Excellence in Professional Congress Organisation

The International Association of Professional Congress Organisers (IAPCO) is a not-for-profit membership association and the only international accreditation body for professional congress organisers (PCOs). IAPCO Members are companies, not individuals, that meet rigorous application standards, consistently delivering high-quality PCO services. Representing 92 member companies with 180 registered offices globally, IAPCO is dedicated to promoting excellence in professional congress organisation.

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Join IAPCO

Recognising the best-qualified professional congress organisers and building strong and mutually focused relationships to achieve great results for the meetings and events industry.

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Learn about our Education

IAPCO firmly believes education is essential to further and maintain a high professional standard in the organisation and administration of congresses, conferences and other international and national meetings or special events.

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Meet our Commercial Partners

Elevate your brand and influence the global meetings and events industry by partnering with IAPCO. Reach a vast network of industry leaders, professionals and experts. Collaborate with us to shape the future of the business events industry and create meaningful, lasting impressions.

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Upcoming IAPCO and Partner Events

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IFES World Summit 2025

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IBTM Americas 2025

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IMEX America 2025

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ICCA World Congress 2025

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EDGE Auckland

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IBTM World 2025

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IAPCO AM&GA 2026

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IAPCO welcomes our new President

Sissi Lignou is IAPCO's new President, officially elected on 23rd February 2025. Based in Athens, Greece, Sissi is the President and CEO of IAPCO Member company, AFEA Congress and has served on IAPCO Council for 6 years. ​ ​

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News from our global IAPCO community

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EIC and JMIC to Join Forces to Advance Industry Sustainability Efforts, Advocacy and Economic Research

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IAPCO Members - SAVE THE DATE

IAPCO Annual Meeting & General Assembly Athens 2026 

The Odyssey Reinvented – A Very Human Journey Toward the Meetings of Tomorrow

📅 25–28 February 2026

We invite you to embark on a transformative journey with a vision – a modern Odyssey where innovation meets human connection.

🌐 Discover more at iapco2026.com