Company lists · Data refreshed September 2026
Top 25 Retrofit engineering companies based in Germany
RevenueBase identified 82 company matches for retrofit engineering companies associated with Germany as of September 2026 and tracks 368 professional contacts across them, including 113 with verified work emails. Stuttgart is the largest hub.
This list covers company matches for retrofit engineering companies associated with Germany, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 retrofit engineering companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 54 contacts → | ||||
Exact match “Ein starker Verbund erstklassiger Baufirmen Die Fischbach Gruppe ist ein eng verbundenes Netzwerk aus Bauunternehmen verschiedener Gewerke mit den Schwerpunkten Modernisierung…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 2 | 26 contacts → | ||||
Exact match “Das INGENIEURBÜRO FÜR BAUWESEN SCHMIDT GMBH ist in den Bereichen Hoch- und Tiefbauplanung, der Tragwerksplanung sowie der Infrastrukturplanung seit über 60 Jahren erfolgreich…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 3 | 21 contacts → | ||||
Exact match “SIK Peitz GmbH – dieser Name steht für Dienstleistungen in der Industrie und Energieerzeugung.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 4 | 20 contacts → | ||||
Exact match “Unser Portfolio, entstanden entlang der Prozesskette eines Projektes, offeriert heute ein umfangreiches Leistungsangebot im Projekt- und Baustellenmanagement.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 5 | 16 contacts → | ||||
Exact match “Ideen gemeinsam verwirklichen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 6 | 16 contacts → | ||||
Exact match “Sie planen die Erweiterung eines Industriebaus?” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match “Wir sind die Profis in der energetischen Modernisierung.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 8 | 10 contacts → | ||||
Exact match “Die IBS GmbH versteht sich als Full-Service-Anbieter bei der Betreuung von Infrastrukturprojekten in verschiedenen Gewerken.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 9 | 5 contacts → | ||||
Exact match “Herzlich willkommen bei der CR Infrastruktur GmbH, ehemals Clemens Reuschenbach Infrastruktur GmbH.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “Willkommen bei aTmos – dem Experten für energetische Industrie- und Gebäudehüllensanierung.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 11 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “Ob Neu, An- oder Umbau, Modernisierung oder Sanierung, für private oder gewerbliche Projekte – bei uns bekommen Sie alles aus einer Hand.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Von der Asbestsanierung bis hin zur Modernisierung - um Ihrer Halle zu neuem Glanz zu verhelfen, bieten wir auch die Renovierung alter Objekte durch unsere erfahrenen Fachkräfte…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “teo sorgt als Berater und Fachingenieur für optimal funktionierende und sparsame Gebäudetechnik und begleitet gewerbliche Kund*innen auf dem Weg in die Energiewende.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Unsere Stärke liegt in der präzisen Analyse und der Entwicklung individuell zugeschnittener Lösungen für Industrie und Gewerbe.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “Net steht für Qualität und Innovation bei Errichtung von Infrastrukturlösungen für multimediale Netzwerke in Verwaltung und Industrie und bietet Lösungen für einen effizienten…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Wie viele der heute etablierten mittelständischen Unternehmen hat auch die MACON BAU GmbH Magdeburg einmal ganz klein angefangen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “HWT Handwerksteam GmbH is a construction company based out of 415 Fuhlsbüttler Str, Hamburg, Germany.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “Customized engineering services” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “retrofit engineering companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 82 retrofit engineering companies based in Germany
See the full list, filter by size, metro and specialty, and access 113 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Retrofit engineering companies based in Germany at a glance
As of Sep 17, 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 82 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Germany whose business descriptions match “retrofit engineering companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 113 professional contacts with verified work emails across the full matched dataset. 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 17, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “retrofit engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many retrofit engineering companies are there based in Germany?
RevenueBase identified 82 company matches for retrofit engineering companies associated with Germany as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Fischbach Gruppe tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most retrofit engineering companies?
Stuttgart leads with 4 company records, followed by Essen (3) and Hamburg (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 113 professional contacts with verified work emails tracked across these 82 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.
