Doerr GmbH was founded in 1993 and is based in Saalfeld; the company presents itself as a regional full-service provider in energy and building technology. Its service range includes planning, installation, maintenance and service in heating and sanitary systems as well as ventilation, air conditioning and electrical installations. The company serves both private and commercial customers across Germany and executes work with in-house staff and selected subcontractors. Doerr GmbH also holds the SCC-VAZ 2021 certificate, which is annually supervised by TÜV Thüringen.
die Erstellung sanitärer Anlagen, der Gas-, Einzel- und Zentralheizungsbau, der Bau von Lüftungs- und Klimaanlagen und die Bauklempnerei sowie die Ausführung sämtlicher Arbeiten im Elektroinstallationshandwerk
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) Jena Local Court, HRB 204263 (as of 1 November 2026)
| Name | Type | City |
|---|---|---|
| Gunter Anding | Geschäftsführer(in) | Rudolstadt |
Source: German Commercial Register (Handelsregister) Jena Local Court, HRB 204263 (as of 1 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 14.11.2017 | Business Address Registered | Am Läusebach 4, 07318 Saalfeld/Saale |
| 27.04.2006 | Company Name Registered | Dörr GmbH |
| 27.04.2006 | Registered Seat | Saalfeld/Saale |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 27.04.2006 | Share Capital Set | — | 50.000 DM |
Source: German Commercial Register (Handelsregister) Jena Local Court, HRB 204263 (as of 1 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€7.9M2 | €521,580 | — | 84 |
| 2023 | Rohergebnis€8.1M2 | €1,272,358 | €6,963,944 | 86 |
| 2022 | Rohergebnis€7.1M2 | €721,056 | €4,856,939 | 84 |
| 2021 | Rohergebnis€5.3M2 | €77,869 | €6,755,361 | 76 |
| 2020 | small company1 | €349,942 | €3,677,022 | 73 |
| 2019 | small company1 | €106,658 | €3,766,301 | 76 |
| 2018 | small company1 | €254,012 | €3,571,876 | 72 |
| 2017 | small company1 | €445,994 | €3,797,527 | 70 |
| 2016 | small company1 | €24,811 | €3,313,512 | 69 |
| 2015 | small company1 | €821,403 | €4,244,543 | — |
1 Small companies are not required to publish a profit-and-loss statement (§ 326 (1) HGB). The figure shown is the statutory ceiling under § 267 HGB where the balance-sheet total makes it binding — a company may exceed at most one of the three size criteria.
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) Jena Local Court, HRB 204263 (as of 1 November 2026)
HRS Ingenieur- und Rohrleitungsbau GmbH
Au i.d. Hallertau · Gas-, Wasser-, Heizungs- sowie Lüftungs- und Klimainstallation
S + H Stelzig GmbH
Nürnberg · Gas-, Wasser-, Heizungs- sowie Lüftungs- und Klimainstallation
Haberthaler GmbH
Anzing · Gas-, Wasser-, Heizungs- sowie Lüftungs- und Klimainstallation
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €5,329,685 | 97.4% |
| Depreciation | €114,185 | 2.1% |
| Interest & Similar | €27,277 | 0.5% |
