In 2005, arch. Angel Zahariev together with Arch. Assen Milev Architectural founded Bureau A and Architects. He is one of the founders of GRUP CITY Foundation and together with other famous young architects is actively fighting for the positive change in public architecture and urban planning in Bulgaria.
His professional practice, Zahariev has managed the design of large-scale investment projects such as Business Park Sofia, Capital Fort, Muzeiko, Residential Park Sofia and Aktiv-Galaxy Project. Some of his projects have been awarded with different prizes including "Building of the Year".
The work of A and A Architects rely on a wide range of professional partners in the field of architectural and engineering design. The Architectural studio develops some of the most significant space and architectural projects in Sofia and Bulgaria, such as Sofia Capital City and Sky Fort.
Capital Fort is the first skyscraper in Sofia with a height of 126 meters and avant-garde architectural forms. The entire complex Sofia Capital City is a large-scale project for building a new "business city" with high and modern buildings, which will bring together the neighboring projects in the common environment.