Ludwig Hammer GmbH plans and executes building services installations of all kinds, in particular heating, ventilation, air conditioning and sanitary engineering, building automation and contract-based service offerings. The company is structured into three operating units: Anlagenbau, Service and MSR (measurement, control, regulation) and offers trades for heating, RLT, cooling and sanitation including the necessary control technology. Projects are mainly carried out for private clients and to a lesser extent for public clients; in fiscal year 2022 the company generated revenues of EUR 48,401,508.10. Since August 2022 Ludwig Hammer GmbH has been part of VINCI Energies Deutschland Building Solutions GmbH and expects benefits for the further development of its TGA expertise in Germany.
die Planung und Ausführung von gebäudetechnischen Anlagen aller Art, insbesondere auf dem Gebiet der Heizungs-, Lüftungs-, Klima- und Sanitärtechnik, Gebäudeautomation sowie objektgebundene Dienst- oder Serviceleistungen. Die Gesellschaft verwaltet Grund- und Kapitalvermögen sowie Unternehmensbeteiligungen.
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
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Source: German Commercial Register (Handelsregister) Aschaffenburg Local Court, HRB 7429 (as of 1 November 2026)
| Name | Type | City |
|---|---|---|
| Olaf Walter | Geschäftsführer(in) | Bobenheim-Roxheim |
Source: German Commercial Register (Handelsregister) Aschaffenburg Local Court, HRB 7429 (as of 1 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2022 | €48,401,508 | -€831,589 | €14,433,952 | — |
| 2021 | €31,995,024 | €1,588,622 | €23,451,173 | — |
| 2020 | Rohergebnis€14.8M2 | €2,037,272 | €21,021,821 | — |
| 2019 | Rohergebnis€11.2M2 | €121,925 | €27,008,431 | — |
| 2018 | Rohergebnis€12.6M2 | €1,068,351 | €20,827,313 | — |
| 2017 | Rohergebnis€13.1M2 | €1,883,962 | €25,312,348 | — |
| 2016 | Rohergebnis€11M2 | €981,458 | €22,402,191 | — |
| 2015 | Rohergebnis€9.9M2 | €232,582 | €26,434,550 | — |
| 2014 | Rohergebnis€12M2 | €2,141,416 | €17,190,325 | — |
| 2013 | Rohergebnis€10.2M2 | €957,631 | €14,906,437 | — |
2 Rohergebnis nach § 276 HGB: Umsatzerlöse abzüglich Materialaufwand bzw. Herstellungskosten. Kleine und mittelgroße Kapitalgesellschaften dürfen diese Posten zusammenfassen; die Umsatzerlöse selbst sind dann nicht veröffentlicht und liegen über dem Rohergebnis.
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Source: German Commercial Register (Handelsregister) Aschaffenburg Local Court, HRB 7429 (as of 1 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €9,676,256 | 31.9% |
| Material Costs | €20,532,720 | 67.6% |
| Depreciation | €116,093 | 0.4% |
| Interest & Similar | €42,949 | 0.1% |
