"Montagengineering" JSC is certified according to the below-listed internationally recognized standards:

EN ISO 9001:2008 - Quality management system;

EN ISO 14001:2004 - Environment management system;

BS OHSAS 18001:2007 - Health and safety at work management system;

EN 1090-1-2014; 1090-2-2014 - Factory production control


According to the Bulgarian legislation, "Montagengineering"JSC has the certifications to perform the below-listed construction types:

Fisrt group, First category - High contruction projects, their infrastructure, electrical and telecommunication networks and equipment;

Second group, Third category - Transport infrastructure construction projects;

Third group, First category - Power infrastructure construction projects;

Fourth group, First category - Hydrotechnical construction and environment protection construction projects;

Fifth group - Different types of construction and erection works in constructionsector.


The company is registered in State Agency for Metrological and Technical Supervision for construction of high-risk installations:

- maintenance, reparation and modification of steam and water-heating boilers;
- pressure vessels;
- pipelines for water steam and hot water;
- gas equipment and installations for natural gas or liquid hydrocarbon gases;
- erection of petrolium products pipelines and gas pipelines.