HEIKA Heizungsbau GmbH installs heating, sanitary and ventilation systems and lays pipelines for district heating. Its project scope includes smaller jobs such as single-family houses as well as larger construction projects including rental housing, commercial parks, hospitals, schools, administrative buildings and shopping parks, and extensive renovation work on residential buildings. The company is based in Dorsten; the main office is registered under HR B 7109 at the local court in Gelsenkirchen and a branch is maintained in Cologne under HR B 10572. In the 2024 financial year the company reported sales of EUR 23,976,593.19 and employed 125 employees at the reporting date (an average of 115 employees).
Bau von Heizungs- Sanitär- und Lüftungsanlagen. Die Gesellschaft kann gleichartige oder ähnliche Unternehmungen erwerben, sich an solchen beteiligen, deren Vertretung übernehmen und Zweigniederlassungen errichten.
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) Gelsenkirchen Local Court, HRB 7109 (as of 30 October 2026)
| Name | Type | City |
|---|---|---|
| Gonschior Frank | Geschäftsführer(in) | Leverkusen |
| Uwe Sahle | Geschäftsführer(in) | Greven |
Source: German Commercial Register (Handelsregister) Gelsenkirchen Local Court, HRB 7109 (as of 30 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 29.01.2025 | Registered Seat Change | Nach Ergänzung der |
| 29.01.2025 | Business Address Change | Zweigniederlassung errichtet unter Firma HEIKA Heizungsbaugesellschaft mit beschränkter Haftung, 51149 Köln, Geschäftsanschrift: Fuggerstraße 39, 51149 Köln |
| 08.04.2014 | Business Address Registered | Am Wasserturm 15, 46282 Dorsten |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 22.01.2003 | Share Capital Set | — | 1.000.000 DM |
Source: German Commercial Register (Handelsregister) Gelsenkirchen Local Court, HRB 7109 (as of 30 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €23,976,593 | -€802,034 | €7,432,944 | — |
| 2023 | €30,470,676 | €564,468 | €7,653,117 | — |
| 2022 | €20,606,344 | €595,734 | €6,881,273 | — |
| 2021 | €24,013,870 | €629,830 | €7,116,784 | — |
| 2020 | €10,447,968 | -€281,823 | €5,341,840 | — |
| 2019 | €23,387,353 | €1,158,264 | €4,687,774 | — |
| 2018 | €18,979,044 | -€941,458 | €4,366,039 | — |
| 2017 | €18,494,982 | -€875,155 | €3,883,241 | — |
| 2016 | €19,466,546 | €623,833 | €5,418,253 | — |
| 2015 | €18,868,432 | €848,684 | €4,723,209 | — |
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Source: German Commercial Register (Handelsregister) Gelsenkirchen Local Court, HRB 7109 (as of 30 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €6,886,768 | 93.8% |
| Depreciation | €409,069 | 5.6% |
| Interest & Similar | €49,779 | 0.7% |
