About us
Service One
Geschichte
Auszeichnungen
Referenzen
Kontakt
About Us
The company behind the construction site.
History
Serving civil engineering since 1961.
Certifications
Qualifications that build trust.
Services
Service One
Kanalinspektion
Leit- & Sicherungstechnik
Kabelbau
Tief- & Kanalbau
Straßen- & Asphaltbau
team
Glasfaserausbau
Materialversorgung
testimonials
Tunnelsanierung & Erdbohrungen
We build for the future with lasting value.
Project enquiry
Contact page
By phone
In person
Our Services
Fibre-Optic Network Expansion
Rail Construction
Cable Installation
Sewer Inspection
Control & Signalling Technology
Civil & Sewer Engineering
Road & Asphalt Construction
Kabel- & Glasfaserausbau
Straßen- & Asphaltbau
Material Supply
ECM service
Tunnelsanierung & Erdbohrungen
Learn more about our wide range of services and the depth of our expertise.
References
ECM
Career
Service One
Bewerbung
Alle Stellenanzeigen
Gewerbliche Berufe
testimonials
portfolio
Ausbildung & Praktika
Working at Klefenz.
Careers
Apply Now
Work at Klefenz
All Vacancies
Trade & Site Roles
Engineering & Technical Roles
Commercial & Administrative Roles
Apprenticeships & Internships
Contact
Aktuelles
DE
EN
Personalbuchhaltung
Isabel Buscher
isabel.buscher@klefenz-tiefbau.de
Other team members
The entire team
The entire team
Uwe Klefenz
Geschäftsführer
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Marvin Klefenz
Geschäftsführer & Abteilungsleiter Gleisbau
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Daniel Klefenz
Vermietung Immobilien
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Our History
From our founding in 1961 to today – six decades of civil engineering, documented through images, milestones and stories.
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Sustainability
Our own gravel pit, our own recycling facility, closed material cycles – how Klefenz puts the circular economy into practice.
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Certifications
Deutsche Bahn pre-qualification, ECM certification, audited signalling technology – all credentials at a glance.
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