Company lists · Data refreshed September 2026

Top 25 Energy conservation organizations based in Germany

RevenueBase identified 130 energy conservation organizations headquartered in Germany as of September 2026 and tracks 716 professional contacts across them, including 278 with verified work emails. Berlin is the largest hub.

This list covers energy conservation organizations 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 15, 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 15, 2026 86% judged on-target in blind review
130Companies
716Contacts tracked
278Verified emails
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The 25 largest energy conservation organizations based in Germany

Ranked by team size
Top 25 of 130 energy conservation organizations based in Germany, ranked by team size, largest first. Data refreshed Sep 15, 2026. RevenueBase Smart Search rates how each company's information relates to energy conservation organizations: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceMünchen, GermanyHQ checked Sep 15, 202651-200162 contacts →

Partial evidence

“At tado° we believe that unnecessarily wasting energy should be a thing of the past.”

Source: RevenueBase Database · checked Sep 15, 2026
2Indirect evidenceBerlin, GermanyHQ checked Sep 15, 202651-20049 contacts →

Indirect evidence

“Klimaschutz ist die größte Herausforderung unserer Zeit.”

Source: RevenueBase Database · checked Sep 15, 2026
3Partial evidenceBerlin, GermanyHQ checked Sep 15, 202651-20046 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 15, 2026
4Partial evidenceBerlin, GermanyHQ checked Sep 15, 202611-5035 contacts →

Partial evidence

“Die Berliner Energieagentur GmbH (BEA) ist ein modernes Energiedienstleistungsunternehmen.”

Source: RevenueBase Database · checked Sep 15, 2026
5Partial evidenceKöln, GermanyHQ checked Sep 15, 202611-5033 contacts →

Partial evidence

“Die Arbeitsgemeinschaft für sparsame Energie- und Wasserverwendung (ASEW) ist das Effizienz-Netzwerk für Stadtwerke.”

Source: RevenueBase Database · checked Sep 15, 2026
6Partial evidenceBerlin, GermanyHQ checked Sep 15, 202611-5028 contacts →

Partial evidence

“Die Deutsche Unternehmensinitiative Energieeffizienz e.”

Source: RevenueBase Database · checked Sep 15, 2026
7Partial evidenceBremen, GermanyHQ checked Sep 15, 202611-5022 contacts →

Partial evidence

energiekonsens is the not-for-profit and independent climate protection agency of the Land Bremen.”

Source: RevenueBase Database · checked Sep 15, 2026
8Partial evidenceHamburg, GermanyHQ checked Sep 15, 202611-5018 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 15, 2026
9Partial evidencePaderborn, GermanyHQ checked Sep 15, 202611-5012 contacts →

Partial evidence

“Menschen brauchen Energie.”

Source: RevenueBase Database · checked Sep 15, 2026
10Partial evidenceSachsenheim, GermanyHQ checked Sep 15, 2026201-50012 contacts →

Partial evidence

“Die N° SICHER für deine ENERGIE-ZUKUNFT Das ist unser Motto und gleichzeitig das Versprechen für jede:n, der oder die mit uns für die Energie-Revolution im Einsatz ist, sei es als…”

Source: RevenueBase Database · checked Sep 15, 2026
11Indirect evidenceDinslaken, GermanyHQ checked Sep 15, 202611-5010 contacts →

Indirect evidence

“Es war Mitte der Siebzigerjahre, als ITGB gegründet wurde.”

Source: RevenueBase Database · checked Sep 15, 2026
12Indirect evidenceMainz, GermanyHQ checked Sep 15, 202611-507 contacts →

Indirect evidence

“We make a significant contribution to maintaining the health of the population, actively protecting the environment and making industrial processes for this purpose…”

Source: RevenueBase Database · checked Sep 15, 2026
13Partial evidenceBad Mergentheim, GermanyHQ checked Sep 15, 202611-507 contacts →

Partial evidence

“Willkommen beim Energiebüro Jenninger aus Bad Mergentheim Seit mehr als fünf Jahren sind wir Ihr verlässlicher Partner für Energieeffizienz und Nachhaltigkeit.”

