SISU is an International Group of Consulting Engineering companies in Building Construction Services.

SISU is co-ordinating the professional expertise of its companies.

SISU utilizes this expertise between the companies by exchange of staff and/or in the assembly of dedicated project teams, to take care of the clients best interest.

SISU's experience, research, data, technology and ideas are freely exchanged throughout the companies.

SISU is the clients guarantee of quality of staff, quality of training, quality of design, quality of supervision and quality of finished project.