He designed a large body of civil and religious buildings as well as many smaller works.

During his professional career he worked with the Yerevan Project Institute and the Armenian Church headquarters in Etchmiadzin.

He is the architect of memorials to the victory in World War II in various parts of Armenia.

[4] Among his other works are: The list also includes various crosiers, rings, the liturgical dressing of the Catholicos of All Armenians.

Baghdasar Arzoumanian is the author of the Throne Hall of the Catholicos of All Armenians.