Michael Riedel Transformatorenbau GmbH was founded in 1973 and conducts development, manufacturing and sales of electronic components and assemblies as well as production of inductive components and power supplies including associated engineering. In fiscal year 2024 the company reported revenues of TEUR 12,965, about 75% of which were domestic, and recorded a revenue decline of approximately 22% versus 2023. Order intake in 2024 amounted to TEUR 10,433 (down about 3% year-on-year) and the order backlog at the balance sheet date was TEUR 4,484, equivalent to roughly three months of revenue; as of 31 December 2024 the company employed 95 people. Equity ratio was 59%, cash at banks amounted to TEUR 327, a silent factoring agreement was concluded in July 2024 and on 20 December 2024 the sale of the shares to AQ Group AB was agreed subject to regulatory approvals. The company is a small company under § 267 (1) HGB and is therefore not required to publish a profit-and-loss statement.
die Entwicklung, die Herstellung und der Vertrieb elektronischer Bauelemente und Baugruppen sowie alle damit in technischem und wirtschaftlichem Zusammenhang stehenden Geschäfte und die Herstellung und der Vertrieb von induktiven Bauelementen und Stromversorgungen, damit verbundenes Engineering sowie alle in technischem und wirtschaftlichem 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) Stuttgart Local Court, HRB 727419 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| Rolf Ericsson | Geschäftsführer(in) | Enköping |
| Wulf Heuschen | Geschäftsführer(in) | Wolken |
Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 727419 (as of 31 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 06.05.2025 | Company Name Change | AQ Riedel Trafobau GmbH |
| 06.05.2025 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 02.09.2009 | Business Purpose Update | die Entwicklung, die Herstellung und der Vertrieb elektronischer Bauelemente und Baugruppen sowie alle damit in technischem und wirtschaftlichem Zusammenhang stehenden Geschäfte und die Herstellung und der Vertrieb von induktiven Bauelementen und Stromversorgungen, damit verbundenes Engineering sowie alle in technischem und wirtschaftlichem Zusammenhang stehenden Geschäfte |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 23.09.2008 | Share Capital Set | — | 25.000 € |
Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 727419 (as of 31 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€6.9M2 | €966,864 | €4,859,597 | — |
| 2023 | Rohergebnis€8M2 | €1,040,826 | €5,942,985 | — |
| 2022 | Rohergebnis€5.9M2 | €17,944 | €5,335,898 | — |
| 2021 | small company1 | €0 | €4,566,944 | — |
| 2020 | small company1 | €0 | €4,154,925 | — |
| 2019 | Rohergebnis€5.5M2 | €428,438 | €4,638,859 | — |
| 2018 | Rohergebnis€6.7M2 | €1,561,002 | €4,523,307 | — |
| 2017 | Rohergebnis€5.8M2 | €893,298 | €6,011,964 | — |
| 2016 | small company1 | — | €5,230,249 | — |
| 2015 | small company1 | — | €5,573,816 | — |
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 727419 (as of 31 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €4,572,965 | 96.6% |
| Depreciation | €111,819 | 2.4% |
| Interest & Similar | €50,783 | 1.1% |
