The Unit is concerned with providing the latest technologies in the  different architectural and engineering fields, besides applying these technologies in the architectural development of Makkah, Madinah and the Holy Sites.

The Unit also provides technical support for the different subunits of department of architectural and engineering research, in addition to building Geographical Information System (GIS)  for the benefit of the researchers, and the public and private institutions serving pilgrims and visitors. 

It also develops applications related to Hajj and Umrah using the latest technologies and computer-based design systems, GIS, Global Positioning System , virtual reality techniques and Internet.