Company lists · Data refreshed September 2026
Top 25 Sustainable development consultancies based in Germany
RevenueBase identified 1,011 sustainable development consultancies headquartered in Germany as of September 2026 and tracks 17,149 professional contacts across them, including 6,306 with verified work emails. Berlin is the largest hub.
This list covers sustainable development consultancies 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 sustainable development consultancies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,632 contacts → | ||||
Indirect evidence “Roland Berger is the only leading global strategy consultancy of European origin.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,382 contacts → | ||||
Partial evidence “GFA Consulting Group is one of Europe's leading consulting firms in the field of international development cooperation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,279 contacts → | ||||
Indirect evidence “As a leading, independent engineering and consultancy enterprise active in the sectors of energy and infrastructure, Fichtner handles challenging projects in countries all over…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 702 contacts → | ||||
Indirect evidence “Die PD ist die Beratung / Für die öffentliche Hand von morgen / Seit 2008 beraten wir ausschließlich öffentliche Auftraggeber zu moderner Verwaltungsarbeit und…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 285 contacts → | ||||
Partial evidence “Welcome to H&Z We offer more than successful strategy development.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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. | |||||
| 7 | 269 contacts → | ||||
Partial evidence “adelphi consult is a leading independent consultancy specialising in climate, environment and development.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 269 contacts → | ||||
Indirect evidence “Von Planung bis Bauüberwachung in großen Infrastruktur-Projekten, von Architektur bis Erneuerbare Energien-ZETCON Ingenieure sind ganz vorne mit dabei in den Bereichen Energie…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 211 contacts → | ||||
Strong evidence “The German Institute of Development and Sustainability (IDOS) is a renowned research institute and influential think tank for global sustainable development.| Netiquette…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 200 contacts → | ||||
Partial evidence “Dorsch Impact GmbH is an independent and reliable consulting partner for international development cooperation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 152 contacts → | ||||
Indirect evidence “Wir erschaffen Zukunft – mit erneuerbaren Energien und innovativen Lösungen!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 147 contacts → | ||||
Indirect evidence “Wir sind ein führender europäischer Energie- und Nachhaltigkeitsberater in der Immobilienwirtschaft.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 137 contacts → | ||||
Partial evidence “Founded in 1980, IPC builds on a tremendous track record of successfully implemented projects and strong partnerships around the world with development and donor organizations as…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 114 contacts → | ||||
Indirect evidence “INTEGRATION is a consulting organization specialising in project management, with focus on developing countries and emerging markets.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 99 contacts → | ||||
Strong evidence “Unique is a leading consulting firm for sustainable forestry and agriculture, rural development and natural resource management.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 89 contacts → | ||||
Indirect evidence “ECO was founded by Dr.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 88 contacts → | ||||
Partial evidence “KODIAK's SERVICES: PROJECT DEVELOPMENT ADVISORY - Project development and strategic planning - Market advisory - Advisory in technology and location - Project governance and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 85 contacts → | ||||
Indirect evidence “Seit unterstützt die DFGE Unternehmen dabei, Nachhaltigkeit messbar und strategisch nutzbar zu machen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 78 contacts → | ||||
Partial evidence “Tilia is a French German services, co-development and consulting firm founded in 2009 by people with broad international experience and a common vision of the future of utilities…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 75 contacts → | ||||
Indirect evidence “EPOS Health Management merged with GOPA Worldwide Consultants GmbH on September 1st, 2020, and ceased operating.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 71 contacts → | ||||
Indirect evidence “enervis is a specialized management consultancy for the energy industry.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 70 contacts → | ||||
Indirect evidence “Vindelici Advisors is a strategic advisory firm and a responsible partner.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 69 contacts → | ||||
Indirect evidence “B.A.U.M.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 64 contacts → | ||||
Indirect evidence “Die TNL Umweltpanung ist als unabhängiges Netzwerk im Bereich Beratung und Umsetzung von Umweltfachplanungen bundesweit und im benachbarten Ausland tätig.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 63 contacts → | ||||
Indirect evidence “Perspectives drives climate action through leading research and supporting our clients' environmental ambitions.” 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: sustainable development consultancies. 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 sustainable development consultancies.
- Partial evidence
- Its own public description names part of sustainable development consultancies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name sustainable development consultancies. 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 1,011 sustainable development consultancies based in Germany
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 6,306 reachable decision-makers.
Free signup · no credit card
Sustainable development consultancies 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 1,011 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 sustainable development consultancies, 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 “sustainable development consultancies”. 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 sustainable development consultancies), 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 sustainable development consultancies, 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, 6,306 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.
Sustainable development consultancies by metro
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 sustainable development consultancies, 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 sustainable development consultancies are there based in Germany?
RevenueBase identified 1,011 sustainable development consultancies 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?
Roland Berger, headquartered in Munich, tops this list with the largest team on record.
Which city has the most sustainable development consultancies?
Berlin leads with 131 headquartered companies, followed by Hamburg (82) and Munich (67).
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 6,306 verified decision-maker contacts tracked across these 1,011 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 1,011 sustainable development consultancies based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Sustainable development consultancies by geography
- Sustainable development consultancies based in Buenos Aires, Argentina
- Sustainable development consultancies based in Adelaide, Australia
- Sustainable development consultancies based in Brisbane, Australia
- Sustainable development consultancies based in Melbourne, Australia
- Sustainable development consultancies based in Perth, Australia
- Sustainable development consultancies based in Sydney, Australia
- Sustainable development consultancies based in Vienna, Austria
- Sustainable development consultancies based in Brussels, Belgium
- Sustainable development consultancies based in Belo Horizonte, Brazil
- Sustainable development consultancies based in Campinas, Brazil
- Sustainable development consultancies based in Curitiba, Brazil
- Sustainable development consultancies based in Fortaleza, Brazil
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
- Sustainable development consultancies based in Buenos Aires, Argentina
- Sustainable development consultancies based in Adelaide, Australia
- Sustainable development consultancies based in Brisbane, Australia
- Sustainable development consultancies based in Melbourne, Australia
- Sustainable development consultancies based in Perth, Australia
- Sustainable development consultancies based in Sydney, Australia