Company lists · Data refreshed September 2026

Top 25 Energy engineering firms based in Germany

RevenueBase identified 1,598 energy engineering firms headquartered in Germany as of September 2026 and tracks 12,001 professional contacts across them, including 2,993 with verified work emails. Berlin is the largest hub.

This list covers energy engineering 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 16, 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 16, 2026 86% judged on-target in blind review
1,598Companies
12,001Contacts tracked
2,993Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy engineering firms based in Germany

Ranked by team size
Top 25 of 1,598 energy engineering firms based in Germany, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to energy engineering firms: 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
1Strong evidenceStuttgart, GermanyHQ checked Sep 16, 2026201-500225 contacts →

Strong evidence

“Structural Consulting Engineers Consulting Engineers for Renewable Energy and Solar Power Technology Checking Engineers for Stability und Structural Engineering Our focus lies on…”

Source: RevenueBase Database · checked Sep 16, 2026
2Partial evidenceOberhausen, GermanyHQ checked Sep 16, 2026501-1,000195 contacts →

Partial evidence

“Partner for the energy Industry Bilfinger has successfully supported and advised customers from the energy industry for decades.”

Source: RevenueBase Database · checked Sep 16, 2026
3Indirect evidenceGummersbach, GermanyHQ checked Sep 16, 202651-200120 contacts →

Indirect evidence

“We are part of the Japanese IHI Corporation, a globally operating group with approx.”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceMannheim, GermanyHQ checked Sep 16, 2026201-50092 contacts →

Partial evidence

“MVV Enamic bietet als B2B-Lösungseinheit der MVV Energie AG Geschäftskunden ganzheitliche Energielösungen aus einer Hand.”

Source: RevenueBase Database · checked Sep 16, 2026
5Indirect evidenceFilderstadt, GermanyHQ checked Sep 16, 2026201-50087 contacts →

Indirect evidence

“Die Müller Bleher Group ist ein seit über 30 Jahren bestehendes und erfolgreiches Ingenieurbüro für die elektrotechnische Gebäudeausrüstung.”

Source: RevenueBase Database · checked Sep 16, 2026
6Partial evidenceBerlin, GermanyHQ checked Sep 16, 202651-20082 contacts →

Partial evidence

“Die BLS Energieplan GmbH wurde 1984 gegründet und hat ihr Portfolio an Ingenieurdienstleistungen seither kontinuierlich erweitert.”

Source: RevenueBase Database · checked Sep 16, 2026
7Indirect evidenceHamburg, GermanyHQ checked Sep 16, 202651-20070 contacts →

Indirect evidence

“We are visionaries and engineers, generalists and specialists.”

Source: RevenueBase Database · checked Sep 16, 2026
8Indirect evidenceBoblingen, GermanyHQ checked Sep 16, 202651-20061 contacts →

Indirect evidence

“FACT.”

Source: RevenueBase Database · checked Sep 16, 2026
9Partial evidenceNorderstedt, GermanyHQ checked Sep 16, 202651-20058 contacts →

Partial evidence

“Assmann Emutec ist ein Unternehmen des BKW Engineering - Network of Excellence® – dem größten Engineering Netzwerk im deutschsprachigen Raum.”

Source: RevenueBase Database · checked Sep 16, 2026
10Partial evidenceTriberg, GermanyHQ checked Sep 16, 2026201-50057 contacts →

Partial evidence

“Mit ihrer hohen Innovationskraft erzielt die EGT seit über 115 Jahren große Erfolge im Energievertrieb, der Energieversorgung sowie im Elektrotechnischen Anlagenbau.”

Source: RevenueBase Database · checked Sep 16, 2026
11Partial evidenceMannheim, GermanyHQ checked Sep 16, 202651-20057 contacts →

Partial evidence

“Das BFE Institut für Energie und Umwelt GmbH ist ein Unternehmen der MVV Energie AG und zählt mit über Projekten und ca.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceHürth, GermanyHQ checked Sep 16, 202651-20057 contacts →

Indirect evidence

“Die Dienstleistungen der envistra GmbH zielen auf eine schnelle und langfristige Kostenreduktion und leisten einen wesentlichen Beitrag zu einer nachhaltigen…”

Source: RevenueBase Database · checked Sep 16, 2026
13Partial evidenceLudwigsburg, GermanyHQ checked Sep 16, 202651-20049 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 16, 2026
14Partial evidenceLilienthal, GermanyHQ checked Sep 16, 202651-20049 contacts →

Partial evidence

“ö ü –, Als unabhängiges ü ü entwickeln wir innovative Lösungen für eine sichere und wirtschaftliche Energie- und Wasserversorgung.”