Ready to reach these companies? Verified emails and direct dials for all 82 retrofit engineering companies based in Germany. Start with a free account, no credit card.
Download this list →Related lists
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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 SmartSearch, 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.
More company lists
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- Lists A-Z
- New lists
- Retrofit engineering companies based in Brazil
- Retrofit engineering companies based in Canada
- Retrofit engineering companies based in France
- Retrofit engineering companies based in India
- Retrofit engineering companies based in Italy
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Company intelligence · public preview
Top 25 retrofit engineering companies based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 82 matching company records for retrofit engineering companies based in Germany, with 368 tracked contacts and 113 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 17, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 retrofit engineering companies based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Fischbach Gruppefischbach-gruppe.de HQ: Gelsenkirchen, GermanyReported employees: 201-500 | Gelsenkirchen, Germany | 201-500 | Exact match | 54 contacts → |
“Ein starker Verbund erstklassiger Baufirmen Die Fischbach Gruppe ist ein eng verbundenes Netzwerk aus Bauunternehmen verschiedener Gewerke mit den Schwerpunkten Modernisierung…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ingenieurbüro FÜR Bauwesen Schmidt Gmbhbauing-schmidt.deHQ: Schmallenberg, GermanyReported employees: 51-200 | Schmallenberg, Germany | 51-200 | Exact match | 26 contacts → |
“Das INGENIEURBÜRO FÜR BAUWESEN SCHMIDT GMBH ist in den Bereichen Hoch- und Tiefbauplanung, der Tragwerksplanung sowie der Infrastrukturplanung seit über 60 Jahren erfolgreich…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SIK Peitz Gmbhsik-service.com HQ: Teichland, GermanyReported employees: 201-500 | Teichland, Germany | 201-500 | Exact match | 21 contacts → |
“SIK Peitz GmbH – dieser Name steht für Dienstleistungen in der Industrie und Energieerzeugung.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  EKS Montage Gmbheks-montage.deHQ: Leipzig, GermanyReported employees: 51-200 | Leipzig, Germany | 51-200 | Exact match | 20 contacts → |
“Unser Portfolio, entstanden entlang der Prozesskette eines Projektes, offeriert heute ein umfangreiches Leistungsangebot im Projekt- und Baustellenmanagement.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Stadler Engineeringstadlerengineering.deHQ: Burghausen, GermanyReported employees: 51-200 | Burghausen, Germany | 51-200 | Exact match | 16 contacts → |
“Ideen gemeinsam verwirklichen.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hetzel Sponheuerhetzelsponheuer.deHQ: Essen, GermanyReported employees: 51-200 | Essen, Germany | 51-200 | Exact match | 16 contacts → |
“Sie planen die Erweiterung eines Industriebaus?” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Richert-Gruppe Gmbhrichert-gruppe.com HQ: Wallenhorst, GermanyReported employees: 201-500 | Wallenhorst, Germany | 201-500 | Exact match | 13 contacts → |
“Wir sind die Profis in der energetischen Modernisierung.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | IBS Gmbhibs-novocrete.de HQ: Bösingen, GermanyReported employees: 11-50 | Bösingen, Germany | 11-50 | Exact match | 10 contacts → |
“Die IBS GmbH versteht sich als Full-Service-Anbieter bei der Betreuung von Infrastrukturprojekten in verschiedenen Gewerken.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CR Infrastruktur Gmbhcr-infrastruktur.de HQ: Breitscheid, GermanyReported employees: 51-200 | Breitscheid, Germany | 51-200 | Exact match | 5 contacts → |
“Herzlich willkommen bei der CR Infrastruktur GmbH, ehemals Clemens Reuschenbach Infrastruktur GmbH.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Atmos Gruppeatmos-gruppe.deHQ: Riedstadt, GermanyReported employees: 51-200 | Riedstadt, Germany | 51-200 | Exact match | 5 contacts → |
