Simple, effective, budget under control
€85–130
20 to 200 people- Study day, 30–80 people
- Team kick-off




UNESCO-listed Grand-Place, European Quarter, Atomium, world-class gastronomic scene: Happy Unity organises your seminar in Brussels. 1h20 from Paris, 35 min from Lille by Eurostar.
















































SEMINAR FORMATS IN BRUSSELS
An institutional convention in the European Quarter, an intimate executive committee meeting in Ixelles, or a large-format kick-off in an international hotel: every configuration finds its setting in Brussels.
8 FORMATS
Team cohesion · 1–2 days
Re-establish connections, integrate new profiles, and foster team spirit. This format refocuses the team on what truly matters: getting to know (or re-acquainting with) each other, building trust, and moving forward together.
WHO IT'S FOR
Growing teams, post-recruitment, service mergers
SAMPLE SCHEDULE
ORCHESTRATION IN BRUSSELS
In Brussels, institutional access is negotiated, and logistics are planned cross-border. We coordinate Brussels caterers, French-speaking guides, and privatisations from France, right up to on-site presence on the day of the event.

Event Expert
A dedicated Event Expert and their team, easy to reach, who know your project inside out. Reverse schedule from D-60, backup plan, on-the-day management.
1 Expert
per project

Venues
Historic venues in the Sablon, Art Deco hotels in Ixelles, Grand-Place brasseries, or Walloon Brabant castles: the venue is chosen according to the desired atmosphere.
200+
partner venues

Catering
Caterers with character, bespoke kitchen brigades, local producers. From the seminar brunch to the gala dinner, we create a table that leaves its mark.
150+
partner caterers

Accommodation
4- and 5-star hotels, private villas, characterful country houses. Single rooms by default, rooming handled from A to Z.
1,200+
room nights a year

Logistics
Transport, security, welcome, event management, technical: every ancillary service is run by our teams. You arrive, your employees are looked after.
All-inclusive
5 services

Team building
A catalogue of 100+ tried-and-tested activities, and a creative team that designs bespoke. Surprise choir, giant quiz, live DJ.
100+ activities
+ bespoke
SEMINAR VENUES & NEIGHBOURHOODS IN BRUSSELS
From the Grand-Place to Waterloo, each neighbourhood and territory has its own identity. We'll guide you to the setting that best serves your objective and company culture.
Iconic · 20–600 peopleThe capital's listed heart
The UNESCO-listed historic centre gives your evenings an immediate signature. Luxury hotels, heritage rooms, and legendary brasseries available for private hire at the foot of the Grand-Place, to make a lasting impression from the very first evening.
Chic · CreativeArt Deco and creative elegance
The bohemian-chic Brussels, away from the tourist crowds: Art Deco hotels, gourmet restaurants, and contemporary galleries. The ideal setting for creative executive committee meetings and premium incentives seeking the capital's authenticity.
Cultural · IconicThe Atomium and its iconic panorama
The Atomium and its panorama offer a unique backdrop for your corporate evenings. An iconic area in northern Brussels, perfect for seminars that focus on originality and a truly memorable experience.
Prestige · ArtAntiquarians, museums and hushed prestige
The Brussels of antiquarians and collectors, between Grand Sablon square and the Royal Museums of Fine Arts. Prestigious heritage spaces, tailored for confidential executive committee meetings and memorable gala dinners.
Historic · ResidentialCastles and countryside with a vibrant history
20 km from Brussels, Walloon Brabant combines historic roots with the calm of the Belgian countryside. Privatisable estates and castles for residential seminars in a green setting, away from the capital's hustle and bustle.
Prestige · MedievalCanals and belfry of the Venice of the North
The Venice of the North, an hour from Brussels: canals, a UNESCO-listed belfry, and exceptional chocolatiers. The ideal escape to extend your seminar in Belgium's most beautiful medieval city.
ACTIVITIES & TEAM BUILDING
A chocolate workshop with a master chocolatier, a tasting of Belgian craft beers, a cultural rally on the Grand-Place, or a tour of the European Quarter: the activities draw on Brussels' identity. Each format is tailored to the group size and cohesion objective.
Olympics
See the activities
Mystery games
See the activities
Trails & rallies
See the activities
CSR & Wellbeing
See the activities
Construction
See the activities
Quiz & TV games
See the activities
Casino & Stalls
See the activities
Creativity
See the activities
Culinary
See the activities
Music & Dance
See the activities
200+ PARTNER VENUES · 3 TIERS
The service level rivals Paris while often remaining more accessible, with settings ranging from charming hotels to historic palaces.
Simple, effective, budget under control
€85–130
20 to 200 peopleSeminar venues ready to go: well organised and fully equipped
€145–220
50 to 500 peopleTruly exceptional, with the character that leaves its mark
€280–650
30 to 800 peopleWHY BRUSSELS
Brussels brings together everything that makes an exceptional seminar: a European hub, UNESCO-listed Grand-Place, one of Europe's best gastronomic scenes, a vibrant cultural life and unique Eurostar accessibility.
As the headquarters of the European Union and NATO, Brussels is Europe's institutional pivot. A setting that naturally gives an international dimension to your strategic seminars and corporate conventions.
Privatisable Grand-Place, Art Deco hotels in Ixelles, historic palaces, rehabilitated industrial spaces, Brabant castles: a diversity of settings for all formats and atmospheres, from executive committee meetings to kick-offs for 800 people.
More than 50 Michelin-starred restaurants, world-renowned chocolatiers, 1,500 craft beers, waffles, mussels and chips: Brussels rivals Paris for the density of exceptional dining and gastronomic experience.
Victor Horta, Magritte, Hergé, Belgian comics: Brussels is a cultural capital of rare density. Privatised museums, Art Nouveau galleries, Horta houses: prestigious settings for your evenings and events.
Tell us your group size, your date and what you want to achieve: your Event Expert sends you a costed proposal within 24 hours. Free, with no commitment. Prices in euros, excl. VAT.
Indicative pricing · the final price depends on the venue, the season and the options you choose
PLENARY ACTIVITIES IN BRUSSELS
The modular rooms of large international hotels host your highlights, from the opening speech to sub-group workshops. Technical management, speakers, and translation are coordinated in the same place. Between two talks, our seminar activities — from twenty minutes to three hours, set up in your room — get the group moving again.