Source: RevenueBase Database · checked Sep 16, 2026
15Partial evidenceMemmingen, GermanyHQ checked Sep 16, 202651-20047 contacts →

Partial evidence

“e-con AG Die e-con AG ist seit 20 Jahren im Einsatz für erneuerbare Energien und versteht sich als Partner für die Energiewende.”

Source: RevenueBase Database · checked Sep 16, 2026
16Partial evidenceBerlin, GermanyHQ checked Sep 16, 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 16, 2026
17Partial evidenceStuttgart, GermanyHQ checked Sep 16, 202651-20045 contacts →

Partial evidence

“Wir entwickeln energieeffiziente Gebäude und klimaneutrale Quartiere für die Zukunft.”

Source: RevenueBase Database · checked Sep 16, 2026
18Partial evidenceKempten (allgäu), GermanyHQ checked Sep 16, 2026201-50045 contacts →

Partial evidence

ENERGIE IN VIELEN FACETTEN PRÄG berät seine Kunden in allen Energiefragen und deckt die gesamte Bandbreite des Energiebedarfs ab: von der Mobilität, über die Wärmeversorgung, bis…”

Source: RevenueBase Database · checked Sep 16, 2026
19Indirect evidenceEssen, GermanyHQ checked Sep 16, 202651-20045 contacts →

Indirect evidence

“Heitkamp blickt auf mehr als 130 Jahre Bautradition zurück.”

Source: RevenueBase Database · checked Sep 16, 2026
20Partial evidenceMünchen, GermanyHQ checked Sep 16, 202651-20044 contacts →

Partial evidence

“Die TEAM FÜR TECHNIK GmbH ist eine der innovativsten Ingenieurgesellschaften für Energie- und Versorgungstechnik.”

Source: RevenueBase Database · checked Sep 16, 2026
21Partial evidenceBerlin-mitte, GermanyHQ checked Sep 16, 202611-5044 contacts →

Partial evidence

“Als strategische Unternehmensberatung mit Sitz in Berlin begleiten wir Unternehmen, Kommunen und die Energiewirtschaft insbesondere Management, Entscheider und Projektleiter bei…”

Source: RevenueBase Database · checked Sep 16, 2026
22Partial evidenceMünster, GermanyHQ checked Sep 16, 202651-20042 contacts →

Partial evidence

“Der Generalplaner für nachhaltiges Bauen & Sanieren Wir sind Ihr unabhängiger Partner für Energieberatung, Fördermittelmanagement und die energieeffiziente Planung und Umsetzung…”

Source: RevenueBase Database · checked Sep 16, 2026
23Strong evidenceNürnberg, GermanyHQ checked Sep 16, 202651-20041 contacts →

Strong evidence

“Envi Con Engineering GmbH ist ein führendes technologieunabhängiges Ingenieurunternehmen für Energieversorger, Entsorger, Stadtwerke, für die Industrie und Anlagenbauer sowie…”

Source: RevenueBase Database · checked Sep 16, 2026
24Strong evidenceDortmund, GermanyHQ checked Sep 16, 202611-5041 contacts →

Strong evidence

“Als anerkanntes Engineering-Unternehmen für Energiespeicher- und Energiesystemdienstleistungen führt die ESK GmbH seit vielen Jahren nationale und internationale Projekte…”

Source: RevenueBase Database · checked Sep 16, 2026
25Indirect evidenceLudwigsburg, GermanyHQ checked Sep 16, 202651-20041 contacts →

Indirect evidence

“ibb Burrer & Deuring Ingenieurbürogruppe – unseren Lösungen und Kompetenzen vertrauen Auftraggeber schon seit vielen Jahren.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 1,598 energy engineering firms based in Germany

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,993 reachable decision-makers.

Free signup · no credit card

View the full list →

Energy engineering firms based in Germany at a glance

As of Sep 16, 2026
24.9%Verified-email coverage
7.5Average contacts per company
1-10Median size (employees)
5.8%Largest-city concentration · Berlin
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
944
11-50
455
51-200
110
201-500
11
501-1,000
2
1,001-5,000
1
10001+
3

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 1,598 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 engineering 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 “energy engineering 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 energy engineering 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 energy engineering 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, 2,993 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 16, 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.

Energy engineering firms 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 energy engineering 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 energy engineering firms are there based in Germany?

RevenueBase identified 1,598 energy engineering 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?

Schlaich Bergermann Partner SBP, headquartered in Stuttgart, tops this list with the largest team on record.

Which city has the most energy engineering firms?

Berlin leads with 92 headquartered companies, followed by Hamburg (63) and Munchen (35).

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 2,993 verified decision-maker contacts tracked across these 1,598 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 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,598 energy engineering firms based in Germany. Start with a free account, no credit card.

Download this list →

Related lists

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.