“Willkommen bei aTmos – dem Experten für energetische Industrie- und Gebäudehüllensanierung.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bihh Bau-Institut Hamburg-Harburg Gmbhbau-institut.de HQ: Hamburg-harburg, GermanyReported employees: 1-10 | Hamburg-harburg, Germany | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | O&p Projektingenieure Gmbhop-projekt.de HQ: Ibbenbüren, GermanyReported employees: 11-50 | Ibbenbüren, Germany | 11-50 | Exact match | 3 contacts → |
“Ob Neu, An- oder Umbau, Modernisierung oder Sanierung, für private oder gewerbliche Projekte – bei uns bekommen Sie alles aus einer Hand.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HVT Haus- UND Versorgungstechnik Gmbh Stammsitz Potsdamhvt-potsdam.de HQ: Potsdam, GermanyReported employees: 1-10 | Potsdam, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Seitz Industriebau Gmbhseitz-stahl-metall.de HQ: Speicher, GermanyReported employees: 1-10 | Speicher, Germany | 1-10 | Exact match | 3 contacts → |
“Von der Asbestsanierung bis hin zur Modernisierung - um Ihrer Halle zu neuem Glanz zu verhelfen, bieten wir auch die Renovierung alter Objekte durch unsere erfahrenen Fachkräfte…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Broos Project Gmbhbroos-project.deHQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | LPN Tiefbau Gmbhlpn-tiefbau.de HQ: Wörth Am Rhein, GermanyReported employees: 11-50 | Wörth Am Rhein, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Bauunternehmung Lindenberg Gmbh & Co. KGbau-lindenberg.de HQ: Rösrath, GermanyReported employees: 1-10 | Rösrath, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | HQ: Reichenbach Im Vogtland, GermanyReported employees: Not recorded | Reichenbach Im Vogtland, Germany | Not recorded | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  TEOteo-services.deHQ: Cologne, GermanyReported employees: 1-10 | Cologne, Germany | 1-10 | Exact match | 2 contacts → |
“teo sorgt als Berater und Fachingenieur für optimal funktionierende und sparsame Gebäudetechnik und begleitet gewerbliche Kund*innen auf dem Weg in die Energiewende.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ETS Energietechnik Satrup Gmbhets-satrup.de HQ: Mittelangeln, GermanyReported employees: 11-50 | Mittelangeln, Germany | 11-50 | Exact match | 2 contacts → |
“Unsere Stärke liegt in der präzisen Analyse und der Entwicklung individuell zugeschnittener Lösungen für Industrie und Gewerbe.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  NET 2000 Gmbhnet-2000.comHQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 2 contacts → |
“Net steht für Qualität und Innovation bei Errichtung von Infrastrukturlösungen für multimediale Netzwerke in Verwaltung und Industrie und bietet Lösungen für einen effizienten…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Macon BAU Gmbh Magdeburgmacon-bau.de HQ: Magdeburg, GermanyReported employees: 11-50 | Magdeburg, Germany | 11-50 | Exact match | 2 contacts → |
“Wie viele der heute etablierten mittelständischen Unternehmen hat auch die MACON BAU GmbH Magdeburg einmal ganz klein angefangen.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Bauunternehmen Otto Busch Gmbhbusch-bauunternehmen.de HQ: Seulingen, GermanyReported employees: 1-10 | Seulingen, Germany | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | HWT Handwerksteam Gmbhhwt-handwerksteam.de HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 2 contacts → |
“HWT Handwerksteam GmbH is a construction company based out of 415 Fuhlsbüttler Str, Hamburg, Germany.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pepela Innovation Gmbhpepela-innovation.de HQ: Westerkappeln, GermanyReported employees: 1-10 | Westerkappeln, Germany | 1-10 | Exact match | 1 contacts → |
“Customized engineering services” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 82 company matches
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Retrofit engineering companies: dataset insights
September 17, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
75 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 82 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 17, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for retrofit engineering companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many retrofit engineering companies did RevenueBase find based in Germany?
