1935, with its mandate expanded to securities in the 1960s), French Commission des Opérations de Bourse (COB, est.
1967), Italian Commissione Nazionale per le Società e la Borsa (CONSOB, est.
The group had its first meeting at the newly created Dutch authority in Amsterdam in November 1989, and the next ones in London (March 1990), Paris (June 1990), Rome (October 1990), and Brussels (January 1991).
The founding members were soon joined by the chairs of the Luxembourg Commissariat aux Bourses (est.
The chairs of FESCO's member authorities usually met four times a year, and the organization also supported several expert groups on thematic regulatory issues, with a small permanent secretariat based in Paris.
By 2000, FESCO's membership had grown to 17 authorities (those of the EU's then 15 member states, plus Iceland and Norway in the European Economic Area in place since 1994): in addition to the Dutch STE, French COB, Italian CONSOB, Portuguese CMVM, and Spanish CNMV, these were the Central Bank of Ireland, Norway's Kredittilsynet (est.