Certificates
Glavbolgarstroy Holding AD
ISO 9001:2015 certificate
ISO 14001:2015 certificate
ISO 45001:2018 certificate
Glavbolgarstroy AD
ISO 9001:2015 certificate
ISO 14001:2015 certificate
ISO 45001:2018 certificate
ISO 50001:2018 certificate
Glavbolgarstroy International AD
ISO 9001:2015 certificate
ISO 14001:2015 certificate
ISO 45001:2018 certificate
ISO 3834-2:2021 certificate
GBS – Infrastructure construction AD
ISO 9001:2015 certificate
ISO 14001:2015 certificate
ISO 45001:2018 certificate
ISO 50001:2018 certificate
ISO 39001:2012 certificate
GBS – Plovdiv AD
ISO 9001:2015 certificate
ISO 14001:2015 certificate
ISO 45001:2018 certificate
GBS – Blagoevgrad AD
ISO 9001:2015 certificate
ISO 14001:2015 certificate
ISO 45001:2018 certificate
GBS – Imoti AD
ISO 9001:2015 certificate
ISO 14001:2015 certificate
ISO 45001:2018 certificate
Glavbolgarstroy Prefab EAD
ISO 9001:2015 certificate
ISO 14001:2015 certificate
ISO 45001:2018 certificate