The saved snapshot records 82 matching company records, 368 tracked contacts and 113 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 17, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Retrofit engineering companies by geography
- Retrofit engineering companies based in Brazil
- Retrofit engineering companies based in Canada
- Retrofit engineering companies based in France
- Retrofit engineering companies based in India
- Retrofit engineering companies based in Italy
- Retrofit engineering companies based in Spain
- Retrofit engineering companies based in the United Kingdom
- Retrofit engineering companies based in the United States
Cite this list
RevenueBase Data Team. Top 25 retrofit engineering companies based in Germany. Snapshot: September 17, 2026. https://revenuebase.ai/companies/retrofit-engineering-companies/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Retrofit engineering companies based in Brazil
- Retrofit engineering companies based in Canada
- Retrofit engineering companies based in France
- Retrofit engineering companies based in India
- Retrofit engineering companies based in Italy
- Retrofit engineering companies based in Spain
Company intelligence · public preview
Top 25 retrofit engineering companies based in Germany
RevenueBase records 82 matching company records for retrofit engineering companies based in Germany, with 368 tracked contacts and 113 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 17, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 retrofit engineering companies based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Fischbach Gruppefischbach-gruppe.de HQ: Gelsenkirchen, GermanyReported employees: 201-500 | Gelsenkirchen, Germany | 201-500 | Exact match | 54 contacts → |
“Ein starker Verbund erstklassiger Baufirmen Die Fischbach Gruppe ist ein eng verbundenes Netzwerk aus Bauunternehmen verschiedener Gewerke mit den Schwerpunkten Modernisierung…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ingenieurbüro FÜR Bauwesen Schmidt Gmbhbauing-schmidt.de HQ: Schmallenberg, GermanyReported employees: 51-200 | Schmallenberg, Germany | 51-200 | Exact match | 26 contacts → |
“Das INGENIEURBÜRO FÜR BAUWESEN SCHMIDT GMBH ist in den Bereichen Hoch- und Tiefbauplanung, der Tragwerksplanung sowie der Infrastrukturplanung seit über 60 Jahren erfolgreich…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SIK Peitz Gmbhsik-service.com HQ: Teichland, GermanyReported employees: 201-500 | Teichland, Germany | 201-500 | Exact match | 21 contacts → |
“SIK Peitz GmbH – dieser Name steht für Dienstleistungen in der Industrie und Energieerzeugung.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | EKS Montage Gmbheks-montage.de HQ: Leipzig, GermanyReported employees: 51-200 | Leipzig, Germany | 51-200 | Exact match | 20 contacts → |
“Unser Portfolio, entstanden entlang der Prozesskette eines Projektes, offeriert heute ein umfangreiches Leistungsangebot im Projekt- und Baustellenmanagement.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Stadler Engineeringstadlerengineering.de HQ: Burghausen, GermanyReported employees: 51-200 | Burghausen, Germany | 51-200 | Exact match | 16 contacts → |
“Ideen gemeinsam verwirklichen.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hetzel Sponheuerhetzelsponheuer.de HQ: Essen, GermanyReported employees: 51-200 | Essen, Germany | 51-200 | Exact match | 16 contacts → |
“Sie planen die Erweiterung eines Industriebaus?” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Richert-Gruppe Gmbhrichert-gruppe.com HQ: Wallenhorst, GermanyReported employees: 201-500 | Wallenhorst, Germany | 201-500 | Exact match | 13 contacts → |
“Wir sind die Profis in der energetischen Modernisierung.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | IBS Gmbhibs-novocrete.de HQ: Bösingen, GermanyReported employees: 11-50 | Bösingen, Germany | 11-50 | Exact match | 10 contacts → |
“Die IBS GmbH versteht sich als Full-Service-Anbieter bei der Betreuung von Infrastrukturprojekten in verschiedenen Gewerken.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CR Infrastruktur Gmbhcr-infrastruktur.de HQ: Breitscheid, GermanyReported employees: 51-200 | Breitscheid, Germany | 51-200 | Exact match | 5 contacts → |
“Herzlich willkommen bei der CR Infrastruktur GmbH, ehemals Clemens Reuschenbach Infrastruktur GmbH.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Atmos Gruppeatmos-gruppe.de HQ: Riedstadt, GermanyReported employees: 51-200 | Riedstadt, Germany | 51-200 | Exact match | 5 contacts → |
