Our clients

Calliope has worked with hundreds of clients of all types, across all industries, and around the world. Here is just a selection of them. 

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  • World Congress of Real Estate Agents 2017, Andorra


  • 40th FIPP World Magazine Congress, 2015, Toronto, Canada

Franco-German Office for Energy Transition

  • Conference on Digitalization , 2017, Berlin, Germany

Franco-German Office for renewable Energies

  • Intersolar, Side Event, 2016, Munich, Germany

Frederik Ebert Stiftung

  • Gold Miners' Union Seminar, 2016, Accra, Ghana

French Defence Ministry

  • Trilateral Maritime Surveillance Meeting, 2015, Nouméa, New Caledonia

French Embassy in Israel

  • Offical Visits, since 1996, Paris, Jerusalem

French-German Office for Renewable Energies

  • Flexibilisation of Energy Systems, 2015, Berlin, Germany
  • Regular Client since 2010, Conferences in Berlin, Hamburg, Husum, Copenhagen


  • Workshop, 2016, Piraeus, Greece


  • Premier Partner Conference, 2018, Sydney, Australia

Fundación Abertis

  • Biosphere Reserves, 2015, Castellet, Spain

Fundación OSDE

  • John Banville International Conference,2015,Buenos Aires, Argentina
  • Pierre Lévy: Capital in the twenty-First Century, 2015, Buenos Aires, Argentina
  • Thomas Piketty: Capital in the twenty-First Century,2015, Buenos Aires, Argentina
  • François Dubet: Inequality and democracy,2015, Buenos Aires, Argentina
  • Emmanuel Carrère: The novel of reality,2015, Buenos Aires, Argentina


  • G20 High-level Seminar on the International Monetary System, 2011, Nanjing

Girona Townhall, Archives and Publications Dpt

  • Cultural industry Congress, 2014, Girona, Spain


  • Judicial Ethics and the Fight against Corruption, 2017, San José, Costa Rica

GOPA.COM (formerly GOPA-Cartermill)

  • DG MAR, European Commission, 3rd Seminar on the Atlantic Action Plan, 2014, Dublin
  • Union for the Mediterranean Stakeholder Conference, 2017, Naples, Italy
  • Ministerial Meeting on the Blue Economy in the Western Mediterranean, 2018, Algiers, Algeria
  • Our Atlantic Ocean for Growth and Well-Being, 2018, Mindelo, Cabo Verde

Government of Ontario

  • Premier's Trade Mission, 2015, Nanjing, Shanghai, Hong Kong and Beijing, China

Greater ABC Consortium

  • Urban Mobility Meeting, 2018, Santo André, Brazil

Greek Parliament and EU

  • Greek EU Presidency, 1st Semester 2014, Greece

Guggenheim Collection

  • Guggenheim Board Meeting, 2016, Madrid, Spain
  • Guggenheim Board Meeting, 2018, Madrid, Spain