Source: RevenueBase Database · checked Sep 15, 2026
14Partial evidenceKleve, GermanyHQ checked Sep 15, 20261-105 contacts →

Partial evidence

Energieberatung für Wohngebäude | denkmalgeschützte Gebäude | Gewerbeimmobilien | die öffentliche Hand Schoofs ist die unabhängige Energieberatung am Niederrhein in Kleve.”

Source: RevenueBase Database · checked Sep 15, 2026
15Indirect evidenceBerlin, GermanyHQ checked Sep 15, 202611-505 contacts →

Indirect evidence

“Sie möchten Ihre Immobilie umfassend sanieren?”

Source: RevenueBase Database · checked Sep 15, 2026
16Partial evidenceHalle, GermanyHQ checked Sep 15, 20261-105 contacts →

Partial evidence

Energiekompetenz für mehr Effizienz”

Source: RevenueBase Database · checked Sep 15, 2026
17Partial evidenceAugsburg, GermanyHQ checked Sep 15, 20261-104 contacts →

Partial evidence

“EN+C Energie- und Nachhaltigkeitsberatung GmbH is a company based out of Augsburg, Germany.”

Source: RevenueBase Database · checked Sep 15, 2026
18Partial evidenceStuttgart, GermanyHQ checked Sep 15, 20261-104 contacts →

Partial evidence

“Ihre Individuelle Energieberatung und Partner bei der Umsetzung energetischer Maßnahmen an Ihrer Immobilie.”

Source: RevenueBase Database · checked Sep 15, 2026
19Partial evidenceDüsseldorf, GermanyHQ checked Sep 15, 202611-504 contacts →

Partial evidence

“Grün, grün, grün sind alle unsere Energielösungen.”

Source: RevenueBase Database · checked Sep 15, 2026
20Indirect evidenceWürzburg, GermanyHQ checked Sep 15, 20261-103 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 15, 2026
21Partial evidencePullach Im Isartal, GermanyHQ checked Sep 15, 20261-103 contacts →

Partial evidence

“Ihre Experten für Energieeffizienz, Architektur und Fördermittel”

Source: RevenueBase Database · checked Sep 15, 2026
22Partial evidenceOstercappeln, GermanyHQ checked Sep 15, 20261-103 contacts →

Partial evidence

“Die Wernergie ist Ihr Partner für Energieeffizienzberatung.”

Source: RevenueBase Database · checked Sep 15, 2026
23Partial evidenceWolfsburg, GermanyHQ checked Sep 15, 20261-103 contacts →

Partial evidence

“Wir bieten- Energieausweise - Energieberatung - Baubegleitung - Förderantragsstellung - Effizienzhausplanung - Handwerkervermittlung - Auditierung Unsere Kundschaft sind-…”

Source: RevenueBase Database · checked Sep 15, 2026
24Partial evidenceBisingen, GermanyHQ checked Sep 15, 20261-102 contacts →

Partial evidence

“Hersteller für Produkte zur Energie- und Ressourcenschonung.”

Source: RevenueBase Database · checked Sep 15, 2026
25Indirect evidenceRaben Steinfeld, GermanyHQ checked Sep 15, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 15, 2026

Showing 25 of 130 energy conservation organizations based in Germany

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Energy conservation organizations based in Germany at a glance

As of Sep 15, 2026
38.8%Verified-email coverage
5.5Average contacts per company
1-10Median size (employees)
6.9%Largest-city concentration · Berlin
Sep 15, 2026Page data refreshed

Companies by employee count

1-10
95
11-50
21
51-200
4
201-500
1
501-1,000
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 130 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 energy conservation organizations, 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 “energy conservation organizations”. 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 energy conservation organizations), 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 energy conservation organizations, 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, 278 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 15, 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 energy conservation organizations, 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 energy conservation organizations are there based in Germany?

RevenueBase identified 130 energy conservation organizations 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?

TADO, headquartered in Munchen, tops this list with the largest team on record.

Which city has the most energy conservation organizations?

Berlin leads with 9 headquartered companies, followed by Hamburg (7) and Heidelberg (5).

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 278 verified decision-maker contacts tracked across these 130 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 15, 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.