ABC Alfa is a part of the Ascent Business Center office in Prokešovo Square in the center of Ostrava. The ABC Alfa was built in the 1940s, and later headquartered in OKD. The building was completely refurbished in 2016. Modern offices offer air-conditioned areas to accommodate layout and fist execution at the discretion of the client. Tenants can use their own canteen at the ABC Beta, which is linked to ABC Alfa.