Company lists · Data refreshed September 2026
Top 25 Retrofit consulting companies based in Germany
RevenueBase identified 741 company matches for retrofit consulting companies associated with Germany as of September 2026 and tracks 2,593 professional contacts across them, including 739 with verified work emails. Berlin is the largest hub.
This list covers company matches for retrofit consulting 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 29, 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 consulting companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 169 contacts → | ||||
Exact match “We have a passion for innovative and sustainable concepts.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 93 contacts → | ||||
Exact match “Gebäude.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 62 contacts → | ||||
Exact match “Kohlbecker was founded by Karl Kohlbecker in 1930.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 51 contacts → | ||||
Exact match “Seit über 65 Jahren ist Harrer Ingenieure eigenverantwortlich und unabhängig als Beratende Ingenieur*innen auf allen Gebieten des Bauwesens tätig.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 42 contacts → | ||||
Exact match “Der Generalplaner für nachhaltiges Bauen & Sanieren Wir sind Ihr unabhängiger Partner für Energieberatung, Fördermittelmanagement und die energieeffiziente Planung und Umsetzung…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 32 contacts → | ||||
Exact match “Wir sind VERHEYEN-INGENIEURE.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 29 contacts → | ||||
Exact match “RENEWA ist dein unabhängiger Partner für energetische Sanierung.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 24 contacts → | ||||
Exact match “Nur wer wenig Reibungsverluste hat, ist leistungsstark – kplan AG bündelt das gesamte Know-how eines Immobilienprozesses in einem Haus und garantiert so eine ganzheitliche…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “Beratung.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “MorgenGrün – Innovationen von ZWP Wir wollen vor allem eines: mit der Kraft von Innovationen Gebäude und Liegenschaften so gestalten, dass sie langfristig unserer ökologischen und…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 18 contacts → | ||||
Exact match “Consulting businesses on Energy Efficiency and Renewable Energy UN Sustainable Development Goals and International Cooperation Envidatec offers consulting services on all things…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 18 contacts → | ||||
Exact match “Bauwerke müssen sicher, bezahlbar und umweltfreundlich sein.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 17 contacts → | ||||
Exact match “BERODE combines classical management consulting with broad engineering expertise.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 16 contacts → | ||||
Exact match “Ideen gemeinsam verwirklichen.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 15 contacts → | ||||
Exact match “Als Energieberater decken wir alle Aspekte deines Bauvorhabens ab, von der Planung bis hin zur Inbetriebnahme sowie dem Nachtrags- und Mängelmanagement.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “WP Ingenieure ist ein erfolgreiches und expandierendes inhabergeführtes Ingenieurunternehmen mit über 60 Mitarbeitern in Hamburg.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match “Metabuild supports owners and investors with expert-led engineering services grounded in high-resolution building simulations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 14 contacts → | ||||
Exact match “Easy to reach, we share our extensive knowledge and never owe an answer.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “Berk + Partner Bauingenieure GmbH Ingenieurbüro für Tragwerksplanung Tragwerksplanung Bauen im Bestand Revitalisierung Bestandserkundungen” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 13 contacts → | ||||
Exact match “Wir bieten Ihnen umfassende Beratungsleistungen zur ökologischen, ökonomischen, funktionalen und technischen Optimierung von Bauvorhaben üben den gesamten Lebenszyklus an.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 13 contacts → | ||||
Exact match “tga bodensee GmbH ist ein Unternehmen, das die Beratung und Umsetzung von zukunftsweisender Haus- und Energietechnik sowohl für Privat- als auch Gewerbekunden anbietet.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 12 contacts → | ||||
Exact match “Menschen brauchen Energie.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 10 contacts → | ||||
Exact match “Seit 1996 sind wir Ihr Ingenieurbüro im Münsterland für die gesamte Abwicklung der technischen Gebäudeausrüstung!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “Gemeinsam in eine nachhaltige Zukunft.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “Die DS elektrotherm GmbH zeichnet sich durch umfangreiches Fachwissen im Bereich Gebäudetechnik und erstklassige Beratung, Planung und Ausführung aus.” Recorded in the RevenueBase company graph · Sep 29, 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 consulting 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 741 retrofit consulting companies based in Germany
See the full list, filter by size, metro and specialty, and access 739 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Retrofit consulting companies based in Germany at a glance
As of Sep 29, 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 741 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 consulting 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 739 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 29, 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.
