Claus Heinemann Elektroanlagen GmbH, headquartered in Unterföhring (headquarters since 1985), has served customers since 1902 and provides planning and execution of electrical installations of all kinds. The company delivers solutions in electrical installations, network and communication systems, building services and intelligent home control, and operates an e‑mobility business for charging infrastructure under the ChargeOne brand. At the balance sheet date 31.12.2023 the company employed 522 staff (including 40 apprentices), realized total output in 2023 with 793 customers and maintains 494 maintenance contracts (prior year 515). The net order backlog amounted to around EUR 100 million at the reporting date and—according to the management report—secures capacity utilization well into 2025.
Projektierung und Ausführung von Elektroinstallationen aller Art einschließlich Netzwerktechnik und Brandmeldeanlagen sowie Ausübung aller mit einem Elektronistallationsunternehmen zusammenhängenden Tätigkeiten.
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) München Local Court, HRB 53040 (as of 27 October 2026)
| Name | Type | City |
|---|---|---|
| Robert Klug | Geschäftsführer(in) | München |
| Hans Roth | Geschäftsführer(in) | München |
Source: German Commercial Register (Handelsregister) München Local Court, HRB 53040 (as of 27 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 25.08.2016 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 03.01.2014 | Business Address Change | Siedlerstr. 2, 85774 Unterföhring |
| 17.02.2010 | Business Address Registered | Jahnstr. 2, 85774 Unterföhring |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 25.08.2016 | Capital Increase | +336.000 € | 390.000 € |
| 29.06.2006 | Capital Increase | +2.000 € | 54.000 € |
| 15.01.2003 | Capital Decrease | -48.000 € | 52.000 € |
| Date | Contract | Value |
|---|---|---|
| 7.5.2025 | Supplier · Landeshauptstadt München, Baureferat | 4.979.068 € |
| 28.4.2025 | Supplier · Landratsamt Esslingen - Amt für Kreisimmobilien und Hochbau | — |
| 2.4.2025 | Starkstromanlagen Supplier · Landeshauptstadt München vertreten durch MRG Münchner Raumentwicklungsgesellschaft mbH | 2.033.792 € |
Source: German Commercial Register (Handelsregister) München Local Court, HRB 53040 (as of 27 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2023 | €32,540,982 | €2,557,742 | €41,175,897 | — |
| 2022 | €50,554,081 | €552,176 | €26,081,028 | — |
| 2021 | €50,079,429 | €2,573,722 | €19,998,780 | — |
| 2020 | Rohergebnis€31.1M2 | €2,178,451 | €17,716,510 | — |
| 2019 | Rohergebnis€25.3M2 | €1,906,295 | €14,365,894 | — |
| 2018 | Rohergebnis€18.7M2 | €1,587,535 | €11,258,296 | — |
| 2017 | Rohergebnis€16M2 | €1,271,490 | €10,038,946 | — |
| 2016 | Rohergebnis€13.1M2 | €850,380 | €9,383,809 | — |
| 2015 | Rohergebnis€11.2M2 | €642,050 | €9,176,313 | — |
| 2014 | Rohergebnis€11.4M2 | €606,235 | €8,531,026 | — |
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) München Local Court, HRB 53040 (as of 27 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €24,862,563 | 42.6% |
| Material Costs | €32,435,995 | 55.6% |
| Depreciation | €427,214 | 0.7% |
| Interest & Similar | €646,973 | 1.1% |
