Climtech GmbH, based in Berlin, was founded in 1999 and provides cross‑trade installation services in heating, ventilation and sanitary systems as well as in refrigeration. Its service portfolio also includes building automation with in‑house control cabinet construction, planning and project management, and comprises repair, maintenance and long‑term service contracts. Customers include industry, commercial enterprises and the public sector, and the company operates a 24‑hour emergency phone for rapid responses in urgent situations. Research and development is not part of the business activities; the management report further describes the company as having supra‑regional market acceptance and a good reputation among employees and suppliers.
Die Erbringung von Dienstleistungen aller Art im Bereich von Service und Wartung für versorgungstechnische Anlagen sowie Planungs- und Projektsteuerungsleistungen in diesem Bereich.
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) Berlin (Charlottenburg) Local Court, HRB 76301 (as of 2 November 2026)
| Name | Type | City |
|---|---|---|
| Wolfgang Heinke | Geschäftsführer(in) | Königs Wusterhausen |
| David Meyer | Geschäftsführer(in) | Berlin |
| Sten-Arne Saß | Geschäftsführer(in) | Lübeck |
| Jörg Trepsdorf | Geschäftsführer(in) | Königs Wusterhausen |
Source: German Commercial Register (Handelsregister) Berlin (Charlottenburg) Local Court, HRB 76301 (as of 2 November 2026)
| Date | Contract | Value |
|---|---|---|
| 11.7.2025 | Supplier · Senatsverwaltung für Stadtentwicklung, Bauen und Wohnen, V M 1 - Vergabestelle für den Öffentlichen Hochbau | 299.316 € |
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2023 | Rohergebnis€12.6M2 | €834,100 | €7,513,445 | — |
| 2022 | Rohergebnis€11.6M2 | €930,529 | €6,974,670 | — |
| 2021 | Rohergebnis€9.2M2 | €504,656 | €3,824,697 | — |
| 2020 | small company1 | €163,159 | €4,764,123 | — |
| 2019 | small company1 | €177,172 | €3,121,068 | — |
| 2018 | — | €327,599 | €3,450,928 | — |
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) Berlin (Charlottenburg) Local Court, HRB 76301 (as of 2 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €8,190,886 | 93.9% |
| Depreciation | €330,449 | 3.8% |
| Interest & Similar | €203,090 | 2.3% |
