Certifications

Certifications
Tested and certified

At Nägele Hoch- und Tiefbau, we value the highest quality standards, transparent processes and projects with a sustainable character. Certifications from independent bodies confirm our commitment to this approach.

 

Ecoprofit® company 2025
Ecoprofit® 2025 – ACTIVE for 20 years
PDF 251.8 kB
EcoVadis Rating Certificate
EcoVadis Rating Certificate
PNG 255.5 kB
ANKÖ certificate
PDF 214.7 kB
AUVA seal of approval
PDF 69.1 kB
Deutsch ZER 0068999 206305
ISO 9001:2015 – Quality Management
PDF 399.3 kB
Deutsch ZER 0069048 206518
ISO 50001:2018 – Energy management
PDF 398.9 kB
Deutsch ZER 0069080 206522
ISO 14001:2015 – Environmental management
PDF 399.7 kB
Deutsch ZER 0069144 206520
ISO 45001:2018 – Occupational health and safety management
PDF 399.7 kB
PORR AG ÖGNI basic certificate
ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO 50001:2018
PDF 683.2 kB
Nägele Hoch- und Tiefbau GmbH Certificate
ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO 50001:2018
PDF 686.3 kB