Jan Witt GmbH provides all services in roofing, carpentry (Zimmerei) and plumbing works for buildings in Schleswig-Holstein. Its service scope includes roof works, thermal insulation, timber and carpentry tasks as well as installation and maintenance of roof windows; the core competence is energy-efficient roof renovations for non-commercial customers. The family business was re‑opened in 2011 and now operates in its third generation. In the 2024 financial year the company generated revenue of EUR 19.3 million and employed on average 153 persons. Jan Witt GmbH is a family business.
Dachdeckerei, Gerüstbau, Bauklempnerei, Holz- und Trockenbau, Maler- und Tischlerarbeiten, Garten- und Landschaftsbau, Tiefbau sowie Kauf und Verkauf von lmmobilien.
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) Kiel Local Court, HRB 18756 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| Fynn Staben | Geschäftsführer(in) | Jevenstedt |
| David Stettin | Geschäftsführer(in) | Haale |
| Jan Witt | Geschäftsführer(in) | Jevenstedt |
Source: German Commercial Register (Handelsregister) Kiel Local Court, HRB 18756 (as of 31 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 02.06.2025 | Business Purpose Update | Dachdeckerei, Gerüstbau, Bauklempnerei, Holz- und Trockenbau, Maler- und Tischlerarbeiten, Garten- und Landschaftsbau, Tiefbau sowie Kauf und Verkauf von lmmobilien. |
| 02.06.2025 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 15.06.2017 | Company Name Registered | Jan Witt GmbH |
| Date | Contract | Value |
|---|---|---|
| 18.8.2026 | Supplier · Stadt Wilster über das Amt Wilstermarsch | 41.496 € |
| 22.8.2025 | Supplier · Tewis Projektmanagement GmbH | 1.439.796 € |
Source: German Commercial Register (Handelsregister) Kiel Local Court, HRB 18756 (as of 31 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€11.9M2 | €178,149 | €8,038,690 | — |
| 2023 | Rohergebnis€10.6M2 | €259,605 | €7,129,073 | — |
| 2022 | Rohergebnis€9.2M2 | €1,012,609 | €7,072,522 | — |
| 2021 | Rohergebnis€7.8M2 | €1,008,931 | €5,665,581 | — |
| 2020 | Rohergebnis€6.3M2 | €1,082,532 | €5,190,549 | — |
| 2019 | small company1 | €816,478 | €3,455,012 | — |
| 2018 | small company1 | €803,768 | €2,785,448 | — |
| 2017 | small company1 | €258,264 | €993,029 | — |
| 2016 | — | €0 | €12,500 | — |
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) Kiel Local Court, HRB 18756 (as of 31 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €8,436,446 | 93.0% |
| Depreciation | €606,688 | 6.7% |
| Interest & Similar | €26,794 | 0.3% |
