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.
Energy Infrastructure
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Transport Infrastructure
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Industrial Buildings
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Public Buildings
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Commercial and Office Buildings
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Residential Construction
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Hospitals
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Water Infrastructure
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Retail and Leisure
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Hotels and Resorts
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Grain Storages
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Pre-stressed concrete structures
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News and Insights
What we’ve been up to and what we think
News
12 Mar 2025
“Glavbolgarstroy” and Siemens Energy signed a Memorandum of Understanding on major infrastructure projects in the country
The German Ambassador, H.E. Irene Maria Plank, emphasized the long-standing cooperation between the two countries on key projects for the Bulgarian economy and expressed her support for strengthening bilateral...
News
11 Mar 2025
Radoslav Kotlarov, CEO, GBS Invest: The quality of the property will be a determining factor in the housing market in 2025.
A notable shift in client priorities has been observed, moving from an initial focus on location to the overall quality of the product and living environment. This was one of the key insights discussed at the R...
News
05 Mar 2025
The largest climbing gym in the Balkans – Balkan Climbing, celebrated its first anniversary with Olympic champion Janja Garnbret
Balkan Climbing – the largest climbing gym in the Balkans – marked its first anniversary with an impressive event that gathered hundreds of enthusiasts, professionals, and climbing aficionados from across the c...
Our partners
Working with the very best business partners