Inspiring speakers, recognised experts, testimonies from business leaders. We suggest a line-up suited to your message and to your group's energy.

Leadership team facilitation, collective intelligence, co-creating a vision. Experienced facilitators who move difficult topics forward as a group.

Decision-making escape game, crisis simulation, business role play. Learning by doing: without the PowerPoint, and without the glazed look after 20 slides.

Opening ritual, icebreaker for senior leaders, memorable close. The right format for the 30 people who don't want to "do team building".

World Café, Design Thinking, Open Space, Liberating Structures. We facilitate the formats that bring out genuine collective intelligence.

An hour-long talk followed by a hands-on workshop. A format that doubles retention and halves passive time.
THE BRUSSELS SEMINAR GUIDE
Seminar in Brussels: the European capital as a working environment
Happy Unity organises corporate seminars in Brussels and throughout Belgium. 200+ partner venues: UNESCO Grand-Place, Art Deco hotels in Ixelles, Atomium available for private hire for a corporate party in Brussels, Palais des Beaux-Arts (Bozar), event spaces in the European Quarter and châteaux in Walloon Brabant, 30 minutes away. A destination that combines institutional prestige, cultural richness, and unparalleled Eurostar accessibility from Paris.
DIGITAL TOOLS FOR YOUR EVENT
Two tools designed for two different audiences: you, the organiser, and your participants.
FOR YOU, THE ORGANISER
A dedicated space that helps you organise your event with your Event Expert: from design to review.

FOR YOUR PARTICIPANTS
An app developed in-house by our own technical team, not rented from a third-party provider. 100% customisable to your brand and your programme.
MY SEMINAR
128 participants
KEY FEATURES
CLIENT AREA
DIGITAL APP
HOW DO WE WORK TOGETHER?
Advice only, co-piloting or fully turnkey: we adapt to your team and to the complexity of your seminar in Brussels.
Our method, your management.
We lay the foundations: brief, design, budget, supplier selection. You deliver with our method and our recommendations.
Can be tailored to your context
Fees from €720
· + suppliers
We handle everything upstream, you approve.
The most popular package: we take care of everything from A to Z before the day itself. Venue, activities, hotel, catering. You approve, we deliver.
Can be tailored to your context
Fees from €950
· + suppliers + supervision
You arrive. We've handled everything.
Everything in Co-pilot, plus full on-site presence on the day. Event management, welcome, guest flow, transport: you arrive at an event that runs like clockwork.
Can be tailored to your context
On quotation
· overall budget under control
THEY TRUST US
“Everything was simply perfect. Lucile, full of excellent advice, knows her profession, her services and her providers perfectly! It was all handled very smoothly by her fantastic team. In short, a seminar we won't forget and one I highly recommend. We were 70 people for a one-day event with 3 key moments.”
Thierry Larchier
Verified Google Review

