Company lists · Data refreshed September 2026

Top 25 Industrial sustainability consultants based in Hamburg, Germany

Name: Industrial sustainability consultants based in Hamburg, Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 77 companies tracked

RevenueBase identified 77 company matches for industrial sustainability consultants associated with Hamburg, Germany as of September 2026 and tracks 552 professional contacts across them, including 227 with verified work emails. Across Germany, Berlin is the largest hub for this category (139 companies); Hamburg follows with 77.

This list covers company matches for industrial sustainability consultants associated with Hamburg, 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 September 17, 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 Sep 17, 2026 How this list was built

77Companies

552Contacts tracked

227Verified emails

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The 25 largest industrial sustainability consultants based in Hamburg, Germany

Ranked by team size

Top 25 of 77 company matches for industrial sustainability consultants based in Hamburg, Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Multiversum Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	48 contacts →
	Exact match “UNSER MULTIVERSUM Der Name Multiversum bezeichnet die Welten, die außerhalb der uns bekannten liegen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Systain Consulting	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	47 contacts →
	Exact match “As a management consultancy we have been tackling global challenges in environmental and human rights issues for over 20 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Averdung Ingenieure & Berater Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	51-200	41 contacts →
	Exact match “Als Problemlöser und Beschleuniger für die Energiewende leisten wir unseren Beitrag als kreativer und kompetenter Partner.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Circle	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	37 contacts →
	Exact match “Willkommen bei CIRCLE!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Ibak Hamburg Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “WIR SIND TEAM IBAK Seit gut 13 Jahren treiben wir mit Können und großer Begeisterung die Nachhaltigkeit im Bauwesen voran.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Envidatec	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “Consulting businesses on Energy Efficiency and Renewable Energy UN Sustainable Development Goals and International Cooperation Envidatec offers consulting services on all things…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	CBR Sustainability Partners	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “CBR Sustainability Partners is a pioneering consultancy dedicated to advancing green transition through technological innovation and sustainable practices across various…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Stakeholder Reporting	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1,001-5,000	15 contacts →
	Exact match “Gesellschaftlicher Wandel verlangt nach transformativen Unternehmen mit großem Innovationspotenzial, starker Kundenorientierung und der Fähigkeit zur effizienten Bereitstellung…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	E1 Management Consulting Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Die E1 Management Consulting GmbH mit Sitz in Hamburg ist eine auf die Energiewirtschaft spezialisierte deutsche Unternehmensberatung.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Nextra Consulting Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Transformation neu denken – strategisch.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	S&z	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “We are S&Z – Schlange, Zamostny & Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Green Growth Futura Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “Green Growth Futura ist ein auf Vermögensverwalter, Family Offices und Stiftungen spezialisiertes, unabhängiges Beratungsunternehmen für Sustainable Finance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	GMD	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	51-200	8 contacts →
	Exact match “Mit unseren 360°-Lösungen, smarten Produkten und Services sind wir deutschlandweit Partner für nachhaltigen Mehrwert im Praxisalltag.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Morgenwelt Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “MORGENWELT GmbH \| Nachhaltige Event- & Beratungsagentur Wir beweisen, dass Nachhaltigkeit und Event-Highlights kein Widerspruch sind.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Klima Kontor	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Klima Kontor - Atmosphäre schaffen Über uns: Klima Kontor ist ein führendes Architektur- und Ingenieurbüro, das sich auf nachhaltige und energieeffiziente Lösungen spezialisiert…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Five Glaciers Consulting	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Die Five Glaciers Consulting GmbH mit Sitz in Hamburg macht Nachhaltigkeit zum Schlüssel für langfristigen Unternehmenserfolg deutscher Mittelständler.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Applicatio Training & Management Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “APPLICATIO is an independent, international consulting company focused on assisting people, organisations and companies as well as networks and regions worldwide in their…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Elbe Energie Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Elbe Energie GmbH Energietechnik Energiehandel is a company based out of 14 Grimm, Hamburg, Germany.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Sumations Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “We are convinced by the principles of sustainability!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Bernd Eisfeld Unternehmensberatung Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “Wir sind ein unabhängiges und bundesweit tätiges Beratungsunternehmen, welches sich in 2006 aus einem Team von langjährig erfahrenen Mitarbeitern gegründet hat.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Greenfromwithin	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “GREENFROMWITHIN GmbH ist eine Beratungsagentur für Green Change.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Türck Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “THE GAME CHANGER COMPANY Unternehmensberatung im Bereich digitaler Transformation und Sustainability.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Esplanade Immobilien Beratung Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Wir freuen uns, dass Sie sich für unsere Dienstleistungen interessieren.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Baustudio 2punkt1 Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Eine ordentliche Hamburger Brise frischer Energie und Denkweisen in der Architektur.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Enmas Deutsche Servicegesellschaft FÜR Energiemanagement MBH	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	2 contacts →
	Exact match “Die EnMaS Deutsche Servicegesellschaft für Energiemanagement mbH ist spezialisiert auf Dienstleistungen rund um das Thema Energieeffizienz, Förderungen und erneuerbare Energien-…” Recorded in the RevenueBase company graph · Sep 17, 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 “industrial sustainability consultants”. 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 77 industrial sustainability consultants based in Hamburg, Germany

See the full list, filter by size, metro and specialty, and access 227 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial sustainability consultants based in Hamburg, Germany at a glance

As of Sep 17, 2026

41.1%Verified-email coverage

7.2Average contacts per company

1-10Median size (employees)

Sep 17, 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 across the whole Germany list rather than for Hamburg, so it is reported there. Company counts and contact totals on this page are exact for Hamburg, over 77 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 Hamburg, Germany whose business descriptions match “industrial sustainability 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 227 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 September 17, 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.

Industrial sustainability consultants by metro in Germany

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 “industrial sustainability consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial sustainability consultants are there based in Hamburg, Germany?

RevenueBase identified 77 company matches for industrial sustainability consultants associated with Hamburg, Germany as of September 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?

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

Which city in Germany has the most industrial sustainability consultants?

Berlin leads Germany with 139 company records, followed by Hamburg (77) and Munich (75).

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 227 professional contacts with verified work emails tracked across these 77 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 September 17, 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.