What Colloquium Brussels does

Colloquium (legal entity COLLOQUIUM SAS, headquartered in Paris with a Brussels regional office) is a Professional Congress Organizer (PCO) founded in 1953, exclusively serving learned societies and professional associations. The company's core customer base is concentrated in the French medical and scientific sectors, with named institutional clients including AFU, SFD, SFAR, SFETD, CNGOF, FEHAP, SFORL, SNFGE, AFEF, and other specialty societies, for whom Colloquium delivers end-to-end congress steering, scientific program management, exhibition and sponsorship management, and participant services.

Colloquium's product surface combines a services-led PCO offering with an in-house digital platform suite. Proprietary tools include Viewr, a digital broadcasting platform that supports live and replay video capture from TV studios, lecture halls, or Zoom, with sponsor inventory, registration, secure access, and content recommendation features; Colloquium Numbr, a freemium web-and-mobile budget management platform with API integration into registration systems; Webinr, an immersive webinar tool with branded graphics and moderated Q&A; a Congress Website Builder for rapid event site deployment; and Members Area portal development. AI usage is light, comprising video smart-chaptering, theme/speaker-based search, and AI-assisted subtitling via third-party tools.

The business model spans professional services fees for full congress organization, subscription/hosting fees on Viewr, one-time website licenses starting from €2,300 ex-VAT and member portals from €3,000, MedTech Europe Educational Grant administration priced at €500 setup plus €100-150 per sponsored guest, training revenue from a social networks course for association staff, and the freemium Colloquium Numbr used as a retention and lead-generation tool. Distribution is direct, via named account coverage led by Christophe Painvin, supported by content marketing, SEO, IAPCO/UNIMEV memberships, and a newsletter funnel targeting France and Belgium.

Name

Colloquium Brussels

Legal name

COLLOQUIUM

Website

https://colloquium-group.com

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

11–50 employees

Short description

Colloquium is a Paris- and Brussels-based Professional Congress Organizer founded in 1953, serving French learned societies and medical associations with end-to-end congress management plus proprietary digital platforms (Viewr, Colloquium Numbr, Webinr) for virtual, hybrid, and budget-managed events.

Ownership category

akta.pro rank

Product category

Event Management Services (Professional Congress Organization)

NAICS

Convention and Trade Show Organizers (561920), Teleproduction and Other Postproduction Services (512191), Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers (51621), Motion Picture and Video Production (51211)

SIC

Services-Prepackaged Software (7372), Services-Computer Integrated Systems Design (7373), Services-Motion Picture & Video Tape Production (7812)

akta.pro primary industry

Association & Society Conference Management (Nonprofit, Professional Bodies) (THAHACAA)

akta.pro secondary industries

Virtual/Hybrid Conference Production & Platform Management (THAHACAM), Sponsorship, Exhibitor & Partnership Management Services (THAHACAK), Speaker, Program & Abstract Management Services (THAHACAI), Conference Communications, Marketing & Community Engagement (THAHACAN)

Keywords

• Professional congress organizer
• Scientific event management
• Virtual hybrid congresses
• Event budget management
• Conference video streaming

Headquarters

HQ city

Auderghem

HQ country

Belgium

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Congress Organization & Management Services: Full-service congress steering, coordination, logistics, scientific program management, exhibition and sponsorship management, and participant services for learned societies and professional associations. Revenue is generated through professional services fees tied to event management.
2. Digital Platform Subscriptions (Viewr): Virtual and hybrid congress video platform providing streaming, replay, sponsorship, and content monetization capabilities. Revenue generated through platform hosting fees and sponsorship package structuring for clients.
3. Budget Management Tool (Colloquium Numbr): Budget management platform offered free of charge to event organizers. Revenue model is indirect — the tool strengthens client retention and supports upsell of core congress management services.
4. Website Design & Hosting: Website creation and hosting services for congress and association clients, priced from €2,300 ex-VAT for packaged website solutions.
5. Members Area Development: Custom member portal development for associations, starting from €3,000.
6. MedTech Educational Grant Administration: Administrative services for indirect healthcare professional sponsorship at congresses under the MedTech Europe Code. Setup fee of €500 excl. tax per grant plus €100–150 per sponsored guest.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels7 records

Core offering

Colloquium is a professional congress organizer (PCO) that provides end-to-end scientific congress organization for learned societies and professional medical associations, covering logistics, scientific program, sponsorship, and participant services. It complements these services with proprietary digital tools for virtual/hybrid event video broadcasting (Viewr), event budget management (Numbr), website creation, and webinars.

Product overview

Colloquium offers a suite of digital tools for scientific congress and association management. The core product portfolio includes Viewr (digital video broadcasting platform for virtual/hybrid congresses) and Colloquium Numbr (event budget management tool). Supporting services include Website Creation (turnkey website design from €2,300 ex VAT) and Social Networks Training. The Viewr platform handles video capture, streaming, and sponsorship management, while Numbr provides real-time budget monitoring and supplier management. Webinr is mentioned as a tool for creating immersive webinar experiences with interactive features. The company has undergone digital transformation since 2016, expanding from traditional congress organization to comprehensive digital event solutions.

