Company lists · Data refreshed September 2026

Top 25 Iso 50001 energy management consultants based in Germany

Name: Iso 50001 energy management consultants based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 358 companies tracked

RevenueBase identified 358 iso 50001 energy management consultants headquartered in Germany as of September 2026 and tracks 1,557 professional contacts across them, including 663 with verified work emails. Berlin is the largest hub.

This list covers iso 50001 energy management 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 28, 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 28, 2026 86% judged on-target in blind review

358Companies

1,557Contacts tracked

663Verified emails

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The 25 largest iso 50001 energy management consultants based in Germany

Ranked by team size

Top 25 of 358 iso 50001 energy management consultants based in Germany, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to iso 50001 energy management 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	BET Consulting Gmbh	Partial evidence	Aachen, GermanyHQ checked Sep 28, 2026	51-200	112 contacts →
	Partial evidence “As pioneers and experts, BET shapes the energy landscape of tomorrow.” Source: RevenueBase Database · checked Sep 28, 2026
2	Korn Consult Group	Partial evidence	Aschaffenburg, GermanyHQ checked Sep 28, 2026	51-200	98 contacts →
	Partial evidence “Management Consulting • Business processes auditing and optimization • Consulting regarding resources management • Strategy & objective development • Outsourcing/Offshoring •…” Source: RevenueBase Database · checked Sep 28, 2026
3	Rücker Schindele Beratende Ingenieure	Partial evidence	München, GermanyHQ checked Sep 28, 2026	51-200	78 contacts →
	Partial evidence “Kompetenz in Engineering Engagierte Profis für alle Ingenieurdienstleistungen auf dem Gebiet der Technischen Ausrüstung in unseren Geschäftsbereichen Energie und Umwelt, Gebäude…” Source: RevenueBase Database · checked Sep 28, 2026
4	Enervis Energy Advisors Gmbh	Strong evidence	Berlin, GermanyHQ checked Sep 28, 2026	51-200	71 contacts →
	Strong evidence “enervis is a specialized management consultancy for the energy industry.” Source: RevenueBase Database · checked Sep 28, 2026
5	Wolff & Müller Energy Gmbh	Partial evidence	Ludwigsburg, GermanyHQ checked Sep 28, 2026	51-200	49 contacts →
	Partial evidence “WOLFF & MÜLLER ENERGY GMBH ist Teil der traditionsreichen Unternehmensgruppe WOLFF & MÜLLER, einem mittelständischen Familienunternehmen mit Stammsitz in Stuttgart.” Source: RevenueBase Database · checked Sep 28, 2026
6	Ökotec Energiemanagement Gmbh	Partial evidence	Berlin, GermanyHQ checked Sep 28, 2026	51-200	46 contacts →
	Partial evidence “Since its founding 20 years ago, ÖKOTEC stands for intelligent solutions for the reduction of energy and resource consumption.” Source: RevenueBase Database · checked Sep 28, 2026
7	EEP Energieconsulting Gmbh	Strong evidence	München, GermanyHQ checked Sep 28, 2026	11-50	25 contacts →
	Strong evidence “EEP Energieconsulting GmbH is a management consulting Company.” Source: RevenueBase Database · checked Sep 28, 2026
8	TLK Energy	Partial evidence	Aachen, GermanyHQ checked Sep 28, 2026	11-50	23 contacts →
	Partial evidence “Energy consulting for industry and engineering for thermal, process, and energy systems – solving complex challenges and maximizing efficiency through simulation, thermodynamics…” Source: RevenueBase Database · checked Sep 28, 2026
9	Encadi Gmbh	Partial evidence	Münster, GermanyHQ checked Sep 28, 2026	11-50	21 contacts →
	Partial evidence “Sind Ihnen Ihre Energiekosten ein Dorn im Auge?” Source: RevenueBase Database · checked Sep 28, 2026
10	M.S.S. Group	Partial evidence	Laberweinting, GermanyHQ checked Sep 28, 2026	1-10	21 contacts →
	Partial evidence “Beratung, Trainings und Audits in Zusammenhang mit Managementsystemen (weltweit)” Source: RevenueBase Database · checked Sep 28, 2026
11	Etanomics Service Gmbh	Indirect evidence	Neu-isenburg, GermanyHQ checked Sep 28, 2026	11-50	20 contacts →
	Indirect evidence “Die Etanomics Service GmbH wurde gegründet aus dem Nachhaltigkeitsprojekt „Effizienz Plus" der Viessmann Group: Mit unserer Hilfe wurde der Verbrauch von Öl und Gas um 60 Prozent…” Source: RevenueBase Database · checked Sep 28, 2026
12	Arqus Ingenieurbüro Gmbh & Co. KG	Strong evidence	Schmallenberg - Westfeld, GermanyHQ checked Sep 28, 2026	11-50	19 contacts →
	Strong evidence “Ingenieurbüro für integrierte Managementsysteme, Nachhaltigkeitsmanagement, Energiemanagement, Umweltschutz, Arbeitssicherheit, Brandschutzberatung, Schulungsakademie, uvm.” Source: RevenueBase Database · checked Sep 28, 2026
13	Decura Consulting Group Gmbh	Indirect evidence	München, GermanyHQ checked Sep 28, 2026	11-50	19 contacts →
	Indirect evidence “Die DECURA Gruppe wurde bereits 1996 gegründet und unterstützt seitdem mehr als 100 Unternehmen in 13 Ländern auf vier Kontinenten.” Source: RevenueBase Database · checked Sep 28, 2026
14	Envidatec	Partial evidence	Hamburg, GermanyHQ checked Sep 28, 2026	11-50	18 contacts →
	Partial evidence “Consulting businesses on Energy Efficiency and Renewable Energy UN Sustainable Development Goals and International Cooperation Envidatec offers consulting services on all things…” Source: RevenueBase Database · checked Sep 28, 2026
15	Encore Efficiency SE	Partial evidence	Osnabrück, GermanyHQ checked Sep 28, 2026	11-50	16 contacts →
