Road Company EAD was established in 2006. It operates its own Road Construction Laboratory to perform testing, analysis and control over new construction projects and rehabilitation of road infrastructure.  

Patstroy-92 AD is among the leading road-construction companies in Bulgaria. It has extensive experience, strong technical capacity and resources to fully implement construction projects related to transport and road infrastructure.

During its over 20-year history, Patstroy-92 has executed more than 400 projects including road infrastructure projects funded by the EU and the World Bank. The company has built, rehabilitated, repaired and maintained motorways (including winter maintenance), roads and road facilities, urban communication and power lines. It has also installed and reconstructed water supply and sewerage systems and their related structures, non-hazardous waste landfills and other facilities of public utility infrastructure.

A competitive advantage for Patstroy-92 has been its own fleet of stationary and mobile plants for manufacturing certified and high-quality building materials – all types of asphalt mixtures and bituminous concrete, concrete and concrete products and bituminous binders (polymer modified bitumen, diluted bitumen and bitumen emulsion). All these products have been assessed and certified in conformity with the statutory requirements for construction works and products, which guarantees the high quality of performed works.

Patstroy-92 has a proven reputation among its clients of being an excellent contractor and a reliable partner.

ISO 9001:2015, ISO 14001:2015, ISO 45001:2018


  • Co-founder of the Bulgarian Branch Chamber ROADS
  • Member of the Bulgarian Construction Chamber
  • Member of the Confederation of Employers and Industrialists in Bulgaria
  • Patstroy-92 is listed in the Central Register of Professional Builders for executing construction from 1st to 5th groups of structures according to the Territory Structure Act.


2016 - First prize in the category “Transport Road Infrastructure” within theINFRASTRUCTURE BULGARIA AWARDS 2016 initiative for outstanding contribution to the development of public infrastructure in Bulgaria. Patstroy-92 was awarded for building the project Lot 2, Struma Motorway, Dupnitsa - Blagoevgrad Road Section. 

2004 – A bronze prize for 2004 and a silver prize for 2005 for best production practices in the annual Top 50+ ranking organized by the Bulgarian Construction Chamber.

111 Arsenalski Blvd, Sofia 1421

M.Eng. Gospodin Gospodinov
Executive Director
Tel.: +359 2 902 69 80
Fax: +359 2 963 11 54
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GEOSTROY AD is among the leading construction companies in Bulgaria. With its 15 years’ experience in implementing various challenging projects in the spheres of infrastructure, civil, industrial, environmental, mining and hydrotechnical construction, the company has been providing its clients with a wide range of competencies and services.

The history of the company began in 2005 when the President of Geotechmin OOD – Prof. DSc. Eng. Tzolo Voutov decided to set up a specialized company named Geostroy for performing construction activities within GEOTECHMIN GROUP.

In 2014, the company became a successor to Geotechmin OOD’s construction and bids management potential including high-performance team and technical resources. Thanks to its experience and backed by the expertise of the Group’s specialists and consistent support of GEOTECHMIN, Geostroy AD has rapidly expanded its business and strengthened its reputation as an epitome of high quality, responsibility and integrity in the construction sector.

Geostroy AD is listed in the Central Register of Professional Builders at the Bulgarian Construction Chamber for executing construction works in all site categories from groups 1 to 5.

The company has been successfully operating in the following spheres:


  • METRO CONSTRUCTION – metro stations, tunnels, TBM shafts and related underground facilities, landscaping
  • ROAD AND RAILWAY CONSTRUCTION – motorways, roads, road facilities and communication networks, runway systems and related structures, railroad infrastructure
  • WASTE MANAGEMENT – municipal and industrial waste treatment plants, including landfills
  • WATER MANAGEMENT – wastewater treatment plants and potable water treatment plants; water supply, sewerage and drainage systems and pump stations, etc.


  • MINING ENGINEERING – crushing plants, flotation facilities, transport and hydrotechnical tunnels and mine galleries






Geostroy AD employs about 700 qualified engineers, technical experts, well-trained specialists and workers who can effectively execute challenging projects in good quality and on time. The company owns modern heavy and lightweight machinery, off-road haulage, lifting and transport vehicles.


