Watercryst Wassertechnik GmbH develops, manufactures and sells chemical-free scale protection devices; in the 2024 fiscal year the company achieved revenues of EUR 23,342,325.97. BIOCAT products are marketed mainly in Germany, Austria and Switzerland via a three-tier distribution channel including specialist retailers; local sanitary and heating installers provide advice and installation. The devices are used in single-family homes as well as in large residential complexes, industrial plants, hospitals, nursing homes, hotels and thermal baths; the average number of employees during the fiscal year was 88. The company holds a 100% interest in WCR Technologie GmbH and is expanding production, with assets under construction amounting to TEUR 766 and investment payments of TEUR 1,461 reported at year-end. Business succession at Watercryst Wassertechnik GmbH is currently open.
Die Entwicklung, Produktion und der Verkauf von Geräten der Wassertechnik, insbesondere chemiefreien Kalkschutzgeräten.
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) Wuppertal Local Court, HRB 32142 (as of 27 October 2026)
| Name | Type | City |
|---|---|---|
| Jobst-Hermann Heyer | Geschäftsführer(in) | Haan |
| Georg Rosin | Geschäftsführer(in) | Langenfeld |
| Philipp von Kuk | Geschäftsführer(in) | Innsbruck |
Source: German Commercial Register (Handelsregister) Wuppertal Local Court, HRB 32142 (as of 27 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 07.10.2021 | Company Name Change | Watercryst Wassertechnik GmbH |
| 07.10.2021 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 29.09.2021 | Company Name Registered | Watercryst GmbH |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 07.10.2021 | Capital Increase | +1.000 € | 400.000 € |
| 29.09.2021 | Share Capital Set | — | 399.000 € |
Source: German Commercial Register (Handelsregister) Wuppertal Local Court, HRB 32142 (as of 27 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2025 | €29,796,232 | €2,685,877 | €14,426,135 | — |
| 2024 | €23,342,326 | €897,734 | €12,866,549 | — |
| 2023 | €22,353,463 | €822,825 | €12,463,889 | — |
| 2022 | €20,754,417 | €2,120,285 | €11,027,826 | — |
| 2021 | €16,616,368 | €2,013,319 | €8,641,996 | — |
| 2020 | €16,616,368 | €2,013,319 | €8,641,996 | — |
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Source: German Commercial Register (Handelsregister) Wuppertal Local Court, HRB 32142 (as of 27 October 2026)
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Siempelkamp Transport Systems GmbH
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| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €7,063,749 | 87.2% |
| Depreciation | €1,023,877 | 12.6% |
| Interest & Similar | €14,300 | 0.2% |
