Tracing the broad parameters of his social and charitable activities, we also identify the directions in which they were carried out:
- for the state and municipalities;
- for schools;
- for Bulgarian culture;
- for civil organisations and committees;
- for churches and monasteries;
- for his factory workers.
In 1919 he donated 300 thousand gold leva for lobbying in favour of Bulgaria
during the negotiation of the Treaty of Neuilly.
In the mid-1930s, the industrialist's foundation, named after him, donated the 300 thousand dollars for the buildings of the Agrarian Faculty of Sofia University (whose successor is the Agrarian University in Plovdiv) and for the Institute of Infectious and Parasitic Diseases in Bulgaria.
In his first will of 1928, Semov bequeathed funds for the construction of a building for the Union of Industrialists in Gabrovo.
The building of the women's charitable society was purchased with his money
"Mother's Care" and the Economic School in Gabrovo was built.
In Sofia, Semov built and for a long time materially supported the first homeless shelter in Bulgaria.

The Semovi family in front of the ZhBD "Mother's Care" with teachers and theatrical dance group, 1938.
It maintains free canteens for students in Gabrovo, Varna and Kazanlak.
Sponsored the education of many students and children of workers in its
factories, amounting to over BGN 3 million.
He donates funds for the Catholic College "St. Augustine" in Plovdiv, the Aprilov High School in Gabrovo, and schools in Varna and other cities.
In 1936, Semov donated his villa and part of his homestead in Varna to the Union of Journalists in Bulgaria. These properties were valued at 450 thousand gold leva.