“We chose Happy Unity to assist us with a team building activity as part of a seminar for 38 managers from our bank in Marseille. The proposed activity met our ambitions and was a great success. A big well done to the whole team.”
Marie-Adeline Nittis
Verified Google Review

“I called upon Happy Unity for the organisation of a team building event during a seminar. Everything went perfectly from the very first exchanges. Communication and responses were smooth and fast. A very good experience. I highly recommend them.”
Fanny Legrand
Verified Google Review

BRUSSELS SEMINAR FAQ
Brussels combines a unique institutional dimension, as the headquarters of the European Union and NATO, with a listed heritage (UNESCO Grand-Place, Victor Horta's Art Nouveau) and a leading gastronomic scene. It's the ideal destination for companies with European stakes (public affairs, regulatory, multi-country teams) that want to give an international reach to their event. All this just 1h20 from Paris by rail, without the constraints of a flight.
Paris Gare du Nord reaches Brussels-Midi in 1h20 by Eurostar or Thalys, with several departures per hour; from Lille-Europe, allow 35 min. Brussels-National Airport (Zaventem) is 20 min from the centre by direct train for participants coming from further afield. Brussels-Midi is right in the heart of the city, which avoids the need for any vehicle hire: we coordinate transfers by private coach from the station to your venue.
For an iconic event, the Grand-Place and the historic centre can host 20 to 600 people in luxury hotels and legendary brasseries. Ixelles and Le Châtelain, more chic and creative (10 to 200 people), are suitable for executive committee (CODIR) meetings and premium incentives off the beaten tourist track. The Sablon aims for prestige and heritage gala dinners (10 to 150 people), while Laeken and the Atomium focus on originality for 20 to 300 participants. We will guide you according to your company's culture and the desired format.
Brussels offers a service level comparable to Paris while often remaining more accessible. The budget depends on the chosen format, venue, number of participants, duration with or without an overnight stay, and selected services. High season (March to June, September-October) tightens availability and rates, hence the benefit of booking in advance. After an initial discussion, we will propose a selection of venues and a detailed quote tailored to your Brussels project.
For European Union nationals, no additional formalities are required, as Belgium is part of the Schengen area. A valid passport is sufficient for non-EU participants. Belgian VAT of 21% applies to local services: we will guide you on invoicing and cross-border tax optimisation according to your company's status.
Yes, the Atomium offers private hire for groups of 50 to 300 people: a cocktail in the upper spheres, access to exhibitions, and a nocturnal panorama of the city. It's one of the most striking gala evenings in the Belgian capital. We are in direct contact with the site's events team for negotiation and full logistical coordination.
For large-scale conventions, Brussels Expo, the Centre for Fine Arts (Bozar, up to 2,000 people), the Cinquantenaire Palace, and the Palais des Congrès offer impressive plenary spaces. International chain hotels (Marriott, Hilton, Radisson) provide modular rooms suitable for formats of 300 to 800 participants with on-site accommodation. We combine plenary sessions, catering, and logistics for a seamless event.
The Belgian capital offers experiences found nowhere else: a workshop with a Brussels master chocolatier, a craft beer tasting (Trappist, lambics, Gueuze) led by a brewing expert, or a cultural rally on the Grand-Place and around Belgian comics. For teams in an international or regulatory context, a guided tour of the European Quarter provides an inspiring dimension. Each activity is tailored to the group size and cohesion objective.
Yes, several nearby areas lend themselves to residential seminars. Walloon Brabant, with Waterloo and its castles about twenty kilometres away, anchors the seminar in a historic and calm setting. Bruges, the Venice of the North, an hour away, allows you to combine the capital with a UNESCO-listed medieval escape. We also arrange three-day programmes to Bruges, Antwerp, or Spa for demanding teams.
Yes, Brussels is one of our historic European destinations. We rely on a network of proven Belgian providers: local caterers, certified French-speaking guides, entertainment companies, and partner hotels. We orchestrate the entire project from France, from scouting to negotiating access, and ensure on-site coordination on the day of the event.

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1 rue de l'Union · Marquette-lez-Lille
6 rue Duret · 75016 Paris
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Send us a WhatsApp message about your event. Our team is available Monday to Friday (Paris time).
Happy Unity
Corporate events
Phone
01 79 75 15 16
Mon – Fri · 9 am – 7 pm (Paris)
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