Our Studio

SIO deals with design and supervision on-site for structures of extreme complexity, dimensions and long span, in reinforced concrete and prestressed in situ, slabs and shell, in steel, wood and glass, in Italy and abroad (Puerto Rico, Dominican Republic, Romania, Spain, United Arab Emirates, Madagascar, Nigeria, United States of America, Brasil), through italian and foreign collaborators, among whom there are Researchers and graduates in “Structures in Seismic Zones” and in “Project Management of Civil Structures and Infrastructures”, and external collaborators of the highest level in university and professional circles.


After several years of work in which the professional expertise and skills of Francesco Iorio have led to quickly consolidate SIO as a reference point in the structural engineering sector, today we are proud to have reached 18th place in the ranking of the 2021 Growth Leaders drawn up by Il Sole 24 Ore and Statista, positioning us among the Italian companies that have grown the most in the three-year period 2016-2019 with a Compounded Average Growth Rate (CAGR) of 132.36%.

An important milestone achieved thanks to the solid teamwork that sees us committed every day to planning and reshaping the future.



Our Method

Given the peculiarity of the company (university theory preparation, high level professional preparation in both precast and r.c. structures on site, steel or timber with experience abroad and with important italian architects) SIO can offer the highest competence for structural projects of vast dimensions, complex geometry, contemporary of materials and different static solutions.