Tillmann & Co. Tiefbaugesellschaft mbH is an owner-managed family company based in Recklinghausen with, according to the management report, more than 130 years of experience in the construction industry. The company operates in the business areas of utility infrastructure, sewer construction, road and traffic way construction, and earthworks and provides services from planning through construction. Customers include municipalities, utility companies, wastewater companies, commercial and industrial businesses as well as private clients. Approximately 125 employees and a continually reinvested machinery fleet are cited as central success factors.
sämtliche Leistungen, im Tiefbau, der An- und Verkauf, die An- und Vermietung entsprechender Maschinen und Geräte, sowie die Erledigung aller damit im Zusammenhang stehenden Geschäfte.
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) Recklinghausen Local Court, HRB 366 (as of 3 November 2026)
| Name | Type | City |
|---|---|---|
| Karsten Sieger | Geschäftsführer(in) | Südlohn |
Source: German Commercial Register (Handelsregister) Recklinghausen Local Court, HRB 366 (as of 3 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 12.03.2020 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 11.11.2013 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 07.01.2009 | Business Address Change | Zum Wetterschacht 48, 45659 Recklinghausen |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 11.11.2013 | Capital Increase | +10.900 € | 420.000 € |
| 16.12.2008 | Capital Decrease | -390.900 € | 409.100 € |
| 30.09.2003 | Share Capital Set | — | 800.000 DM |
Source: German Commercial Register (Handelsregister) Recklinghausen Local Court, HRB 366 (as of 3 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2025 | Rohergebnis€13.2M2 | €485,081 | €9,851,411 | — |
| 2024 | Rohergebnis€11.9M2 | €505,680 | €8,535,336 | — |
| 2023 | Rohergebnis€10.4M2 | €351,560 | €8,403,692 | — |
| 2022 | Rohergebnis€8.3M2 | €240,055 | €6,649,060 | — |
| 2021 | small company1 | — | €4,957,709 | — |
| 2020 | small company1 | — | €5,236,156 | — |
| 2019 | small company1 | — | €5,391,520 | — |
| 2018 | small company1 | — | €4,875,636 | — |
| 2017 | small company1 | — | €4,526,587 | — |
| 2016 | small company1 | — | €4,129,161 | — |
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) Recklinghausen Local Court, HRB 366 (as of 3 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €7,934,934 | 94.9% |
| Depreciation | €335,226 | 4.0% |
| Interest & Similar | €93,467 | 1.1% |
