Who we are

Connecting, creating, inspiring

GBS (Glavbolgarstroy) is the largest construction group in Bulgaria and one of the biggest in South-eastern Europe. We specialise in infrastructure, residential, commercial and industrial construction projects, and we pioneer sustainability in everything we do.

What we do

Bringing construction and renovation plans to life

Our services cover the entire life cycle of construction projects, from conceptualisation, planning, estimation and design, to construction, management, operation and maintenance.

Ventilation

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Restorations

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TOGETHER WE BUILDING THE FUTURE

Group of companies

Glavbolgarstroy is one of the largest construction groups in Bulgaria and Southeastern Europe. With over 55 years of experience, the company specializes in the development of energy, transport, and water infrastructure, as well as residential, commercial, and industrial construction.

The companies within the Glavbolgarstroy Group bring extensive expertise and specialization across all key areas of the construction sector. Their activities cover the full spectrum of project implementation—from concept development to construction, operation, and maintenance.

News and Insights

What we’ve been up to and what we think

How GBS contributes to building infrastructure for the Region’s New Energy Landscape
News 31 Mar 2026

How GBS contributes to building infrastructure for the Region’s New Energy Landscape

Connectivity, capacity, and flexibility are becoming the foundation of energy security For many years, gas infrastructure in Bulgaria and the wider region was designed for a world with predictable flow direct...
GBS speaks at European Commission workshop on affordable housing
News 30 Mar 2026

GBS speaks at European Commission workshop on affordable housing

Federico Nahuel Lazzari, Director of  of GBS’ Brussels office, stressed an important point: Europe needs more housing, and it needs it faster Federico Nahuel Lazzari, Director of GBS’ Brussels office and Sec...
Glavbolgarstroy inaugurated the most modern and technologically advanced racing circuit in the Balkans
News 23 Mar 2026

Glavbolgarstroy inaugurated the most modern and technologically advanced racing circuit in the Balkans

The project near Samokov was completed in less than one year in partnership with Asarel-Medet With a four-hour drift and motorcycle show, A1 Motor Park—the most modern and technologically advanced motorsport c...