von Unternehmen…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 14 contacts → | ||||
Indirect evidence “Geries Ingenieure Büro für Standorterkundung GmbH is a mechanical or industrial engineering company based out of Gleichen-Reinhausen, Germany.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 14 contacts → | ||||
Indirect evidence “Wir beraten bei Umwelt- und Wasserprojekten.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “GEOlogik Wilbers & Oeder is an environmental services company based out of 98 Feldstiege, Münster, North Rhine-Westphalia, Germany.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Partial evidence “Based in Hanover, Germany, aqua & waste International GmbH is an independent engineering and consulting company specializing in the field of environmental protection.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 12 contacts → | ||||
Indirect evidence “Prof.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 12 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 12 contacts → | ||||
Indirect evidence “Die MEP Plan GmbH wurde im Jahr 2012 gegründet.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “Seit 1992 unterstützen wir Sie in Naturschutz- und Umweltfragen bei der Realisierung Ihrer Projekte.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “An unseren Standorten in Berlin und Eching bündeln wir seit mehr als 25 Jahren, Expertise aus vier essenziellen Bereichen eines jeden Bauprojekts.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 contacts → | ||||
Indirect evidence “Sie benötigen Beratung oder Hilfe bei Fragestellungen aus dem Umweltbereich?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 10 contacts → | ||||
Partial evidence “Environmental consultancy at the interface between management consulting and technical/engineering consulting.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: wetland consulting firms. 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 wetland consulting firms.
- Partial evidence
- Its own public description names part of wetland consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name wetland consulting firms. 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 143 wetland consulting firms based in Germany
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 459 reachable decision-makers.
Free signup · no credit card
Wetland consulting firms based in Germany at a glance
As of Sep 29, 2026Companies by employee count
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 143 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 wetland 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 Germany whose own description of what they do matches “wetland 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 wetland 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 wetland consulting firms, 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, 459 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 29, 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 wetland 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 wetland consulting firms are there based in Germany?
RevenueBase identified 143 wetland consulting firms 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?
GKW Consult, headquartered in Mannheim, tops this list with the largest team on record.
Which city has the most wetland consulting firms?
Berlin leads with 8 headquartered companies, followed by Dresden (5) and Hamburg (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 459 verified decision-maker contacts tracked across these 143 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 143 wetland consulting firms based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Wetland consulting firms by geography
- Wetland consulting firms based in Brisbane, Australia
- Wetland consulting firms based in Melbourne, Australia
- Wetland consulting firms based in Belo Horizonte, Brazil
- Wetland consulting firms based in Campinas, Brazil
- Wetland consulting firms based in Curitiba, Brazil
- Wetland consulting firms based in Porto Alegre, Brazil
- Wetland consulting firms based in Rio De Janeiro, Brazil
- Wetland consulting firms based in Sao Paulo, Brazil
- Wetland consulting firms based in Calgary, Canada
- Wetland consulting firms based in Edmonton, Canada
- Wetland consulting firms based in Vancouver, Canada
- Wetland consulting firms based in Santiago, Chile
Browse the directory
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Wetland consulting firms based in Brisbane, Australia
- Wetland consulting firms based in Melbourne, Australia
- Wetland consulting firms based in Belo Horizonte, Brazil
- Wetland consulting firms based in Campinas, Brazil
- Wetland consulting firms based in Curitiba, Brazil
- Wetland consulting firms based in Porto Alegre, Brazil