Retrofit consulting companies by metro
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 consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many retrofit consulting companies are there based in Germany?
RevenueBase identified 741 company matches for retrofit consulting 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?
ZWP Ingenieur-Ag tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most retrofit consulting companies?
Berlin leads with 42 company records, followed by Hamburg (32) and Munich (27).
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 739 professional contacts with verified work emails tracked across these 741 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 741 retrofit consulting companies based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Retrofit consulting companies by geography
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- Retrofit consulting companies based in Calgary, Canada
- Retrofit consulting companies based in Montreal, Canada
- Retrofit consulting companies based in Toronto, Canada
- Retrofit consulting companies based in Vancouver, Canada
- Retrofit consulting companies based in Lyon, France
- Retrofit consulting companies based in Paris, France
- Retrofit consulting companies based in Berlin, Germany
- Retrofit consulting companies based in Hamburg, Germany
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Retrofit consulting companies based in Melbourne, Australia
- Retrofit consulting companies based in Sydney, Australia
- Retrofit consulting companies based in Rio De Janeiro, Brazil
- Retrofit consulting companies based in Sao Paulo, Brazil
- Retrofit consulting companies based in Calgary, Canada
- Retrofit consulting companies based in Montreal, Canada
Company intelligence · public preview
Top 25 retrofit consulting 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 741 matching company records for retrofit consulting companies based in Germany, with 2,593 tracked contacts and 739 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 29, 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 consulting 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 |  ZWP Ingenieur-Agzwp.deHQ: Cologne, GermanyReported employees: 201-500 | Cologne, Germany | 201-500 | Exact match | 169 contacts → |
“We have a passion for innovative and sustainable concepts.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Vollack Gruppevollack.deHQ: Karlsruhe, GermanyReported employees: 201-500 | Karlsruhe, Germany | 201-500 | Exact match | 93 contacts → |
“Gebäude.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kohlbecker Gesamtplan Gmbhkohlbecker.de HQ: Gaggenau, GermanyReported employees: 51-200 | Gaggenau, Germany | 51-200 | Exact match | 62 contacts → |
“Kohlbecker was founded by Karl Kohlbecker in 1930.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Harrer Ingenieure Gmbhharrer-ing.netHQ: Karlsruhe, GermanyReported employees: 51-200 | Karlsruhe, Germany | 51-200 | Exact match | 51 contacts → |
“Seit über 65 Jahren ist Harrer Ingenieure eigenverantwortlich und unabhängig als Beratende Ingenieur*innen auf allen Gebieten des Bauwesens tätig.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Bode Unternehmensgruppebode.msHQ: Münster, GermanyReported employees: 51-200 | Münster, Germany | 51-200 | Exact match | 42 contacts → |
“Der Generalplaner für nachhaltiges Bauen & Sanieren Wir sind Ihr unabhängiger Partner für Energieberatung, Fördermittelmanagement und die energieeffiziente Planung und Umsetzung…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Verheyenverheyen-ingenieure.de HQ: Bad Kreuznach, GermanyReported employees: 51-200 | Bad Kreuznach, Germany | 51-200 | Exact match | 32 contacts → |
“Wir sind VERHEYEN-INGENIEURE.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Renewa Gmbhrenewa.deHQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 29 contacts → |
“RENEWA ist dein unabhängiger Partner für energetische Sanierung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Abensberg, GermanyReported employees: 51-200 | Abensberg, Germany | 51-200 | Exact match | 24 contacts → |
“Nur wer wenig Reibungsverluste hat, ist leistungsstark – kplan AG bündelt das gesamte Know-how eines Immobilienprozesses in einem Haus und garantiert so eine ganzheitliche…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  IBF Ingenieurgesellschaft MBHibf-ingenieure.deHQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 20 contacts → |
“Beratung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Morgengrünmorgengruen.ingHQ: Cologne, GermanyReported employees: 11-50 | Cologne, Germany | 11-50 | Exact match | 19 contacts → |
“MorgenGrün – Innovationen von ZWP Wir wollen vor allem eines: mit der Kraft von Innovationen Gebäude und Liegenschaften so gestalten, dass sie langfristig unserer ökologischen und…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Envidatecenvidatec.comHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 18 contacts → |
