Sephardic Bnei Anusim are cultural and information centres for the education of the general Israeli public, while others are a combination of cultural and information centres which also promote and provide assistance and advocate for rights to conversions, immigration and absorption of reverts to Judaism of Sephardic Bnei Ansuim origin. Casa Shalom holds lectures and seminars in their centre in Netanya, Israel and work to help Sephardic Bnei Ansusim investigate and reclaim their heritage. Shavei Israel, with headquarters in Jerusalem is an advocacy and Jewish outreach organization with links to religious institutions in helping Bnei Anusim in their branches in Spain, Portugal and
Sephardic Bnei Anusim Jews during the 15th century. Surnames known to have been carried by Jews included Pérez, López, Salazar, Córdova, Torres, Castro, Álvarez, González, Gómez, Fernández. It is extremely important to note, however, that all of these mentioned surnames, and almost all other surnames which were carried by 15th century Sephardim, were never specifically Jewish in origin, that is, they were never exclusively "Sephardic surnames", if such a thing exists other than in the most rarest and limited of cases. Almost all these surnames are in fact surnames of gentile Spanish origin (or gentile Portuguese origin) which only became common among Sephardic