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




The Hall of Mirrors, Le Nôtre's gardens, the Trianon: just 40 minutes from Paris, Happy Unity orchestrates your Versailles seminar from start to finish. Royal prestige, nature and gastronomy: your teams will remember it.
















































SEMINAR FORMATS IN VERSAILLES
A gala dinner in the Hall of Mirrors, an intimate executive committee at the Petit Trianon, or a residential seminar in a Yvelines château: Versailles offers every format with a royal signature.
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 VERSAILLES
Privatising the royal estate requires applications to the Public Establishment of the Palace and strict protocols, which we have mastered over twenty years. Authorisations, reserved slots after public closing hours, and coordination with official providers: we handle every step on your behalf.

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
The Hall of Mirrors, Grand Trianon, Grand Stables, and privatised châteaux from Rambouillet to Saint-Germain-en-Laye make up our selection of royal venues.
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 VERSAILLES
From the royal estate to the châteaux of the Yvelines, each area has its own identity. We help you pinpoint the setting that matches your ambition and budget.
Prestige · Executive CommitteeRoyal splendour for your galas
The Palace of Versailles can be partially privatised: the Hall of Mirrors for your gala dinners, the gardens for your activities, the Trianon for your intimate receptions. The most prestigious setting in France for your major events.
Outdoor · ActivityOne hundred hectares in the French style
Le Nôtre's French-style gardens unfold across one hundred hectares of groves and parterres. An exceptional playground for your team building activities, from grove rallies to the Musical Fountains Shows.
Intimate · PremiumMarie-Antoinette's royal intimacy
The Petit Trianon and the Queen's Hamlet offer rare intimacy, amidst English gardens and Marie-Antoinette's salon. The ultimate setting for your confidential executive committees, gathered in a refined and royal prestige.
Residential · 10–200 peopleChâteaux and manor houses for your residential seminars
Within a 20 km radius, the châteaux and manor houses of the Yvelines can be privatised with accommodation. From Rambouillet to Saint-Germain-en-Laye, discover high-end residential seminars in a historic setting, just a stone's throw from the royal estate.
Culture · 10–200 peoplePanoramic terrace and Château François Ier
Twenty minutes from Versailles, Saint-Germain-en-Laye and its terrace overlook Paris with a unique panorama. The Château François Ier can be privatised for exceptional seminars combining culture and royal views.
Nature · ResidentialUnwind in the presidential forest
Forty minutes from Versailles, Rambouillet and its forest offer a prestigious residential seminar amidst nature. The presidential château and the Queen's dairy create a destination where your teams can truly unwind.
ACTIVITIES & TEAM BUILDING
A rally in Le Nôtre's groves, a ride in a period carriage, a royal cooking workshop with an MOF chef, or a historical investigation in the apartments: team building in Versailles takes on a courtly air. The gardens and 800-hectare park offer a unique setting for activities at this distance from Paris.
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
From the châteaux of the Yvelines to the salons of the royal estate, the range of settings allows you to achieve the desired prestige while optimising your budget, sometimes at a lower cost than a Parisian hotel.
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 VERSAILLES
Versailles offers what Paris cannot: royal grandeur, Le Nôtre's gardens, the Trianon – and an incomparable prestige that your teams will carry in their memories.
Direct RER C line Paris-Versailles Rive Gauche (35 min). Quick access from all Parisian arrondissements, easy for groups travelling from other regions by TGV to Paris. Your teams will arrive together and impressed.
Privatisable royal estates, 18th-century private mansions, châteaux in the Yvelines, manors in Rambouillet: a unique concentration of prestige in Île-de-France, often at lower prices than in Paris.
French cuisine in the tradition of Louis XIV, prestigious Versailles caterers, markets of the Yvelines: Île-de-France gastronomy in royal settings. Every meal becomes an exceptional experience.
The Park of Versailles (800 ha) and the Yvelines forest offer an exceptional natural setting just 40 minutes from Paris. Your teams will truly disconnect in an unparalleled historical environment.
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 VERSAILLES
The Grand Stables and the reception rooms of the Yvelines châteaux host your plenary sessions in a historical setting for up to several hundred participants. We orchestrate technical direction, scenography, and presentations for sessions befitting the royal setting. 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 VERSAILLES SEMINAR GUIDE
Versailles, royal prestige just 40 minutes from Paris
Happy Unity has been organising corporate seminars in Versailles and the Yvelines since 2006. Privatised estates include: the Hall of Mirrors, Grand Trianon, Grand Stables, châteaux of the Yvelines, and manors of Rambouillet. From a confidential executive committee in a forest château to a corporate party in Versailles or a convention for 800 people in the royal gardens: Versailles adapts to every format.
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 Versailles.
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 with her fantastic team. In short, a seminar we won't forget and one I highly recommend. We were 70 people for a day with 3 key highlights.”
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 fluid and fast. A very good experience. I highly recommend them.”
Fanny Legrand
Verified Google Review

