Prinzbach GmbH is headquartered in Haslach with branches in Offenburg and Freiburg and presents itself as a full-service provider for energy and building technology. Its service portfolio comprises seven specialized business areas: building technology & electrical engineering, renewable energies & energy management, service & maintenance, safety technology, IT system house, media technology and HLSK technology (heat pump). Clients include major industrial and commercial companies as well as public institutions; in the renewable energies segment private households are also targeted. The HLSK technology – heat pump business area was established in 2024; the company holds certifications according to ISO 9001:23601, DIN 14675 and DIN 14095 and had an average of 106 employees during the year. Prinzbach GmbH is a family business.
Die Entwicklung, die Planung, die Herstellung, Montage und Wartung elektrotechnischer Anlagen, Anlagen im Bereich regenerativer Energie, Gebäudetechnik, Brandmeldeanlagen, IT-Medientechnik sowie die Wartung dieser Geschäftsfelder.
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) Freiburg Local Court, HRB 680650 (as of 1 November 2026)
| Name | Type | City |
|---|---|---|
| Ralf Neumaier | Geschäftsführer(in) | Schutterwald |
| Hans-Jörg Prinzbach | Geschäftsführer(in) | Haslach im Kinzigtal |
Source: German Commercial Register (Handelsregister) Freiburg Local Court, HRB 680650 (as of 1 November 2026)
| Date | Contract | Value |
|---|---|---|
| 29.9.2026 | Supplier · Vermögen und Bau Baden-Württemberg, Amt Konstanz | 1.914.849 € |
| 21.9.2026 | Supplier · Stadt Biberach an der Riss | 49.444 € |
| 21.9.2026 | Oberer Brühl - PV-Anlagen Supplier · Stadt Villingen-Schwenningen, RefBM Zentrale Vergabestelle | — |
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€15M2 | €4,018,931 | €38,723,573 | 106 |
| 2023 | Rohergebnis€15.4M2 | €4,377,611 | €29,245,454 | 100 |
| 2022 | Rohergebnis€11.9M2 | €2,458,212 | €34,650,339 | 95 |
| 2021 | Rohergebnis€10.8M2 | €1,861,697 | €10,829,352 | — |
| 2020 | Rohergebnis€9.4M2 | €1,404,119 | €8,962,612 | 103 |
| 2019 | Rohergebnis€8.6M2 | €1,323,143 | €7,308,054 | 100 |
| 2018 | Rohergebnis€7.7M2 | €1,307,872 | €8,009,778 | 80 |
| 2017 | Rohergebnis€6.4M2 | €1,041,756 | €6,349,762 | — |
| 2016 | small company1 | €917,849 | €5,801,596 | — |
| 2015 | small company1 | €823,541 | €5,058,216 | — |
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) Freiburg Local Court, HRB 680650 (as of 1 November 2026)
VSK-Technik Kübler GmbH.
Worms · Herstellung von sonstigen nicht wirtschaftszweigspezifischen Maschinen a. n. g.
GAB Neumann GmbH
Maulburg · Herstellung von sonstigen nicht wirtschaftszweigspezifischen Maschinen a. n. g.
Morgan Electrical Carbon Deutschland GmbH
Remagen · Herstellung von sonstigen elektrischen Ausrüstungen und Geräten
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €7,116,856 | 93.5% |
| Depreciation | €494,082 | 6.5% |
| Interest & Similar | €2,463 | 0.0% |
