Althoff Industrie- und Verwaltungsbau GmbH develops and constructs industrial, commercial and administrative buildings as a general contractor, particularly using steel elements. Its clients are medium-sized entrepreneurs and the company operates nationwide and in Europe, directly addressing the Polish market where only about €211,000 of orders were processed in 2023. Total performance in fiscal year 2023 amounted to €29.8 million (2022: €26.4 million) and net income increased to €758,149.25 (2022: €169,144.11). On average 41 employees were employed in 2023, and commercially the company uses 3D visualizations as well as augmented reality (AR) and virtual reality (VR).
Die Planung und das Erstellen von Industrie-, Verwaltungs- und Kommunalbauten, und zwar insbesondere aus Stahlelementen.
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) Arnsberg Local Court, HRB 3501 (as of 30 October 2026)
| Name | Type | City |
|---|---|---|
| Stephan Laarmann | Geschäftsführer(in) | Nordkirchen |
Source: German Commercial Register (Handelsregister) Arnsberg Local Court, HRB 3501 (as of 30 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2025 | Rohergebnis€12.5M2 | €1,783,289 | €10,612,477 | 47 |
| 2024 | Rohergebnis€8.7M2 | €293,967 | €15,537,157 | 42 |
| 2023 | Rohergebnis€7.2M2 | €764,667 | €11,953,474 | 41 |
| 2022 | Rohergebnis€5.7M2 | €174,288 | €12,150,623 | 41 |
| 2021 | Rohergebnis€6.3M2 | €423,448 | €7,696,616 | 36 |
| 2020 | Rohergebnis€5.8M2 | €318,034 | €9,068,895 | 34 |
| 2019 | Rohergebnis€5M2 | €166,180 | €9,154,206 | 35 |
| 2018 | Rohergebnis€3.9M2 | -€217,820 | €7,644,685 | 33 |
| 2017 | Rohergebnis€4.6M2 | €292,538 | €8,174,276 | 30 |
| 2016 | Rohergebnis€4.8M2 | €559,151 | €8,937,071 | 26 |
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) Arnsberg Local Court, HRB 3501 (as of 30 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €4,253,268 | 96.5% |
| Depreciation | €116,288 | 2.6% |
| Interest & Similar | €39,902 | 0.9% |
