Since 1993 Salvatore La Spina has carried out independent professional activity and, in particular, planning, direction and assessment of public works.
He offers specialist consultancy in the fields of architecture and international relations.
Has established contacts with various foreign institutions and firms and has translated professional and technical text from English into Italian and from Italian into English.
Has done several final assessments of public Works by appointment of public authorities.

Member of the Board of the official consultants to the Civil Court of Justice.
Appointed Official Technical Consultant on several law proceedings by the II° e III° Civil Sections of the Court of Justice of Palermo.
Such consultancy activity regards judicial proceedings which involve technical and building issues, structural, administrative and planning advice, building failures, contract disputes, property estate evaluations, financial and development analysis, building work and damage estimate, property divisions.

Relations with the following institutions and firms, including translation from English into Italian and from Italian into English of technical text:

- Italy in Houston - U S A
- C.N.R.- N.A.T.O. Scholarship, Advanced Fellowship Program - Rome, Italy
- Martin Centre, University of Cambridge (UK)
- Architects Registration Council of the United Kingdom
- Working In The City, E C Directorate-General XII, Architectural Competition,    Dublin, Ireland
- G M W Partnership, London
- Chapman Taylor Partners, London
- Dioguardi - General Contractor - Rome, and Beacon Construction Company -    Boston, U S A
- Growth - Presteigne, Wales, (UK)
- Department of Land and Urban Studies, University of Palermo, Italy
- The Cambridge Society, Cambridge (UK)