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

Glavbolgarstroy (GBS) participates in the European Forum Alpbach
News 04 Sep 2026

Glavbolgarstroy (GBS) participates in the European Forum Alpbach

The Bulgarian construction holding company Glavbolgarstroy is participating in the 82nd edition of the European Forum Alpbach (EFA26), traditionally held in the Austrian mountain resort of the same name. This y...
Главболгарстрой участва в Европейския форум “Алпбах”
Новини 04 Sep 2026

Главболгарстрой участва в Европейския форум “Алпбах”

Българският строителен холдинг „Главболгарстрой“ участва в 82-рото издание на Европейския форум „Алпбах“, който традиционно се провежда в едноименния австрийски планински курорт. В изданието тази година участва...
Съобщения 03 Aug 2026

Съобщение за инвестиционно намерение

Съгласно изискванията на чл. 95, ал. 1 от ЗООС  и чл. 4, ал. 1 от Наредбата за условията и реда за извършване на оценка на въздействието върху околната среда, „ГБС - ИНФРАСТРУКТУРНО СТРОИТЕЛСТВО“ АД уведомява,...