VERSAILLES SEMINAR FAQ
Versailles offers what Paris cannot: royal grandeur, Le Nôtre's gardens, and incomparable prestige, just 40 minutes from the centre of Paris. The châteaux of the Yvelines often offer lower rates than a Parisian hotel while providing an exceptional image. The 800-hectare park and the Yvelines forest also allow for a true disconnection, impossible to find so close to the capital.
For a gala dinner or a prestigious convention, the partially privatised royal estate accommodates 20 to 1,000 people. The Petit Trianon and the Queen's Hamlet offer absolute intimacy for executive committees (CODIR) of 10 to 150 people. Le Nôtre's gardens serve as a backdrop for outdoor activities for up to 500 participants, while the châteaux of the Yvelines, from Rambouillet to Saint-Germain-en-Laye, are perfectly suited for residential seminars.
Yes, the Palace offers partial privatisations. The Hall of Mirrors hosts gala dinners for 20 to 800 guests, exclusively in the evening after public closing hours. The gardens and groves can be privatised for activities, and the Grand Trianon for receptions starting from 20 people. We compile all authorisation request files with the Public Establishment of the Palace.
Versailles is a premium destination that remains accessible: the châteaux of the Yvelines offer excellent prestige-to-price value, sometimes lower than that of a Parisian hotel. The budget depends on the format, venue choice, duration, and services: a two-day residential seminar in a Yvelines château, or an exceptional evening in the Hall of Mirrors with catering and privatisation. After an initial discussion, we will propose a selection of venues and a detailed quote, optimised according to your requirements.
Slots at the royal estate are rare and highly sought after. Allow a minimum of six months for the Hall of Mirrors and approximately three months for the gardens and groves. Thanks to twenty years of partnership with the Public Establishment of the Palace and its official providers, we support the application process from start to finish: authorisations, protocols, and reserved slots after public closing hours.
Versailles makes unique activities possible: a rally in Le Nôtre's groves and parterres, a ride in a period carriage along the estate's avenues, a royal cooking workshop with an MOF chef in the tradition of Louis XIV, or a historical investigation in the royal apartments. In the evening, a dinner in the Hall of Mirrors or a reception at the Grand Trianon becomes the signature highlight. We manage authorisations and logistics.
Yes. The town of Versailles has a few quality hotels, but the Yvelines primarily offer a selection of privatised châteaux with integrated accommodation, such as Rambouillet, La Celle-Saint-Cloud, or Chevreuse. We have 15 residential estates for groups of 10 to 200 participants, all located 20 or 40 minutes from the royal estate, to combine prestigious overnight stays with working days.
The RER C directly serves Versailles Rive Gauche in 35 minutes from Gare d'Austerlitz, with departures every fifteen minutes. By car, allow 30 to 45 minutes via the A13 or N10 depending on traffic. For groups coming from the provinces, we organise arrival by TGV in Paris followed by a group transfer by private shuttle to Versailles, and coordinate all journeys.
Versailles is magnificent all year round. Spring, from May to June, is the most spectacular with the Musical Fountains Shows. Autumn, from September to October, offers colourful gardens and fewer tourists. Winter lends itself to indoor privatisations, with an illuminated Hall of Mirrors creating a stunning effect. July and August experience high tourist numbers, which should be anticipated in planning.
Yes. Beyond gala dinners for up to 800 guests in the Hall of Mirrors, the Grand Stables and the reception rooms of the Yvelines châteaux host plenary sessions for several hundred participants, in a historical setting. The estate allows for formats accommodating up to 1,000 people by combining plenary sessions, activities in the gardens, and an evening in the groves. We orchestrate technical direction, scenography, and presentations to match the royal setting.

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1 rue de l'Union · Marquette-lez-Lille
6 rue Duret · 75016 Paris
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01 79 75 15 16
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