Koska Bau GmbH, based in Berlin, operates in the construction industry with a specialization in wood and building protection. The company is classified as a small capital company under § 267 Abs. 1 HGB and is managed by Lukasz Koska. In the 2024 financial year, the company generated a gross result of 763,767.26 EUR. Financial reporting follows the total cost method, and the company has exercised its right to forgo the preparation of a management report. Koska Bau GmbH is a family business. The company is a small company under § 267 (1) HGB and is therefore not required to publish a profit-and-loss statement.
Holz- und Bautenschutz.
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) Berlin (Charlottenburg) Local Court, HRB 133360 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| Lukasz Koska | Geschäftsführer(in) | Lubon/Polen |
Source: German Commercial Register (Handelsregister) Berlin (Charlottenburg) Local Court, HRB 133360 (as of 31 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€763.8K2 | €219,773 | €1,183,403 | — |
| 2023 | Rohergebnis€261.3K2 | -€31,861 | €830,774 | — |
| 2022 | Rohergebnis€633.2K2 | €125,527 | €1,065,580 | — |
| 2021 | Rohergebnis€659.3K2 | €232,384 | €783,824 | — |
| 2020 | Rohergebnis€276.4K2 | €50,080 | €537,569 | — |
| 2019 | €1,426,833 | €151,195 | €596,049 | — |
| 2018 | €981,343 | €27,969 | €446,632 | — |
| 2017 | €1,457,314 | -€20,357 | €582,094 | — |
| 2016 | Rohergebnis€517.7K2 | €232,479 | €350,858 | — |
| 2015 | Rohergebnis€38.1K2 | -€167,067 | €276,619 | — |
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) Berlin (Charlottenburg) Local Court, HRB 133360 (as of 31 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €136,160 | 77.7% |
| Depreciation | €33,123 | 18.9% |
| Interest & Similar | €5,970 | 3.4% |