“Consulting businesses on Energy Efficiency and Renewable Energy UN Sustainable Development Goals and International Cooperation Envidatec offers consulting services on all things…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Draheim Ingenieuredraheim.comHQ: Hamm, GermanyReported employees: 51-200 | Hamm, Germany | 51-200 | Exact match | 18 contacts → |
“Bauwerke müssen sicher, bezahlbar und umweltfreundlich sein.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Berode Gmbhberode.comHQ: Cologne, GermanyReported employees: 11-50 | Cologne, Germany | 11-50 | Exact match | 17 contacts → |
“BERODE combines classical management consulting with broad engineering expertise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Stadler Engineeringstadlerengineering.deHQ: Burghausen, GermanyReported employees: 51-200 | Burghausen, Germany | 51-200 | Exact match | 16 contacts → |
“Ideen gemeinsam verwirklichen.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Energieberater IM Land Brandenburg Gmbhenergieberater-brb.deHQ: Potsdam, GermanyReported employees: 11-50 | Potsdam, Germany | 11-50 | Exact match | 15 contacts → |
“Als Energieberater decken wir alle Aspekte deines Bauvorhabens ab, von der Planung bis hin zur Inbetriebnahme sowie dem Nachtrags- und Mängelmanagement.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  WP Ingenieurewp-ingenieure.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 14 contacts → |
“WP Ingenieure ist ein erfolgreiches und expandierendes inhabergeführtes Ingenieurunternehmen mit über 60 Mitarbeitern in Hamburg.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Metabuildmetabuild.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 14 contacts → |
“Metabuild supports owners and investors with expert-led engineering services grounded in high-resolution building simulations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ean50 Gmbhean50.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 14 contacts → |
“Easy to reach, we share our extensive knowledge and never owe an answer.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Berk Partner Bauingenieure Gmbhberk-partner.deHQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 13 contacts → |
“Berk + Partner Bauingenieure GmbH Ingenieurbüro für Tragwerksplanung Tragwerksplanung Bauen im Bestand Revitalisierung Bestandserkundungen” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Darmstadt, GermanyReported employees: 11-50 | Darmstadt, Germany | 11-50 | Exact match | 13 contacts → |
“Wir bieten Ihnen umfassende Beratungsleistungen zur ökologischen, ökonomischen, funktionalen und technischen Optimierung von Bauvorhaben üben den gesamten Lebenszyklus an.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  TGA Bodensee Gmbhtga-bodensee.deHQ: Salem, GermanyReported employees: 51-200 | Salem, Germany | 51-200 | Exact match | 13 contacts → |
“tga bodensee GmbH ist ein Unternehmen, das die Beratung und Umsetzung von zukunftsweisender Haus- und Energietechnik sowohl für Privat- als auch Gewerbekunden anbietet.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Werk.E Energie-Effizienz-Beratungwerk-e.deHQ: Paderborn, GermanyReported employees: 11-50 | Paderborn, Germany | 11-50 | Exact match | 12 contacts → |
“Menschen brauchen Energie.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ITB Gmbhitb-online.de HQ: Senden, GermanyReported employees: 51-200 | Senden, Germany | 51-200 | Exact match | 10 contacts → |
“Seit 1996 sind wir Ihr Ingenieurbüro im Münsterland für die gesamte Abwicklung der technischen Gebäudeausrüstung!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Nuremberg, GermanyReported employees: 11-50 | Nuremberg, Germany | 11-50 | Exact match | 9 contacts → |
“Gemeinsam in eine nachhaltige Zukunft.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | DS Elektrotherm Gmbhelektrotherm.com HQ: Landshut, GermanyReported employees: 201-500 | Landshut, Germany | 201-500 | Exact match | 9 contacts → |
“Die DS elektrotherm GmbH zeichnet sich durch umfangreiches Fachwissen im Bereich Gebäudetechnik und erstklassige Beratung, Planung und Ausführung aus.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 741 company matches
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Retrofit consulting companies: dataset insights
September 29, 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
708 records in the displayed employee bands.
33 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 741 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 29, 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 ↗
Retrofit consulting companies by metro
Questions about this company list
What does Exact match mean for retrofit consulting 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 consulting companies did RevenueBase find based in Germany?
