Intertest Ltd., founded in 2015, is a dynamic company established by a team of engineers with extensive experience in substation design and the commissioning of projects in the energy sector. Our core focus is delivering comprehensive engineering solutions for medium- and high-voltage substations and power plants, ensuring exceptional quality across all systems.
We are proud to maintain TÜV Rheinland certification for the following standards:
- ISO 9001:2015 – Quality Management Systems
- ISO 14001:2015 – Environmental Management Systems
- ISO 45001:2018 – Occupational Health and Safety
At Intertest, we utilize a wide range of high-quality calibrated equipment and possess the necessary software licenses to deliver modern, top-tier services.
Our operations comply with the requirements of EN ISO/IEC 17020, as accredited by the Executive Agency “Bulgarian Accreditation Service,” recognizing Intertest as a Type C commissioning body.
Our mission is to adapt to our customers’ evolving needs while seeking out new opportunities and challenges!

Ivailo Popov
CEO

Radoslav Tsvetanov
Technical Manager

Evgin Halilefendi
Relay Protection and Automation Engineer

Martin Marchev
Relay Protection and Automation Engineer

Georgi Stalev
Rotating Electrical Machines Specialist

Dimitar Rodev
Rotating Electrical Machines Technician

Atanas Bodurov
Relay Protection and Automation Technician