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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Arabian Travel Market 2025

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IMEX 2025

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FIEXPO 2025

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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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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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IAPCO Global Geo-political Survey

Your voice matters. Participate in our Global Socio-Political Impact Survey 2025 supported by our partners IFES, AIPC, and AMCI.

We are hearing that global geo-political shifts are impacting our industry — but we need data to advocate effectively. Please take 5 minutes to complete this important global survey before the deadline. Complete the survey.