The saved snapshot records 741 matching company records, 2,593 tracked contacts and 739 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 29, 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 consulting companies by geography
- Retrofit consulting companies based in Melbourne, Australia
- Retrofit consulting companies based in Sydney, Australia
- Retrofit consulting companies based in Rio De Janeiro, Brazil
- Retrofit consulting companies based in Sao Paulo, Brazil
- Retrofit consulting companies based in Calgary, Canada
- Retrofit consulting companies based in Montreal, Canada
- Retrofit consulting companies based in Toronto, Canada
- Retrofit consulting companies based in Vancouver, Canada
- Retrofit consulting companies based in Lyon, France
- Retrofit consulting companies based in Paris, France
- Retrofit consulting companies based in Berlin, Germany
- Retrofit consulting companies based in Hamburg, Germany
Cite this list
RevenueBase Data Team. Top 25 retrofit consulting companies based in Germany. Snapshot: September 29, 2026. https://revenuebase.ai/companies/retrofit-consulting-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 consulting companies based in Melbourne, Australia
- Retrofit consulting companies based in Sydney, Australia
- Retrofit consulting companies based in Rio De Janeiro, Brazil
- Retrofit consulting companies based in Sao Paulo, Brazil
- Retrofit consulting companies based in Calgary, Canada
- Retrofit consulting companies based in Montreal, Canada
Company intelligence · public preview
Top 25 retrofit consulting companies based in Germany
RevenueBase records 741 matching company records for retrofit consulting companies based in Germany, with 2,593 tracked contacts and 739 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 29, 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 consulting 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 | ZWP Ingenieur-Agzwp.de HQ: Cologne, GermanyReported employees: 201-500 | Cologne, Germany | 201-500 | Exact match | 169 contacts → |
“We have a passion for innovative and sustainable concepts.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Vollack Gruppevollack.de HQ: Karlsruhe, GermanyReported employees: 201-500 | Karlsruhe, Germany | 201-500 | Exact match | 93 contacts → |
“Gebäude.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kohlbecker Gesamtplan Gmbhkohlbecker.de HQ: Gaggenau, GermanyReported employees: 51-200 | Gaggenau, Germany | 51-200 | Exact match | 62 contacts → |
“Kohlbecker was founded by Karl Kohlbecker in 1930.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Harrer Ingenieure Gmbhharrer-ing.net HQ: Karlsruhe, GermanyReported employees: 51-200 | Karlsruhe, Germany | 51-200 | Exact match | 51 contacts → |
“Seit über 65 Jahren ist Harrer Ingenieure eigenverantwortlich und unabhängig als Beratende Ingenieur*innen auf allen Gebieten des Bauwesens tätig.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bode Unternehmensgruppebode.ms HQ: Münster, GermanyReported employees: 51-200 | Münster, Germany | 51-200 | Exact match | 42 contacts → |
“Der Generalplaner für nachhaltiges Bauen & Sanieren Wir sind Ihr unabhängiger Partner für Energieberatung, Fördermittelmanagement und die energieeffiziente Planung und Umsetzung…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Verheyenverheyen-ingenieure.de HQ: Bad Kreuznach, GermanyReported employees: 51-200 | Bad Kreuznach, Germany | 51-200 | Exact match | 32 contacts → |
“Wir sind VERHEYEN-INGENIEURE.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Renewa Gmbhrenewa.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 29 contacts → |
“RENEWA ist dein unabhängiger Partner für energetische Sanierung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Abensberg, GermanyReported employees: 51-200 | Abensberg, Germany | 51-200 | Exact match | 24 contacts → |
“Nur wer wenig Reibungsverluste hat, ist leistungsstark – kplan AG bündelt das gesamte Know-how eines Immobilienprozesses in einem Haus und garantiert so eine ganzheitliche…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | IBF Ingenieurgesellschaft MBHibf-ingenieure.de HQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 20 contacts → |
“Beratung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Morgengrünmorgengruen.ing HQ: Cologne, GermanyReported employees: 11-50 | Cologne, Germany | 11-50 | Exact match | 19 contacts → |
“MorgenGrün – Innovationen von ZWP Wir wollen vor allem eines: mit der Kraft von Innovationen Gebäude und Liegenschaften so gestalten, dass sie langfristig unserer ökologischen und…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Envidatecenvidatec.com HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 18 contacts → |
“Consulting businesses on Energy Efficiency and Renewable Energy UN Sustainable Development Goals and International Cooperation Envidatec offers consulting services on all things…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Draheim Ingenieuredraheim.com HQ: Hamm, GermanyReported employees: 51-200 | Hamm, Germany | 51-200 | Exact match | 18 contacts → |
“Bauwerke müssen sicher, bezahlbar und umweltfreundlich sein.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Berode Gmbhberode.com HQ: Cologne, GermanyReported employees: 11-50 | Cologne, Germany | 11-50 | Exact match | 17 contacts → |
