Company lists · Data refreshed September 2026
Top 25 Building systems engineering firms based in Germany
RevenueBase identified 907 building systems engineering firms headquartered in Germany as of September 2026 and tracks 6,050 professional contacts across them, including 2,207 with verified work emails. Berlin is the largest hub.
This list covers building systems 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.
The 25 largest building systems engineering firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 483 contacts → | ||||
Indirect evidence “Mit über 1200 Expert*innen an 22 Standorten und über 60 Jahren Erfahrung sind wir eine der führenden inhabergeführten Ingenieurgesellschaften Deutschlands.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 225 contacts → | ||||
Partial 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, 2026Thanks. The Data Team will review it. | |||||
| 3 | 185 contacts → | ||||
Indirect evidence “Die STF Gruppe ist ein international aktives Ingenieurunternehmen.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 169 contacts → | ||||
Indirect evidence “We have a passion for innovative and sustainable concepts.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 128 contacts → | ||||
Indirect evidence “1967 gegründet, sind wir heute nicht nur eines der führenden deutschen Unternehmen im gebäudetechnischen Anlagenbau, sondern vor allem auch überzeugte Klimaschützer.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 74 contacts → | ||||
Partial evidence “knippershelbig is an engineering firm which operates domestically and internationally and employs 100 people in Stuttgart, New York and Berlin.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 64 contacts → | ||||
Indirect evidence “We are a regionally, nationally and internationally active Architects Engineers group founded in 1957 and replaced in 2004 by a joint stock company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 61 contacts → | ||||
Indirect evidence “FACT.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 55 contacts → | ||||
Indirect evidence “Mit KMLS gewinnen Sie Zeit für das Wesentliche – wir sorgen für Technik, die einfach läuft.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 54 contacts → | ||||
Indirect evidence “Für unsere bundesweiten Kunden aus der Privatwirtschaft, der Industrie sowie der öffentlichen Hand planen wir anspruchsvolle und komplexe Projekte aus einem breiten Spektrum der…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 51 contacts → | ||||
Indirect evidence “Seit über 65 Jahren ist Harrer Ingenieure eigenverantwortlich und unabhängig als Beratende Ingenieur*innen auf allen Gebieten des Bauwesens tätig.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 50 contacts → | ||||
Indirect evidence “At NEXTRAIL, we make the railways a safe and reliable means of transport.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 39 contacts → | ||||
Indirect evidence “Commitment, specialist knowledge, flexibility, punctual completion, cost consciousness – these are the characteristics that have established Ingenieurbüro Liebert as a leading…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 38 contacts → | ||||
Indirect evidence “Seit mehr als 65 Jahren sind wir als Ingenieurbüro für technische Gebäudeausrüstung ein verlässlicher Partner.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 34 contacts → | ||||
Indirect evidence “Als inhabergeführtes Ingenieurbüro mit 35 Mitarbeitenden liegt peil und partner ingenieure GmbH zentral im Herzen Berlins.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 33 contacts → | ||||
Indirect evidence “Die DES GmbH ist ein Ingenieurbüro für Gebäudetechnik.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 33 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 33 contacts → | ||||
Indirect evidence “Willkommen bei den KFP Ingenieuren, Bauen im Bestand, Baugrubenplanung, Bauwerksprüfungen sowie die Planung zum Schutz Ihres Bauwerks gegenüber Brand, Schall und thermischen…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 32 contacts → | ||||
Indirect evidence “Als traditionsreiches Ingenieurbüro mit 70 Jahren Erfahrung sind wir stolz auf unsere Expertise in den Fachbereichen Prüfstatik, Tragwerksplanung (BIM), Bauphysik und Nachhaltiges…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 29 contacts → | ||||
Indirect evidence “PLANSITE ist eine Planungsgesellschaft für integrale Planung, Gestaltung, Steuerung und Entwicklung von Bauprojekten im Hochbau.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 29 contacts → | ||||
Indirect evidence “Als Büro der technischen Gebäudeausrüstung mit Niederlassungen in Münster, Berlin, Hamburg und München plant und überwacht das IB Nordhorn seit mehr als 25 Jahren die Gewerke…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 28 contacts → | ||||
Indirect evidence “Über uns Unternehmensleitbild INOVIS IN(n)OVATION Wir sind ein Team hervorragend ausgebildeter und motivierter Ingenieure und Mitarbeiter.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 28 contacts → | ||||
Partial evidence “Als Tochterunternehmen der Elevion Energy & Engineering Solutions GmbH erbringt die Pantegra Ingenieure GmbH Planungsdienstleistungen auf dem Gebiet der Technischen…” Source: RevenueBase Database · checked Sep 16, 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: building systems engineering 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 building systems engineering firms.
- Partial evidence
- Its own public description names part of building systems engineering firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name building systems engineering 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 907 building systems engineering firms based in Germany
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Building systems engineering firms based in Germany at a glance
As of Sep 16, 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 907 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 building systems 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 “building systems 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 building systems 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 building systems 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, 2,207 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.
Building systems engineering firms by metro
- Building systems engineering firms in Berlin54
- Building systems engineering firms in Hamburg31
- Building systems engineering firms in Munchen28
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 building systems 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 building systems engineering firms are there based in Germany?
RevenueBase identified 907 building systems 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?
Schüßler-Plan, headquartered in Dusseldorf, tops this list with the largest team on record.
Which city has the most building systems engineering firms?
Berlin leads with 54 headquartered companies, followed by Hamburg (31) and Munchen (28).
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 2,207 verified decision-maker contacts tracked across these 907 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.
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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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