WERU GmbH, based in Rudersberg, is a well-known manufacturer of high-quality windows and doors made of plastic, aluminum, and plastic-aluminum. The company produces at its sites in Rudersberg and Triptis and distributes its products primarily domestically and in neighboring European countries. Since 2021, the company has been part of the Danish Dovista A/S, which belongs to VKR Holding A/S, via Finestra GmbH. In the 2021 financial year, the company sold the UNILUX Group as well as brand and technology rights to the parent company.
Die Herstellung und der Vertrieb von Fenstern, Fensterelementen und Türen sowie Zubehör und die Erbringung damit im Zusammenhang stehender Dienstleistungen, der Handel mit solchen Waren, die Herstellung oder Beschaffung von Rohstoffen, die bei der Fabrikation dieser Waren benötigt werden.
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) Stuttgart Local Court, HRB 741544 (as of 9 August 2026)
| Name | Type | City |
|---|---|---|
| Adnan Cuk | Geschäftsführer(in) | Stuttgart |
| Frank Fleissner | Geschäftsführer(in) | Rudersberg |
| Tobias Pfoh | Geschäftsführer(in) | Stuttgart |
| Company | Location |
|---|---|
 Porsche GmbH Fenster und Türen | Kempten (Allgäu) |
| Triptis |
Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 741544 (as of 9 August 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2021 | €169,601,694 | — | €51,439,962 | — |
| 2020 | €162,428,928 | — | €70,155,203 | — |
| 2019 | €159,357,081 | — | €64,701,274 | — |
| 2018 | €160,987,457 | — | €82,365,809 | — |
| 2017 | €170,384,798 | — | €92,004,642 | — |
| 2016 | €172,253,753 | — | €81,512,645 | — |
| 2015 | €171,911,607 | -€5,022,507 | €82,819,004 | — |
| 2014 | €161,595,796 | -€2,819,349 | €92,813,854 | — |
| 2013 | €137,030,579 | €2,670,336 | €87,114,849 | — |
| 2012 | €139,394,638 | €2,656,614 | €85,626,784 | — |
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Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 741544 (as of 9 August 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €58,750,260 | 24.4% |
| Material Costs | €173,453,819 | 72.1% |
| Depreciation | €4,769,328 | 2.0% |
| Interest & Similar | €3,490,070 | 1.5% |