“BERODE combines classical management consulting with broad engineering expertise.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Stadler Engineeringstadlerengineering.de HQ: Burghausen, GermanyReported employees: 51-200 | Burghausen, Germany | 51-200 | Exact match | 16 contacts → |
“Ideen gemeinsam verwirklichen.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Energieberater IM Land Brandenburg Gmbhenergieberater-brb.de HQ: Potsdam, GermanyReported employees: 11-50 | Potsdam, Germany | 11-50 | Exact match | 15 contacts → |
“Als Energieberater decken wir alle Aspekte deines Bauvorhabens ab, von der Planung bis hin zur Inbetriebnahme sowie dem Nachtrags- und Mängelmanagement.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | WP Ingenieurewp-ingenieure.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 14 contacts → |
“WP Ingenieure ist ein erfolgreiches und expandierendes inhabergeführtes Ingenieurunternehmen mit über 60 Mitarbeitern in Hamburg.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Metabuildmetabuild.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 14 contacts → |
“Metabuild supports owners and investors with expert-led engineering services grounded in high-resolution building simulations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ean50 Gmbhean50.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 14 contacts → |
“Easy to reach, we share our extensive knowledge and never owe an answer.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Berk Partner Bauingenieure Gmbhberk-partner.de HQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 13 contacts → |
“Berk + Partner Bauingenieure GmbH Ingenieurbüro für Tragwerksplanung Tragwerksplanung Bauen im Bestand Revitalisierung Bestandserkundungen” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Darmstadt, GermanyReported employees: 11-50 | Darmstadt, Germany | 11-50 | Exact match | 13 contacts → |
“Wir bieten Ihnen umfassende Beratungsleistungen zur ökologischen, ökonomischen, funktionalen und technischen Optimierung von Bauvorhaben üben den gesamten Lebenszyklus an.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | TGA Bodensee Gmbhtga-bodensee.de HQ: Salem, GermanyReported employees: 51-200 | Salem, Germany | 51-200 | Exact match | 13 contacts → |
“tga bodensee GmbH ist ein Unternehmen, das die Beratung und Umsetzung von zukunftsweisender Haus- und Energietechnik sowohl für Privat- als auch Gewerbekunden anbietet.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Werk.E Energie-Effizienz-Beratungwerk-e.de HQ: Paderborn, GermanyReported employees: 11-50 | Paderborn, Germany | 11-50 | Exact match | 12 contacts → |
“Menschen brauchen Energie.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ITB Gmbhitb-online.de HQ: Senden, GermanyReported employees: 51-200 | Senden, Germany | 51-200 | Exact match | 10 contacts → |
“Seit 1996 sind wir Ihr Ingenieurbüro im Münsterland für die gesamte Abwicklung der technischen Gebäudeausrüstung!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Nuremberg, GermanyReported employees: 11-50 | Nuremberg, Germany | 11-50 | Exact match | 9 contacts → |
“Gemeinsam in eine nachhaltige Zukunft.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | DS Elektrotherm Gmbhelektrotherm.com HQ: Landshut, GermanyReported employees: 201-500 | Landshut, Germany | 201-500 | Exact match | 9 contacts → |
“Die DS elektrotherm GmbH zeichnet sich durch umfangreiches Fachwissen im Bereich Gebäudetechnik und erstklassige Beratung, Planung und Ausführung aus.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 741 company matches
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Retrofit consulting companies: dataset insights
September 29, 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
708 records in the displayed employee bands.
33 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 741 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 29, 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 ↗
Retrofit consulting companies by metro
Questions about this company list
What does Exact match mean for retrofit consulting 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 consulting companies did RevenueBase find based in Germany?
The saved snapshot records 741 matching company records, 2,593 tracked contacts and 739 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 29, 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 consulting companies by geography
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- Retrofit consulting companies based in Calgary, Canada
- Retrofit consulting companies based in Montreal, Canada
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- Retrofit consulting companies based in Vancouver, Canada
- Retrofit consulting companies based in Lyon, France
- Retrofit consulting companies based in Paris, France
- Retrofit consulting companies based in Berlin, Germany
- Retrofit consulting companies based in Hamburg, Germany
Cite this list
RevenueBase Data Team. Top 25 retrofit consulting companies based in Germany. Snapshot: September 29, 2026. https://revenuebase.ai/companies/retrofit-consulting-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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