Differentiator

Problem solved

Functional benefit

Brands

• Colloquium Numbr: A website and mobile application for real-time event budget management, including tracking conference budgets, invitations to tender, quotations, invoices, and sponsorship sales.
• Viewr

Products and services

• Viewr Digital video broadcasting platform dedicated to virtual and hybrid congresses and webinars. Enables live capture and replay of video content from TV studio, lecture hall, or Zoom, with sponsoring/advertising, e-posters, content recommendation, SEO, registration, payment, secure member access, and smart chaptering/indexing. For learned societies and professional associations delivering scientific content digitally.
• Colloquium Numbr Web-based and mobile event budget management platform enabling real-time budget tracking, purchase order management, tender/procurement dashboards, supplier invoice processing, and sponsorship sales tracking, with API integration to registration and event management systems. Free to use for event organizers.
• Congress Organization & Management Services Full-service professional congress organization for learned societies and professional associations, covering event steering, coordination, logistics, scientific program management, exhibition and sponsorship management, and participant registration and services.
• Website Creation Turnkey website design, hosting, and maintenance service for congress and association communication. Includes graphic design, page ergonomics, content integration, back-office updates, registration, program distribution, sponsorship sales, and SEO optimization. Priced from EUR 2,300 ex VAT.
• Members Area Development Custom member portal / private portal development for associations, starting from EUR 3,000.
• Webinr Live streaming/webinar tool for creating immersive webinar experiences with professional visual graphics (infodesigns), moderated Q&A, real-time polls, and micro-capsule extraction for social media distribution.
• Social Networks Training (Reseaux Sociaux) Training course for learned societies and associations on community management and social media mastery, covering profile creation, platform selection, content formats, editorial planning, and analytics.
• MedTech Educational Grant Administration Administrative service for indirect healthcare professional sponsorship at congresses under the MedTech Europe Code. Setup fee of EUR 500 excl. tax per grant plus EUR 100-150 per sponsored guest.

Quantifiable outcome

• Virtual congresses maintained 70–80% of financial results compared to in-person events (excluding cancellation fees).
• +5 more outcomes

Named customers19 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability5 records

Feature4 records

Partnerships

Five partnerships are on record, tiered core and minor.

• MedTech EuropecoreStrategic or Co-development Partner · 1 May 2019Colloquium holds the official 'Trusted Partner' certification from MedTech Europe, enabling it to advise and support learned societies on implementing MedTech Europe Code compliance for indirect healthcare professional financing at congresses. This partnership is central to Colloquium's congress management service for medical device industry sponsors.
• Team SolutioncoreImplementation/ SI/ Consulting PartnerTeam Solution provides professional host/hostess and stage management teams for congresses organized by Colloquium. The company is highlighted for its inclusive recruitment policy and diversified teams, providing event coordination, speaker support, and logistical flow management services.
• IAPCO (International Association of Professional Conference Organizers)minorOthersColloquium is a member of IAPCO, the leading international association of professional conference organizers. Membership provides industry recognition, access to best practices, and annual innovation award eligibility.
• UNIMEVminorOthersColloquium is a member of UNIMEV, the French event industry professional body.
• PCO (Professional Conference Organizers)minorOthersColloquium holds PCO membership designation.

Scale indicators4 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• Mondial Congress & Events: Austrian-headquartered PCO specializing in medical and scientific congresses across Europe. Comparable to Colloquium in serving learned societies with end-to-end congress organization and digital event delivery.
• Congrex Switzerland: Swiss-based association management and PCO serving medical and scientific societies. Comparable to Colloquium in vertical focus (learned societies), service mix (congress management, association services), and European geographic reach.
• C-IN: Czech-based PCO specializing in European scientific association congresses. Comparable to Colloquium in learned-society focus, hybrid event delivery, and proprietary digital tooling developed in-house.
• KIT Group: German PCO specialized in medical and scientific associations, particularly in hematology/oncology. Closely aligned with Colloquium's learned society focus and healthcare vertical concentration in the DACH/Benelux region.
• AIM Group International: Italy-headquartered PCO with strong scientific/medical congress practice and offices across Europe. Directly comparable to Colloquium in serving learned societies and medical associations with full-service congress organization and digital event tools.
• Conventus Congressmanagement: German PCO with deep medical society practice (notably ophthalmology and surgery specialties). Direct comparable to Colloquium's vertical specialization in healthcare learned societies and conference management model.

Emerging players

• Swapcard: France-based virtual and hybrid event platform serving associations and event organizers. Adjacent to Colloquium's Viewr/Webinr offering, with comparable SaaS-based approach to congress digital delivery for associations.

Broad incumbents

• MCI Group: Largest independent global PCO and association management firm, headquartered in Switzerland. Overlaps with Colloquium in association congress management but operates globally across multiple verticals and offers broader services (events, association management, consulting).

Regional players

• Eventis Sante: French PCO operating in the medical/healthcare association congress market. Comparable to Colloquium in customer segment (French learned medical societies) and service offering (congress organization, hybrid delivery).
• Symposium Sante: French PCO focused on healthcare and scientific congresses, operating in the same French learned-society segment as Colloquium. Geographic overlap makes it the most direct French-headquartered peer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/colloquium
• Instagraminstagram.com/colloquium_pco
• Xx.com/Clq_Group

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Colloquium Brussels