Construction
We build infrastructure projects, industrial and hydrotechnical structures with ISO-certified processes
Roster Ltd. is registered in the Central Professional Register of Builders at the Chamber of Builders in Bulgaria for construction works in categories one through five. We are certified under ISO 9001:2015, covering construction and renovation of industrial, infrastructure and hydrotechnical structures, as well as landfill construction and recultivation.
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Areas of expertise
Solar Parks
Excavation and grading for photovoltaic parks with volumes exceeding 118,000 m³ — Galabovo Solar BG, Pleven Solar 2.
Tailings Ponds & Landfills
Earthworks for tailings ponds and waste disposal facilities — Lucky Invest AD, AES Maritza East I.
Industrial Sites
Site preparation for new construction in active industrial zones — excavation, backfilling, compaction and levelling.
Difficult Terrain
Our fleet's high mobility enables work in mountainous and hard-to-reach conditions, including sites in the Rhodopes and Balkan Mountains.
Selected clients
Areas of expertise
Petrochemical Sites
Clearance and levelling of sites for new construction after installation dismantling at Lukoil Neftohim Burgas.
Fuel Depots
Full cleaning and levelling after demolition of fuel depots — Naftex Petrol AD.
Battery Energy Storage Sites
Site clearance for BESS facilities — Sunotech PV Services (500 MWh, Svoboda village, Kameno).
Mining & Industrial Sites
Concrete waste crushing, clearance and compaction at Kaolin EAD and Rozhen 1 EOOD.
Selected clients
Areas of expertise
Industrial Reconstructions
Construction and renovation works on production buildings and depots in breweries — Kamenitza AD (Haskovo, Astika).
Industrial Equipment Installation
Construction and installation works for new furnaces under a framework contract with Ditsmann AD.
Foundation Pits
Foundation demolition and excavation pit preparation for new construction projects — Amilum Bulgaria EAD, Razgrad.
Structural Repair & Reinforcement
Repair and reinforcement of production structures — Kaolin EAD, Ustrem Factory.
Selected clients
Areas of expertise
Urban Street Reconstruction
Finishing works on the reconstruction of Kraiezerna Street — Burgas (Eurohidrosistemi AD).
Military Infrastructure
Construction of shelters, taxiways and service roads for F-16 aircraft at Military Formation 28000, Graf Ignatievo.
Railway-Adjacent Earthworks
Earthworks for the reconstruction of Army Stadium and surrounding area — GBS Plovdiv AD.
Pedestrian Infrastructure
Reinforcement and landscaping of pedestrian bridges — ERST BAU EOOD (Laki).
Selected clients
Areas of expertise
Dam Wall Repair
Repair and restoration of dam walls and associated structures at reservoirs Leshtaka, Kerezlaka, Pchela, Yabalachevo, Kolak Dere, Belesis — Montaji EAD.
Tailings Ponds
Construction and recultivation of tailings ponds — Varba-Batantsi AD (Rudozem II) and Lucky Invest AD.
Waste Landfill Cells
Construction of Cell 4 of a waste disposal facility — AES Maritza East I, Galabovo.
River Channel Correction
Correction of the Manastirska and Lakinska rivers in an urban area — ERST BAU EOOD, Laki.
Selected clients
Trusted by
Delivered infrastructure and construction projects with leading partners across Bulgaria
Montaji EAD
dam wall repair
Kamenitza AD
brewery reconstruction
Eurohidrosistemi AD
infrastructure construction
Galabovo Solar BG
earthworks 118,000 m³
AES Maritza East I
waste landfill cell
Lucky Invest AD
tailings pond
ERST BAU EOOD
infrastructure & reinforcement
Trace Group Hold AD
railway infrastructure
GBS Infrastructure Construction
military facilities
Ditsmann AD
furnace installation
Varba – Batantsi AD
Rudozem tailings pond
Devnya Cement AD
industrial infrastructure