Ostertag DeTeWe Group GmbH is headquartered in Walddorfhaeslach and is registered in the commercial register of the local court of Stuttgart under HRB 765917. The consolidated financial statements include the parent company as well as Ostertag DeTeWe Holding GmbH and the operating company Ostertag DeTeWe GmbH. The group operates as an ICT systems house that plans, installs and operates complex ICT solutions; its services include a dedicated cloud portfolio and managed services. In the 2023 financial year the group reported revenues of EUR 77.9 million and targets medium-sized companies, public clients and DAX-listed corporations in Germany.
Erwerb, Halten, Verwalten und Verwerten von Beteiligungen und Vermögensanlagen in eigenem Namen und auf eigene Rechnung, sowie das Erbringen von Dienstleistungen im Zusammenhang damit
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 765917 (as of 19 August 2026)
| Name | Type | City |
|---|---|---|
| Cedric Balzar | Geschäftsführer(in) | Ratingen |
| Manuel Hernandez | Geschäftsführer(in) | Rinteln |
| Company | Location |
|---|---|
 Ostertag DeTeWe GmbH | Düsseldorf |
| Ostertag DeTeWe Holding GmbH | Düsseldorf |
Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 765917 (as of 19 August 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €69,467,368 | -€4,169,680 | €46,807,130 | — |
| 2023 | €77,869,623 | -€7,792,354 | €47,230,155 | — |
| 2022 | €88,006,962 | -€6,519,769 | €51,978,920 | — |
| 2021 | €89,350,720 | -€4,594,955 | €65,227,813 | — |
| 2020 | €90,988,887 | -€3,119,189 | €70,559,168 | — |
| 2019 | €99,046,168 | -€1,533,578 | €71,382,110 | — |
| 2018 | €66,227,366 | -€1,228,451 | €69,966,044 | — |
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Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 765917 (as of 19 August 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €19,152,525 | 76.9% |
| Depreciation | €3,318,467 | 13.3% |
| Interest & Similar | €2,419,295 | 9.7% |
