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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  • KPMG Latin American Tax Summit 2017: 2017, Buenos Aires, Argentina
  • BBVA EduFin Summit 2018, 2018, Buenos Aires, Argentina

A Touch of Ireland (ATOI)

  • Panamerican Surety Association International Meeting, 2014, Dublin
  • Seminar on Water Management in Ireland and Spain, 2015, Dublin, Ireland

Adria Congrex

  • Border Control Training, 2017, Niger and Kiev, Ukraine

Alice Évenements

  • MacDonalds, 2007, Sainte-Maxime


  • 18th World Congress of the Academy of Human Reproduction, 2019, Dublin, Ireland

Congress Corporation

  • International Union of Architects, World Congress of Architecture, 2012, Tokyo

Congrex Switzerland Ltd

  • International Symposium on Pediatric Pain, 2019, Basel, Switzerland

Event Dynamics

  • 13th World Congress of Chinese Medicine, Auckland, New Zealand

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

Ideas Media Group

  • UNICEF V International Seminar on Social Investment, 2017, Buenos Aires, Argentina


  • American Society of Hematology, 2018, Rio de Janeiro, Brasil

MCI Dublin

  • European Handball Federation Congress, 2014, Dublin

MCI France

  • InOut Conference on Digital Mobility, 2018, Rennes, France

MCI Group Canada Inc.

  • AIPPI, World Intellectual Property Congress, 2014, Toronto

punkt.e events made in Berlin

  • Moroccos Biodiversity, 2016, Berlin, Germany

Rogalski Damasci

  • Oncology Patient Advocacy Group Forum, 2018, Bucharest, Romania

SCOOP Tourisme d'affaires

  • Visit, Credit Agricole, 2017, Tel Aviv, Jerusalem, Haifa, Israel

Talley Management Group Inc.

  • Alcoholics Anonymous International Convention, 2010, San Antonio, 2005, Toronto


  • Medical Congresses, 2015, Vienna, Austria


  • TEVA Pharmaceutical Industries Ltd, 2016,Buenos Aires, Barcelona, Vienna