About us

“Baugrund Institut Knierim” Ltd. is found in 1992 in the city of Sofia, by engineer Horst Knierim, a German citizen, as a limited liability company, operating in engineering services in the area of “Protection of the environment”. Since 2006, the owners of the company are diplom-geologist Thomas Deichmann and diplom- engineer Winfried Konle.


The services we offer include:

  • feasibility research – geodetic measurements, engineer- geological research, hydrological research and reports;
  • field and laboratory tests of construction soils (soil and rock mechanics);
  • quality control in in the construction of isolation systems on landfills for municipal and industrial waste;
  • design of facilities and installations for treatment and disposal of municipal, hazardous and technological waste;
  • design of wastewater treatment plants for municipal and industrial waste water and laandfill lecheate treatment plants;
  • research and design for the recultivation of old pollution – uncontrolled dumpsites.

To manage test activities and design, the company has developed and implemented quality management systems. Research and design activities in the area “Waste Management” and the waste water treatment are managed in accordance with the requirements of ISO 9001:2008 – “Research and design for environmental projects. The test laboratory “Soil Mechanics” is accredited by the Executive Agency “Bulgarian Accreditation Service” in accordance with the requirements of BS EN ISO 17025:2006.
The mission of “Baugrund Institut Knierim” Ltd. is to apply a professional approach in the execution of the full range of design and consulting services in the field of investment projects.
Our efforts are focused on close cooperation with our customers, municipalities in the Republic of Bulgaria and private entities, in support of their efforts to protect the environment and improve systems for waste disposal and wastewater treatment. Our team is open to the requirements of our customers in terms of coverage of activities, deadlines and budget.