“Willkommen bei aTmos – dem Experten für energetische Industrie- und Gebäudehüllensanierung.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bihh Bau-Institut Hamburg-Harburg Gmbhbau-institut.de HQ: Hamburg-harburg, GermanyReported employees: 1-10 | Hamburg-harburg, Germany | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | O&p Projektingenieure Gmbhop-projekt.de HQ: Ibbenbüren, GermanyReported employees: 11-50 | Ibbenbüren, Germany | 11-50 | Exact match | 3 contacts → |
“Ob Neu, An- oder Umbau, Modernisierung oder Sanierung, für private oder gewerbliche Projekte – bei uns bekommen Sie alles aus einer Hand.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HVT Haus- UND Versorgungstechnik Gmbh Stammsitz Potsdamhvt-potsdam.de HQ: Potsdam, GermanyReported employees: 1-10 | Potsdam, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Seitz Industriebau Gmbhseitz-stahl-metall.de HQ: Speicher, GermanyReported employees: 1-10 | Speicher, Germany | 1-10 | Exact match | 3 contacts → |
“Von der Asbestsanierung bis hin zur Modernisierung - um Ihrer Halle zu neuem Glanz zu verhelfen, bieten wir auch die Renovierung alter Objekte durch unsere erfahrenen Fachkräfte…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Broos Project Gmbhbroos-project.de HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | LPN Tiefbau Gmbhlpn-tiefbau.de HQ: Wörth Am Rhein, GermanyReported employees: 11-50 | Wörth Am Rhein, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Bauunternehmung Lindenberg Gmbh & Co. KGbau-lindenberg.de HQ: Rösrath, GermanyReported employees: 1-10 | Rösrath, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | HQ: Reichenbach Im Vogtland, GermanyReported employees: Not recorded | Reichenbach Im Vogtland, Germany | Not recorded | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | TEOteo-services.de HQ: Cologne, GermanyReported employees: 1-10 | Cologne, Germany | 1-10 | Exact match | 2 contacts → |
“teo sorgt als Berater und Fachingenieur für optimal funktionierende und sparsame Gebäudetechnik und begleitet gewerbliche Kund*innen auf dem Weg in die Energiewende.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ETS Energietechnik Satrup Gmbhets-satrup.de HQ: Mittelangeln, GermanyReported employees: 11-50 | Mittelangeln, Germany | 11-50 | Exact match | 2 contacts → |
“Unsere Stärke liegt in der präzisen Analyse und der Entwicklung individuell zugeschnittener Lösungen für Industrie und Gewerbe.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | NET 2000 Gmbhnet-2000.com HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 2 contacts → |
“Net steht für Qualität und Innovation bei Errichtung von Infrastrukturlösungen für multimediale Netzwerke in Verwaltung und Industrie und bietet Lösungen für einen effizienten…” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Macon BAU Gmbh Magdeburgmacon-bau.de HQ: Magdeburg, GermanyReported employees: 11-50 | Magdeburg, Germany | 11-50 | Exact match | 2 contacts → |
“Wie viele der heute etablierten mittelständischen Unternehmen hat auch die MACON BAU GmbH Magdeburg einmal ganz klein angefangen.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Bauunternehmen Otto Busch Gmbhbusch-bauunternehmen.de HQ: Seulingen, GermanyReported employees: 1-10 | Seulingen, Germany | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | HWT Handwerksteam Gmbhhwt-handwerksteam.de HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 2 contacts → |
“HWT Handwerksteam GmbH is a construction company based out of 415 Fuhlsbüttler Str, Hamburg, Germany.” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pepela Innovation Gmbhpepela-innovation.de HQ: Westerkappeln, GermanyReported employees: 1-10 | Westerkappeln, Germany | 1-10 | Exact match | 1 contacts → |
“Customized engineering services” Recorded description excerpt · September 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 82 company matches
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Retrofit engineering companies: dataset insights
September 17, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
75 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 82 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 17, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for retrofit engineering companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many retrofit engineering companies did RevenueBase find based in Germany?
The saved snapshot records 82 matching company records, 368 tracked contacts and 113 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 17, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 retrofit engineering companies based in Germany. Snapshot: September 17, 2026. https://revenuebase.ai/companies/retrofit-engineering-companies/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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