	Partial evidence “We take responsibility for the efficiency of energy supply for the entire life cycle of a project.” Source: RevenueBase Database · checked Sep 28, 2026
16	Energieberater IM Land Brandenburg Gmbh	Partial evidence	Potsdam, GermanyHQ checked Sep 28, 2026	11-50	15 contacts →
	Partial evidence “Als Energieberater decken wir alle Aspekte deines Bauvorhabens ab, von der Planung bis hin zur Inbetriebnahme sowie dem Nachtrags- und Mängelmanagement.” Source: RevenueBase Database · checked Sep 28, 2026
17	En-Concept Energy Consultancy Gmbh	Strong evidence	Offenburg, GermanyHQ checked Sep 28, 2026	11-50	15 contacts →
	Strong evidence “En-Concept Energy Consultancy GmbH – Ihr Partner für nachhaltiges Energiemanagement Die En-Concept Energy Consultancy GmbH unterstützt Unternehmen aller Branchen und…” Source: RevenueBase Database · checked Sep 28, 2026
18	E1 Management Consulting Gmbh	Strong evidence	Hamburg, GermanyHQ checked Sep 28, 2026	11-50	14 contacts →
	Strong evidence “Die E1 Management Consulting GmbH mit Sitz in Hamburg ist eine auf die Energiewirtschaft spezialisierte deutsche Unternehmensberatung.” Source: RevenueBase Database · checked Sep 28, 2026
19	Proterra Umweltschutz- UND Managementberatung Gmbh Umweltgutachter	Partial evidence	Sulzbach, GermanyHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “Willkommen bei der proTerra Umweltschutz- und Managementberatung GmbH Umweltgutachter, Ihrem vertrauenswürdigen Begleiter für Industrie- und Gewerbeunternehmen.” Source: RevenueBase Database · checked Sep 28, 2026
20	Werk.E Energie-Effizienz-Beratung	Partial evidence	Paderborn, GermanyHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “Menschen brauchen Energie.” Source: RevenueBase Database · checked Sep 28, 2026
21	First Energy Gmbh	Partial evidence	Kaufungen, GermanyHQ checked Sep 28, 2026	11-50	11 contacts →
	Partial evidence “Seit über 20 Jahren unterstützen wir Unternehmen und Kommunen, damit ihr EnergieEinkauf besser, ihr EnergieManagement strukturierter, ihre administrativen Energiethemen einfacher…” Source: RevenueBase Database · checked Sep 28, 2026
22	Uniconsult Gmbh	Partial evidence	Hannover, GermanyHQ checked Sep 28, 2026	11-50	11 contacts →
	Partial evidence “Die uniconsult Ingenieur- & Unternehmensberatungsgesellschaft mbH mit Sitz in Hannover ist ein etabliertes Beratungsunternehmen mit den Geschäftsfeldern- Management und…” Source: RevenueBase Database · checked Sep 28, 2026
23	Innovakom Gmbh	Partial evidence	Paderborn, GermanyHQ checked Sep 28, 2026	11-50	10 contacts →
	Partial evidence “Die InnovaKom GmbH bietet seit 2001 privaten und öffentlichen Unternehmen aller Branchen Unterstützung bei der Erarbeitung und Betreuung individueller Managementsysteme sowie der…” Source: RevenueBase Database · checked Sep 28, 2026
24	Energiekosten 360 Gmbh	Partial evidence	Bad Vilbel, GermanyHQ checked Sep 28, 2026	1-10	10 contacts →
	Partial evidence “Die Energiekosten 360 GmbH unterstützt energieintensive Unternehmen bei allen Fragen rund um das Thema Energiekostenmanagement.” Source: RevenueBase Database · checked Sep 28, 2026
25	Autensys Gmbh	Indirect evidence	Karlsruhe, GermanyHQ checked Sep 28, 2026	11-50	9 contacts →
	Indirect evidence “Ganzheitlich, nachhaltig und wirtschaftlich.” Source: RevenueBase Database · checked Sep 28, 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: iso 50001 energy management 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 iso 50001 energy management consultants.
Partial evidence: Its own public description names part of iso 50001 energy management consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name iso 50001 energy management 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 358 iso 50001 energy management consultants based in Germany

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Iso 50001 energy management consultants based in Germany at a glance

As of Sep 28, 2026

42.6%Verified-email coverage

4.3Average contacts per company

1-10Median size (employees)

6.4%Largest-city concentration · Berlin

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

259

11-50

51-200

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 358 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 iso 50001 energy management 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 “iso 50001 energy management 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 iso 50001 energy management 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 iso 50001 energy management 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, 663 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 28, 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 iso 50001 energy management 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 iso 50001 energy management consultants are there based in Germany?

RevenueBase identified 358 iso 50001 energy management 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?

BET Consulting Gmbh, headquartered in Aachen, tops this list with the largest team on record.

Which city has the most iso 50001 energy management consultants?

Berlin leads with 23 headquartered companies, followed by Hamburg (13) and Stuttgart (9).

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 663 verified decision-maker contacts tracked across these 358 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 28, 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.