SD Schulbaugesellschaft Duisburg mbH is domiciled in Duisburg and its sole shareholder is the City of Duisburg. The company's purpose is the construction, renovation and expansion of municipal school buildings and related building measures (e.g. sports halls). The company provides planning and construction execution services under a framework agreement; each project is based on a council resolution and a management contract that fully reimburses incurred costs. As of 31/12/2024 SD employed eight staff (five full-time, three part-time) and its financial statements are included in the City of Duisburg's consolidated financial statements.
die Errichtung, Sanierung und Erweiterung städtischer Schulbauten und sonstiger damit zusammenhängender Hochbaumaßnahmen, wie z. B. Sporthallen
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) Duisburg Local Court, HRB 19183 (as of 1 November 2026)
| Name | Type | City |
|---|---|---|
| Robin Eckardt | Geschäftsführer(in) | Duisburg |
| Björn Metzler | Geschäftsführer(in) | Oberhausen |
Source: German Commercial Register (Handelsregister) Duisburg Local Court, HRB 19183 (as of 1 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 05.03.2026 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 12.05.2023 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 16.10.2020 | Registered Seat Change | Nach Schreibfehlerberichtigung von Amts |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 15.03.2007 | Share Capital Set | — | 25.000 € |
| Date | Contract | Value |
|---|---|---|
| 12.5.2026 | Contracting authority | — |
| 20.4.2026 | Contracting authority · DERICHS u KONERTZ Baugesellschaft mbH u Co. KG | — |
| 23.1.2026 | Generalunternehmerleistungen für die Erweiterungsneubauten der Sekundarschule Am Biegerpark (BIE) in Duisburg Contracting authority | — |
Source: German Commercial Register (Handelsregister) Duisburg Local Court, HRB 19183 (as of 1 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €1,906,097 | €54,683 | €75,102,431 | — |
| 2023 | €1,437,722 | €58,241 | €25,760,584 | — |
| 2022 | €1,007,018 | €35,439 | €7,472,509 | — |
| 2021 | — | €25,433 | €1,829,523 | — |
| 2020 | €314,771 | €28,283 | €620,498 | — |
| 2019 | €0 | -€494 | €9,625 | — |
| 2018 | €0 | -€344 | €10,119 | — |
| 2017 | €0 | -€273 | €10,463 | — |
| 2016 | €0 | €0 | €10,736 | — |
| 2015 | €0 | -€415 | €10,849 | — |
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Source: German Commercial Register (Handelsregister) Duisburg Local Court, HRB 19183 (as of 1 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €1,203,890 | 98.3% |
| Depreciation | €20,499 | 1.7% |
