INGENIERÍA TORRELLA, S. A., as a consulting engineer, is accredited by TECNIBERIA - A. S. I. N. C. E. (the Spanish Association of Consulting Engineers) and is a member of:

• ASINCA - Association of Independent Engineering and Consultancy Firms of Catalonia.
• EFCA - European Federation of Engineering Consultancy Associations.
• FEPAC - Pan-American Federation of Consultants.
• FIDIC - International Federation of Consulting Engineers.