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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Canadian Soccer Association

  • FIFA Women's World Cup, 2015, Multiple Venues, Canada

COOB' 92

  • Barcelona Olympic Games, 1992, Barcelona

Cyprus Government

  • Cypriot EU Presidency, 2nd Semester 2012, Cyprus

Danish Parliament and EU

  • Danish EU Presidency, 1st Semester 2012, Denmark


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

Greek Parliament and EU

  • Greek EU Presidency, 1st Semester 2014, Greece

International Union of Architects

  • UIA Congress and General Assembly, since 1996, Barcelona (1996), Beijing (1999), Istanbul (2005) and Tokyo (2011)

Irish Government

  • Irish EU Presidency, 1st Semester 2013, Ireland

IUCN International Union for Conseration of Nature

  • IUCN World Conservation Congress, 2008, Barcelona
  • IUCN World Conservation Congress, 2012, Jeju, Korea
  • IUCN World Conservation Congress, 2016, Hawai'i


  • Annual Congress, 2005, Berlin

MICHELIN Amérique du Sud

  • Challenge Bibendum Rio de Janeiro, 2010, Rio de Janeiro

Ministry of Foreign Affairs of Portugal and EU

  • 2007 Portuguese EU presidency, 2nd Semester 2007, Portugal

Singapore Youth Olympics

  • Singapore Youth Olympic Games, 2010, Singapore

Swiss Economic Forum

  • Switzerland's leading economic conference, 2016, Interlaken, Switzerland

Town of Montreal

  • GSEF Global Social Economy Forum, 2016, Montreal, Canada

Universal Forum of Cultures 2004

  • Universal Forum of Cultures, 2004, Barcelona