Renz System-Komplett-Ausbau GmbH, based in Aidlingen, plans, manufactures and implements holistic interior fit-outs for buildings and commercial premises, notably including acoustic, ceiling, lighting and climate components as well as partition wall systems. The company operates in the interior fit-out sector, employed on average 40 workers and 41 salaried employees during the year, and is classified as a medium-sized corporation under § 267 HGB. As a research partner in the RENbuild project, Renz collaborates with universities and technology firms on energy-optimized building conditioning and develops its own climate systems aiming for a building free of external energy. Projects reported for the year include SME project work, a large office property in downtown Hamburg, a high-rise project in the Eifel, general renovations for a major corporation and the start of construction on its own energy research building. Renz System-Komplett-Ausbau GmbH is a family business.
Gegenstand des Unternehmes ist die Planung und Erstellung von Inneneinrichtungen für Gebäude und Geschäftsräume.
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) Stuttgart Local Court, HRB 242845 (as of 2 November 2026)
| Name | Type | City |
|---|---|---|
| Jochen Renz | Geschäftsführer(in) | Dettenhausen |
| Ortrud Renz | Geschäftsführer(in) | Dettenhausen |
Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 242845 (as of 2 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2023 | Rohergebnis€4.8M2 | -€1,976,009 | €37,086,278 | — |
| 2022 | Rohergebnis€6.5M2 | -€765,130 | €19,298,194 | — |
| 2021 | Rohergebnis€8.8M2 | -€11,987 | €18,645,588 | — |
| 2020 | Rohergebnis€9M2 | -€52,000 | €14,526,010 | — |
| 2019 | Rohergebnis€11.1M2 | €1,061,127 | €15,525,586 | — |
| 2018 | Rohergebnis€15.2M2 | €3,701,398 | €15,229,555 | — |
| 2017 | Rohergebnis€10M2 | €116,507 | €18,423,448 | — |
| 2016 | Rohergebnis€8.5M2 | -€72,477 | €7,801,697 | — |
| 2015 | Rohergebnis€8.7M2 | -€6,754 | €6,389,194 | — |
| 2014 | Rohergebnis€9.4M2 | €42,234 | €10,377,435 | — |
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) Stuttgart Local Court, HRB 242845 (as of 2 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €4,713,550 | 98.2% |
| Depreciation | €79,807 | 1.7% |
| Interest & Similar | €8,273 | 0.2% |
