Buenger Bau- und Projektmanagement GmbH provides construction and project management services including real estate administration in accordance with § 2 of the articles of association. Since 2005 it has conducted construction and project management for Industrieterrains Düsseldorf-Reisholz AG (IDR AG) and develops construction projects essentially on behalf of IDR AG. The company also manages its own real estate (e.g., Benrath property) and employed on average 13 staff in the 2024 fiscal year. It is based in Düsseldorf; the share capital is EUR 125,000 and Buenger GmbH is 100% owned by IDR AG.
Leistungen im Bereich des Bau- und Projektmanagements einschließlich Tätigkeiten der Immobilienverwaltung.
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) Düsseldorf Local Court, HRB 396 (as of 1 November 2026)
| Name | Type | City |
|---|---|---|
| Manfred Kornfeld | Geschäftsführer(in) | Mülheim an der Ruhr |
| Ekkehard Vincon | Geschäftsführer(in) | Meerbusch |
Source: German Commercial Register (Handelsregister) Düsseldorf Local Court, HRB 396 (as of 1 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 23.02.2011 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 17.07.2009 | Business Address Registered | Henkelstr. 164, 40589 Düsseldorf |
| 04.10.2006 | Company Name Change | Bünger Bau- und Projektmanagement GmbH |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 29.01.2003 | Capital Decrease | -115.000 € | 125.000 € |
| 27.01.2003 | Share Capital Set | — | 240.000 DM |
Source: German Commercial Register (Handelsregister) Düsseldorf Local Court, HRB 396 (as of 1 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2025 | €156,496,806 | €1,860,020 | €7,397,618 | — |
| 2024 | €48,574,840 | €305,174 | €113,759,758 | 13 |
| 2023 | €4,215,692 | €234,518 | €58,652,460 | 10 |
| 2022 | €8,693,253 | €485,163 | €11,280,900 | 12 |
| 2021 | €19,632,555 | €1,578,723 | €3,896,923 | 12 |
| 2020 | €2,046,120 | €63,847 | €12,626,084 | 11 |
| 2019 | €1,352,694 | €57,737 | €2,657,248 | 11 |
| 2018 | €7,036,916 | — | €2,779,080 | 11 |
| 2017 | €1,432,976 | — | €2,627,666 | 11 |
| 2016 | €7,939,545 | — | €2,996,992 | 11 |
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Source: German Commercial Register (Handelsregister) Düsseldorf Local Court, HRB 396 (as of 1 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €1,387,509 | 3.2% |
| Material Costs | €41,781,728 | 96.8% |
| Depreciation | €254 | 0.0% |
