Klostermann Service GmbH is based in Gelsenkirchen and is registered in the commercial register at the Local Court of Gelsenkirchen under HRB 3377. The company’s object includes installation, sales and storage of advertising systems, orientation systems, banners, letters, neon illuminated advertising and signs, as well as the manufacture of parts for such systems. According to the management report, the company provides full-service solutions from planning and permit handling to procurement, installation and subsequent maintenance, and acts as a general contractor on some projects. In recent years the service portfolio was expanded to include the construction and maintenance of e-mobility infrastructure, and high demand from the e-mobility sector significantly contributed to the 2024 revenue increase. Klostermann Service GmbH is a family business.
Montage, der Vertrieb und die Lagerung von Werbeanlagen, Orientierungssystemen, Transparenten, Buchstaben, Neon-Leuchtwerbung und Schildern sowie die Herstellung von Teilen für solche Anlagen.
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) Gelsenkirchen Local Court, HRB 3377 (as of 30 October 2026)
| Name | Type | City |
|---|---|---|
| Ludger Klostermann | Geschäftsführer(in) | Witten |
| Wilhelm Nierhoff | Geschäftsführer(in) | Hagen |
Source: German Commercial Register (Handelsregister) Gelsenkirchen Local Court, HRB 3377 (as of 30 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€5.2M2 | €688,125 | €10,465,703 | — |
| 2023 | Rohergebnis€5.5M2 | €1,021,117 | €9,302,496 | — |
| 2022 | Rohergebnis€3.8M2 | -€324,673 | €7,595,105 | — |
| 2021 | Rohergebnis€3.6M2 | -€969,785 | €6,680,254 | — |
| 2020 | Rohergebnis€5.4M2 | €454,257 | €8,314,988 | — |
| 2019 | Rohergebnis€4.8M2 | €141,210 | €7,690,438 | — |
| 2018 | Rohergebnis€5.3M2 | €485,888 | €7,448,828 | — |
| 2017 | Rohergebnis€5.8M2 | €752,597 | €8,023,421 | — |
| 2016 | Rohergebnis€4.8M2 | €283,975 | €7,303,801 | — |
| 2015 | Rohergebnis€5.1M2 | €317,334 | €9,111,775 | — |
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) Gelsenkirchen Local Court, HRB 3377 (as of 30 October 2026)
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| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €2,750,795 | 95.1% |
| Depreciation | €139,286 | 4.8% |
| Interest & Similar | €2,300 | 0.1% |