Geostroy AD has implemented an Integrated Management System (IMS) in compliance with the international standards ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 (Quality, Environment, Occupational Health and Safety).

A significant advantage in the implementation of various specialized projects is that the company holds the following licences:

  • A licence to use blasting explosives and carry out industrial blasting operations
  • Registration for waste collection and transportation on the territory of Bulgaria
  • Full legal capacity to perform maintenance, repair and reconstruction of high-risk facilities, maintenance and reconstruction of gas distribution pipelines and their branching, gas-control and gas-measuring stations including their auxiliary facilities
  • A road haulage operator licence on the territory of Bulgaria


  • Bulgarian Construction Chamber
  • Full member of the Confederation of Employers and Industrialists in Bulgaria
  • Regular member of the Bulgarian Chamber of Commerce and Industry
  • Collective member of the Scientific and Technical Union of Mining, Geology and Metallurgy
  • Bulgarian Chamber of Mining and Geology
  • Bulgarian Water Association
  • Underground Infrastructure Industrial Cluster
  • Srednogorie Industrial Cluster
  • Founder of the Bulgarian Society of Construction Law
  • American Chamber of Commerce in Bulgaria
  • Founder of the Bulgarian Association of Project Management in Construction
  • Bulgarian Branch Association “Road Safety”
  • Bulgarian Branch Chamber “Roads”

Geostroy AD has gained one special prize for overall contribution, three gold and two silver awards for achieving best results in the category “High-Rise Construction”, sector “Top Construction Companies” in the prestigious annual Top 50+ ranking of the Bulgarian Construction Chamber. Some of the best projects completed by the company were honoured with Building of the Year Award, Best Builder Award, and other prominent prizes.

106 Boyanski Vodopad Str., Sofia 1404

Eng. Vladimir Vutov, PhD
Executive Director
tel.: +359 2 902 40 90
fax: +359 2 958 20 14
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Geoproject EOOD was established in 2005. It specializes in providing comprehensive design services for industrial, civil and ecological projects, in drawing up designs for reconstruction and modernization of existing facilities and in the implementation of feasibility studies, analyses and expert appraisals.

A major task for Geoproject is to conduct pre-design research and preparation of specific designs customized to the production activities of both Ellatzite-Med AD and Construction Business Unit of GEOTECHMIN GROUP.

Geoproject has extensive experience and full capacity to elaborate designs for all aspects of technological processes in mining industry:

  • —  New and operating open-pit and underground mines
  • —  Quarrying of aggregates for all types of construction
  • —  New tailings ponds and reconstruction of existing ones
  • —  Drainage and wastewater collecting facilities, including underground galleries, wastewater treatment plants, stockpiles and waste dumps

Geoproject also prepares designs for residential and administrative buildings and industrial and infrastructure projects to employers outside GEOTECHMIN GROUP.

Geoproject’s designers are members of the Bulgarian Chamber of Engineers in Investment Design and have personal certificates of full legal capacity for design.

ISO 9001:2015


  • Member of the Scientific and Technical Union of Mining, Geology and Metallurgy
  • Member of the Bulgarian Chamber of Mining and Geology
  • Member of the Confederation of Employers and Industrialists in Bulgaria

4 Strandzha Str., Sofia 1303

M. Eng. Valentin Ketipov
tel.: +359 2 937 70 10
fax: +359 2 937 70 17
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Road Maintenance - Lom EOOD specializes in road construction, maintenance and repair of road facilities and traffic devices, landscape gardening and design, winter maintenance and snow removal.

The company has at its disposal upgraded machinery fleet of modern road construction equipment, heavy and light-duty vehicles, and a team of qualified professionals and operators of road construction machines.

Cultivation of perennial plants constitutes another important part of the activities performed by Road Maintenance - Lom EOOD.


  • Road Maintenance - Lom is listed in the Central Register of Professional Builders for 2nd, 4th and 5th groups of structures.
  • The company holds a Road Haulage Operator’s Licence on the territory of Bulgaria.

3 Han Krum Str., Lom 3600

M. Eng. Ivan Ivanov
Tel: +359 971 66 381
Fax: +359 971 66 380 
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