GTMB Metallteilfertigung GmbH, based in Treuenbrietzen, is a medium-sized company in the metalworking industry producing series parts and assemblies from metals and other materials. The company manufactures complex CNC turning and CNC milling parts as well as assemblies in small and medium series using state-of-the-art machinery. Customers include well-known German large corporations in machinery and plant engineering, commercial vehicle manufacturing, the electrical industry and in alternative and conventional energy technologies; in power distribution GTMB supplies, among others, ABB and Siemens. The company is 100% owned by palero zwanzig GmbH (sale on January 15, 2024) and has long-standing expertise in processing copper materials, high-strength materials and delicate products from aluminum casting.
Die Serienfertigung von Teilen und Baugruppen aus Metallen und sonstigen Werkstoffen.
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) Potsdam Local Court, HRB 10107 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| Matthias Grieger | Geschäftsführer(in) | Berlin |
| Stefan Hauer | Geschäftsführer(in) | Pfaffstätten, Österreich |
| Kai Klettnig | Geschäftsführer(in) | Schwielowsee |
Source: German Commercial Register (Handelsregister) Potsdam Local Court, HRB 10107 (as of 31 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€17.2M2 | €870,490 | €11,061,405 | 156 |
| 2023 | Rohergebnis€15.4M2 | €602,084 | €9,732,384 | 155 |
| 2022 | Rohergebnis€14.5M2 | €1,347,373 | €12,824,805 | 169 |
| 2021 | Rohergebnis€13.2M2 | €1,453,702 | €12,416,163 | — |
| 2017 | Rohergebnis€10.3M2 | €723,137 | €7,784,995 | 135 |
| 2016 | Rohergebnis€9.6M2 | €150,256 | €7,274,757 | — |
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) Potsdam Local Court, HRB 10107 (as of 31 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €8,717,014 | 85.4% |
| Depreciation | €1,140,818 | 11.2% |
| Interest & Similar | €353,751 | 3.5% |
