Waermetechnik Leickel GmbH performs technical planning, installation, maintenance and sales of technical systems of all kinds, in particular heating, sanitary and air-conditioning systems, and trades products related to these systems. In the 2023 fiscal year the company achieved revenue of TEURO 16,510 (an increase of TEURO 11 compared with the previous year) and was able to maintain its market position. Revenues were generated predominantly domestically and the company employed an average of 110 staff in 2023. The company's operations during the reporting year were managed by managing director Gerwin Schweppe.
Technische Planung, Errichtung und Wartung und Vertrieb von technischen Anlagen aller Art, insbesondere von Heizungs-, Sanitär- und Klimaanlagen und solchen Anlagen, die damit im Zusammenhang stehen sowie Handel mit allen Erzeugnissen, die sich auf diesen Geschäftsgegenstand beziehen.
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) Bochum Local Court, HRB 9909 (as of 4 November 2026)
| Name | Type | City |
|---|---|---|
| Gerwin Schweppe | Geschäftsführer(in) | Bochum |
Source: German Commercial Register (Handelsregister) Bochum Local Court, HRB 9909 (as of 4 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 19.08.2025 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 17.03.2023 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 03.07.2017 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 03.07.2017 | Capital Decrease | -128.000 € | 384.000 € |
| 09.02.2009 | Capital Decrease | -488.000 € | 512.000 € |
| 13.01.2005 | Share Capital Set | — | 1.000.000 DM |
| Date | Contract | Value |
|---|---|---|
| 28.1.2025 | Supplier · WasserWelten Bochum GmbH | 1.350.429 € |
| 17.1.2025 | Supplier · Städtisches Klinikum Solingen gemeinnützige GmbH | — |
Source: German Commercial Register (Handelsregister) Bochum Local Court, HRB 9909 (as of 4 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €16,880,891 | €1,143,942 | €5,916,063 | — |
| 2023 | €16,509,652 | €1,060,018 | €7,842,064 | — |
| 2022 | Rohergebnis€8.9M2 | €1,227,936 | €8,313,410 | — |
| 2021 | Rohergebnis€9.4M2 | €1,556,896 | €7,439,974 | — |
| 2020 | Rohergebnis€8M2 | €1,063,093 | €5,924,663 | — |
| 2019 | Rohergebnis€8.2M2 | €1,342,577 | €5,639,117 | — |
| 2018 | Rohergebnis€7.3M2 | €969,205 | €4,832,015 | — |
| 2017 | — | €747,768 | €4,103,573 | — |
| 2016 | — | €567,783 | €3,986,785 | — |
| 2015 | — | €595,095 | €3,420,953 | — |
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) Bochum Local Court, HRB 9909 (as of 4 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €6,644,872 | 44.5% |
| Material Costs | €8,030,781 | 53.8% |
| Depreciation | €251,458 | 1.7% |
