Company lists · Data refreshed September 2026
Top 25 Electrical contracting firms based in Germany
RevenueBase identified 1,843 electrical contracting firms headquartered in Germany as of September 2026 and tracks 5,137 professional contacts across them, including 1,210 with verified work emails. Berlin is the largest hub.
This list covers electrical contracting 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 19, 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 electrical contracting firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 148 contacts → | ||||
Indirect evidence “Zajadacz - unser Name steht für eine über 90-jährige Tradition in der Elektrobranche.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 145 contacts → | ||||
Indirect evidence “Nachhaltige Technik aus einer Hand.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 145 contacts → | ||||
Indirect evidence “Die Bachner Group steht ihren Kunden seit über 100 Jahren gemäß dem Anspruch „Elektro- und Energiekompetenz aus einer Hand“ in allen Bereichen der Elektrodienstleistungen zur…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 87 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 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 71 contacts → | ||||
Partial evidence “Schweickert GmbH is a full-service provider for electrical installation, building infrastructure, security technology, and IT infrastructure.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 67 contacts → | ||||
Indirect evidence “weil Sie in unsere Leistungen vertrauen.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 55 contacts → | ||||
Indirect evidence “Liebe Besucherin, lieber Besucher der E.INFRA, Technik verbindet - Dafür sorgen über 300 Mitarbeiter:innen an fünf Niederlassungen der E.INFRA in Deutschland.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 52 contacts → | ||||
Indirect evidence “Die Sitte Elektrotechnik Unternehmensgruppe ist eine feste Größe rund um die Elektrotechnik.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 48 contacts → | ||||
Indirect evidence “Elektro Beckhoff realisiert elektrotechnische Anlagen für die Industrie, den Wohnungsbau, Krankenhäuser, Hotels und öffentliche Einrichtungen.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 39 contacts → | ||||
Indirect evidence “Leidenschaft ist unser Strom.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 37 contacts → | ||||
Indirect evidence “Ihr starker Partner im Elektrohandwerk Strom, Elektrizität, Energie sind seit über 116 Jahren schon unser Metier.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 33 contacts → | ||||
Indirect evidence “Elektro - Das ganz Spektrum: Schwach, Mittel, und Starkstromanlagen, Schaltschränke, komplexe Smart-Building-Lösungen – egal, ob wir ganz klassisch Kabel und Steckdosen verlegen…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 30 contacts → | ||||
Indirect evidence “Die Schubert GmbH hat sich innerhalb der letzten 36 Jahren mit aktuell ca.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 24 contacts → | ||||
Indirect evidence “Die Langer E-Technik GmbH ist Ihr industrieller Dienstleister für elektrotechnische Anlagen mit jahrzehntelanger Erfahrung in den Geschäftsfeldern Automatisierung, Energietechnik…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 21 contacts → | ||||
Indirect evidence “Netze bauen, Leitungen legen und hängen, Kommunikation schnell machen, Sonne einfangen.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 20 contacts → | ||||
Indirect evidence “Die EGB-Gruppe ist ein mittelständischer Unternehmensverbund, der elektrotechnische Dienstleistungen für die Bauwirtschaft erbringt.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 20 contacts → | ||||
Indirect evidence “HBS Elektrobau (Holding) GmbH ist ein Familienunternehmen, das mittlerweile deutschlandweit vertreten ist.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19 contacts → | ||||
Indirect evidence “Impressum: https://zausinger.de/index.php/impressum Komplettanbieter im Bereich der Elektrotechnik, mit Schwerpunkt auf Gewerbe, Industrie, Handel, Banken und öffentliche…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 17 contacts → | ||||
Indirect evidence “Willkommen bei AGW, Ihrem Spezialisten für Elektroinstallation und -anlagenbau, Sicherheits- und Kommunikationstechnik sowie Automatisierungstechnik!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 17 contacts → | ||||
Indirect evidence “Strom ist unsere Passion.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 17 contacts → | ||||
Indirect evidence “Wenn wegweisende Elektrotechnik und richtungsweisende Lösungen für Personal, Industriedienstleistungen und Handel aufeinandertreffen, entsteht daraus eine neue faszinierende Welt…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 16 contacts → | ||||
Indirect evidence “Was 1985 mit der Gründung eines Handwerkbetriebs für Elektrotechnik begann, entwickelte sich schnell zu einem stetig wachsenden Unternehmen, das technischen Fortschritt…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 16 contacts → | ||||
Indirect evidence “Kuhn-Elektro ist High-Tech Handwerk.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 16 contacts → | ||||
Indirect evidence “FAE bietet seit 1992 überzeugende Qualität aus einer Hand rund um die Elektrotechnik.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 15 contacts → | ||||
Indirect evidence “Lösungen, maßgeschneidert, individuell, nachhaltig, optimiert, abgestimmt Leitungsnetze Elektroinstallation und Beleuchtung Sicherheitsbeleuchtung und Sicherheitseinrichtungen…” Source: RevenueBase Database · checked Sep 19, 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: electrical contracting firms. 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 electrical contracting firms.
- Partial evidence
- Its own public description names part of electrical contracting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name electrical contracting firms. 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 1,843 electrical contracting firms based in Germany
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Electrical contracting firms based in Germany at a glance
As of Sep 19, 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 1,843 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 electrical contracting 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 “electrical contracting 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 electrical contracting 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 electrical contracting 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, 1,210 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 19, 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.
Electrical contracting firms by metro
- Electrical contracting firms in Berlin61
- Electrical contracting firms in Hamburg42
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 electrical contracting 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 electrical contracting firms are there based in Germany?
RevenueBase identified 1,843 electrical contracting 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?
Adalbert Zajadacz Gmbh & Co. KG, headquartered in Neu Wulmstorf, tops this list with the largest team on record.
Which city has the most electrical contracting firms?
Berlin leads with 61 headquartered companies, followed by Hamburg (42) and Stuttgart (22).
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 1,210 verified decision-maker contacts tracked across these 1,843 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 19, 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.
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