The company Vassi-bio is registered in 1994 by Silvia Andonova as a President. The team is built up of engineers, everybody with additional qualification as a real estate agent or an expert in valuation of real estates and of agricultural lands.

The extremely correct behaviour on the real estate market and the ambition of each member of the team for perfectly done work brought clients like Bulgarian-American fund, New Bulgarian University, a famous hotel chain, giants in the field of autoproduction etc.