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The know-how and experience that DSO possesses thanks to its 28 years of activity are the essential assets that allow us to conceive and realize to perfection the projects that you entrust to us.

Combining Belle Époque charm and contemporary elegance, our 151-room hotel welcomes you in the heart of Nice, facing the sea and the Albert Premier garden. Just a stone's throw from the Old Town and only 20 minutes from the airport, take advantage of its six meeting rooms, private rooftop and 24-hour gym.

VRDR Events is nestled in Valence in the Drôme, in the heart of a professional rugby stadium. Here you'll find 4 spaces ranging from 70m² to 1700m² to meet all your event needs.

The Mercure Paris Alésia invites you to discover a stay combining comfort and contemporary design. La Verrière, our atypical seminar space, welcomes you in a luminous, functional and intimate setting.

Organise your seminars at Domaine Les Ranchisses, in the heart of the Parc des Monts d'Ardèche. Fully equipped rooms, comfortable accommodation, spa, gastronomy and team-building activities for successful events.

In the center of the Val Thorens resort, this 17,000m² complex is composed of leisure and wellness areas, a convention center, 12 meeting rooms, a 437-seat auditorium, a 3,000-person arena and a 2,400-person rooftop. Unique in a ski resort.

L'Ours Blanc is a mountain Hotel & Spa with great proposals for your seminars and other corporate events. It offers a sporty setting with easy access to winter sports and a relaxing environment for business groups. Perfectly located in the valleys of the mountain, close to famous resorts such as Alpe d'Huez and the 3 Valleys!

The LDLC Arena, due to open at the end of 2023, will host all types of corporate events. With its 4,500 m² main hall and 1,840 m² annex, Le Cube, it offers fully modular spaces for conventions, gala dinners, festive evenings, awards ceremonies, showrooms, trade fairs and much more.

The Armancette Hotel, Chalets & Spa offers a natural setting with an elegant and refined atmosphere. Accommodations include 17 rooms, with a range of doubles, junior suites and duplex rooms, all with double beds that can be converted into twins.

Situated at an altitude of 1,531 metres and offering direct access to over 400 km of ski slopes and hiking trails, the W Verbier combines contemporary urban Alpine design with fashionable events. The 123 sophisticated rooms and suites, each equipped with a fireplace, the W Signature bed and a private balcony, are ideal for relaxing after an intense day outdoors. Open all year round, the hotel offers culinary diversity with the Signature Bô! restaurant and the exclusive Eat-Hola Tapas Bar, as well as a 1,300 m² Spa for rejuvenation and flexible event spaces. W Verbier is the perfect place to feel at home away from home.

Located in one of the most beautiful bays in the world, the Abbaye de Talloires and its modern decor offer a quality of service that has often been rewarded. You will enjoy in their renovated restaurants or on the sunny terraces "feet in the water" a tasty cuisine whose products are partly from our garden. The team is at the service of your seminar at Lake Annecy and offers you on-site activities at conditions negotiated especially for you.

Opt for an unusual experience and immerse your staff in a whole new world! In a setting that's both chic and close to nature, just 5 minutes from Honfleur, Les Jardins de Coppélia is an unusual place that encourages cohesion, disconnection and rejuvenation.

Valence Romans is the ideal destination for a successful event: a sunny climate, easy access (2 motorways, 2 TGV stations, Valence-Chabeuil airport 15 minutes away and Lyon Saint Exupéry airport 1 hour away), 2 hours from Paris by TGV - don't wait any longer for a change of scenery!

Experts & Specialists serving the events industry! Specialists in sound, lighting, image, stage structure, electrical distribution and technical venue management.

Mercure Valence Sud and its 100m² room "La petite Maison Nivon" welcome you in a cosy, elegant and warm setting, ideal for a day's work or a business stay.

Discover a peaceful haven in a prestigious setting in the heart of the Luberon by staying at the Mas des Herbes Blanches.   This charming Relais & Châteaux hotel offers 48 prestigious rooms and suites with elegant and refined design, nestled in lush greenery ideal for relaxation. Enjoy access to the indoor pool, sauna, hammam, […]