Event Organiser directory in Europe
Browse event organiser organisations across Europe. Each entry links to its country, city, and sector pages.
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ONS Foundation
The ONS Foundation is a non-profit organization based in Stavanger, Norway, that has organized the biennial ONS global energy forum since 1974, originally focused on offshore North Sea oil and gas. It has evolved into a convener of global discussions on geopolitics, energy security, and the energy transition, attracting over 70,000 visitors from approximately 100 countries every two years across 9 conference venues and 8 exhibition halls. The Foundation partners with institutions including the Munich Security Conference, CERAWeek, and Columbia University's Center on Global Energy Policy, and operates under the patronage of His Majesty King Harald V of Norway.
Open Banking Expo
Organiser of Open Banking Expo, the UK and Europe dedicated Open Banking, Open Finance and Smart Data event, alongside a global community, awards and content programme. The show convenes banks, fintechs, regulators and investors shaping data-driven financial services.
Open Source Conference Luxembourg
Organiser of the Open Source Conference Luxembourg, a gathering of international Open Source Program Offices and related organisations. The conference exchanges experience on implementing and securing open-source software across the public sector, AI and large language models, cybersecurity, academia and humanitarian use.
OpenForum Europe
Advocacy organisation promoting open source, open standards, and open markets in Europe, particularly concerning public policy and digital infrastructure. Organises the EU Open Source Policy Summit.
Oslo Business Forum
Norwegian organizer of the Oslo Business Forum, founded by Christoffer Omberg and Marius Roed Wang to empower leaders to change the world. The annual conference brings roughly 3,000 leaders, a majority of them C-level, to Lillestrom for keynotes from globally recognized authors, executives, and thinkers on leadership and innovation.
Palsit d.o.o.
Palsit d.o.o. is a Slovenian company specializing in cybersecurity knowledge events and professional communities, based in Šempeter pri Gorici near Nova Gorica. The company organizes over nine annual conferences, most notably INFOSEK — Slovenia's largest information security conference — alongside ZEIDES, BIZTOPIX, CIO SUMMIT, and AiSEK. Palsit also operates professional clubs for IT professionals, ethical hackers, AI practitioners, and GDPR officers, collectively reaching over 2,130 participants per year with more than 320 speakers and 140 sponsors.
Paris Blockchain Week
Organizer of Paris Blockchain Week, one of Europe's premier Web3 conferences held annually in Paris since 2019. The multi-day event draws over 9,000 attendees including crypto founders, DeFi builders, and institutional investors, featuring hackathons, startup pitch competitions, and side events across the city's blockchain ecosystem.
Pepermint
Pepermint d.o.o. is the Zagreb company behind Weekend Media Festival, the largest gathering of the communications, media, marketing and technology industries in Southeast Europe, which reached its 19th edition in 2026. The festival draws several thousand delegates to Rovinj each September for panels, workshops and networking across advertising, media, digital business and startups. Pepermint is registered at Republike Austrije 27 in Zagreb.
Phocuswright
Organizer of Phocuswright Europe and associated startup pitch formats in travel technology. Phocuswright has been a leading travel industry research and events brand for over 25 years, and its European conference gathers hundreds of traveltech founders, OTAs, and hospitality investors for data-driven insights and startup innovation showcases.
Pitch Me Baby
Organiser of the 'Pitch Me, Baby, One More Time' series of free founder pitching nights. Originally from Warsaw, the recurring events run across Poland, CEE, Germany, Singapore and Portugal, with up to eight startups pitching for five minutes to an audience of mentors, investors, VC funds and business angels for instant feedback. Strategic Partner: PKO Bank Polski (Let's Fintech).
Plataforma enerTIC.org
Plataforma enerTIC.org is a Spanish association promoting energy efficiency and digitalisation across industry, utilities and the public sector. It organises the Smart Energy Congress, a leading forum on energy transition, smart technology and decarbonisation that brings together utilities, cleantech companies and AI and IoT vendors.
Plug and Play EMEA
Regional arm of the global Plug and Play innovation platform and accelerator, which runs pre-accelerator cohorts and demo-day expos in Yerevan in partnership with Armenia's Ministry of High-Tech Industry. It connects early-stage Armenian startups with corporates, investors and the wider international Plug and Play network.
Port of Antwerp-Bruges
One of Europe’s largest ports and a hub for maritime logistics, energy and industrial innovation. It organises events including Port of the Future Week and the Breakbulk Summit, convening port authorities, technology providers and the autonomous-systems community to shape the future of port operations and breakbulk logistics.
Product Circle
Product Circle organises small, application-only, operator-led sessions for product managers and product leaders across European cities. Each intimate gathering focuses on product strategy, discovery, AI-era decision-making and growth for startup and scaleup operators.
PRODURABLE (Groupe AEF)
Organiser of PRODURABLE, the largest European gathering of actors and solutions for the sustainable economy, held at the Palais des Congrès in Paris. Produced by Groupe AEF under the patronage of the French Ministry of Ecological Transition, it convenes thousands of decision-makers, speakers and partners.
Proidea
Proidea Sp. z o.o. is a Krakow event company that has run Polish IT conferences for close to two decades. Its portfolio includes CONFidence, one of Central Europe's longest-running offensive-security conferences, alongside PLNOG for network engineers and 4Developers for software developers. The company operates from ul. Zakopianska 9 in Krakow.
ProSiebenSat.1 PULS 4
ProSiebenSat.1 PULS 4 is Austria's leading commercial broadcaster and digital entertainment group, operating channels including PULS 4, PULS 24, and ATV. The company founded the 4GAMECHANGERS Festival in 2016 as its flagship social responsibility initiative, bringing together entrepreneurs, thought leaders, and innovators at Vienna's Marx Halle. ORF joined as co-organizer in 2022. In 2026, ProSiebenSat.1 PULS 4 organized the 4GAMECHANGERS AI-Day focused on practical AI adoption in media production.
PyData Yerevan
PyData Yerevan is the Yerevan chapter of the global PyData network, hosted at the American University of Armenia (AUA) Akian College of Science and Engineering. It organizes monthly meetups and is the primary organizing body for PyData PyCon Yerevan, an annual international Python and data science conference. The chapter fosters learning and collaboration among data scientists, machine learning practitioners, and Python developers across Armenia and the South Caucasus region.
PyGreece
PyGreece is the non-profit volunteer organisation behind the Greek Python community, which runs the annual PyCon Greece conference together with meetups and educational activities for developers, data scientists and students across Greece. It promotes open-source software, the Python programming language and knowledge sharing within the local tech community.
QUBE Events
International B2B conference organiser that runs the NextGen Payments & RegTech Forum series, including the long-running Athens edition. Its senior-executive fintech events convene banks, payment service providers, fintech firms and regulators around payments innovation, open banking and regulatory technology.
