Certificates and References
INFRA HOLDING PLC operates in accordance with the highest standards in construction. We strive to guarantee maximum quality of the services we offer in accordance with all statutory requirements and the best practices for environmental responsibility and occupational safety.
ISO and OHSAS Certificates
The company has implemented an integrated management system for quality, environment, occupational health and safety in compliance with the international standards ISO 9001:2008, ISO 14001:2004 and OHSAS 18001:2007.
Bulgarian Construction Chamber Certificates
The companies of INFRA HOLDING PLC are members of the Bulgarian Construction Chamber and are certified for implementation of first category constructions in the following groups:
- energy infrastructure;
- transport infrastructure;
- high-rise construction, adjacent infrastructure, electronic communication networks and facilities;
- utilities infrastructure, hydro technical construction and environment protection.
The references from our contractors and counterparts provide evidence about the professional and high-quality implementation of the projects by INFRA HOLDING PLC.