Derik Engineering is involved the following type of activities: Complete construction of all types of engineering structures at home and abroad, study, design, construction and exploitation.

The implemented projects in Sofia and in the country vary in their nature and specific character. Some of the major ones are:

• Housing construction: three blocks of flats providing living area of 37 000 sq.m.;
• Reconstruction of the central heating network in Sofia;
• Rehabilitation of an old building in Sofia;
• Landslide protection structures, Doupnitsa;
• Rehabilitation and conservation of the bridge arches of the Rousse-Geurgeu Bridge over The Danube;
• Repairs and hydroinsulation to the roofs of the Theatre of Satire and the Puppet Theatre, Sofia