The company has a Certificate from the Bulgarian Chamber of Builders for entry in the Bulgarian Central Professional Register of Builders:

Certificate № III – TV 005364 - valid until 30.09.2022

# third group: constructions for the energy infrastructure - from first to third category 

Certificate № V – TV 011356 - valid until 30.09.2022

# fifth group: particular types of construction and installation works

In order to realize its aim to achieve the requirements and expectations of all stakeholders, Contractor 35 Ltd. has implemented an Integrated System for Quality Management, Environment Management and Health and Safety at Work Management. The Integrated System is created, maintained and constantly improved according to the requirements of the standards ISO 9001: 2015, ISO 14001: 2015 and ISO 45001: 2018. The system has been certified by TÜV Rheinland:




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