Euro Alliance Geotechnics was founded in 1960 under the name of Stroyinject and specializes in geotechnical engineering.

In its existence of over 50 years the company has participated in the construction of all major civil and infrastructure projects in Bulgaria.

Since 1999 Euro Alliance Geotechnics is a private company and has expanded its size and operations significantly.

Currently, the company takes part in major infrastructure projects such as: the metro construction in the city of Sofia, the strengthening and stabilization of excavation pits for big commercial centers and buildings in Bulgaria, as well as fortification of landslides in the Black Sea region.

Euro Alliance Geotechnics specializes in civil and infrastructure projects: road, railroad facilities, hydro-technical facilities, bridge foundations and strengthening of excavation pits, landslides etc.


  • Diaphragm walls
  • Cast - in piles, incl. CFA
  • Sheet retaining walls
  • Grouting works
  • Soil consolidation
  • Micropiles
  • Strengthening of excavation pits, landslides, foundations of buildings, underground parking structures in dense populated urban areas.
  • Drainages and wells

Euro Alliance Geotechnics is a member of

  • Bulgarian Industrial Association
  • Bulgarian Construction Chamber
  • DGGT