The agreement of the Council of Ministers of 30 April 1998, authorises SIEPSE for the development of its international activities, advising on infrastructure construction projects and prisons. Since then, SIEPSE empowers that business, working with agencies and Spanish companies in spreading the brand Spain. International activity involves two fundamental aspects:
a) Support and collaboration, as a public company, outsourcing of Spanish companies (consultancies, engineering firms, construction companies and other companies involved in infrastructure construction and equipping prison).
b) Collaboration and exchange of experiences with prison administrations of other countries and international organizations through consulting on prison facilities, participating in conferences and seminars and multidisciplinary prison visits by foreign delegations to the Spanish prison infrastructures.