The group operates in the field of bulk metal forming, with core activities in the production of warm-rolled stainless steel rings. Its products are used in the rolling bearing industry, gear manufacturing, aerospace and general mechanical and plant engineering. In addition to rings, the group manufactures blank steel in rings and bars and operates a drawing mill. Herbert Heinrich Verwaltungsgesellschaft m.b.H. is based in Luedenscheid, registered at the local court Iserlohn (HRB 6143), and consolidates 100% of Platestahl Umformtechnik GmbH.
Der Erwerb, das Halten und Verwalten einschließlich der Veräußerung von Vermögensgegenständen aller Art, insbesondere von Unternehmensbeteiligungen und Immobilien.
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) Iserlohn Local Court, HRB 6143 (as of 29 October 2026)
| Name | Type | City |
|---|---|---|
| Stefan Heimöller | Geschäftsführer(in) | Neuenrade |
| Maximilian Schmerbeck | Geschäftsführer(in) | Plettenberg |
| Company | Location |
|---|---|
 Platestahl Umformtechnik GmbH | Lüdenscheid |
Source: German Commercial Register (Handelsregister) Iserlohn Local Court, HRB 6143 (as of 29 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €31,377,928 | -€548,946 | €43,724,995 | — |
| 2023 | €41,715,375 | €1,758,340 | €61,184,199 | — |
| 2022 | €57,171,295 | €2,802,700 | €62,063,568 | — |
| 2021 | €42,294,236 | €1,954,809 | €65,509,814 | — |
| 2020 | €37,135,153 | €1,548,920 | €62,915,528 | — |
| 2019 | €42,645,119 | €580,810 | €61,042,256 | — |
| 2018 | €51,458,331 | €3,502,998 | €63,086,851 | — |
| 2017 | €46,123,352 | €3,503,627 | €63,399,333 | — |
| 2016 | €40,924,841 | €1,922,855 | €59,088,815 | — |
| 2015 | €44,749,950 | €2,867,809 | €57,460,904 | — |
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Source: German Commercial Register (Handelsregister) Iserlohn Local Court, HRB 6143 (as of 29 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €12,957,922 | 43.9% |
| Material Costs | €14,256,871 | 48.3% |
| Depreciation | €2,282,534 | 7.7% |
| Interest & Similar | €16,437 | 0.1% |
