Chateauform Monceau Rio hosts meetings, training days, press conferences, product presentations and cocktail receptions for up to 100 participants in work mode, and up to 170 for a standing cocktail. The house is a Haussmann-style townhouse on a side lane of Parc Monceau, in the 8th arrondissement of Paris. It has 13 meeting rooms and 3,000 m² of space.
Seminars and company events
The official site presents the house for meetings, training sessions, press conferences, product presentations and brainstorming sessions, for small or large groups. Rooms are fully equipped and lit by daylight. A floor can be reserved for one group, and a cocktail space handles standing receptions. The inner courtyard, open to the sky, is offered for an afterwork or a cocktail to close the day.
The house sells an all-inclusive formula per participant and per day, which covers the room, the catering and the coordination. Two hosts, named on the site as Léna and Sophie, welcome groups. A catalogue of activities completes a study day, with a cooking workshop, a tablet-based escape game and a yoga and meditation session.
Rooms and capacities
Nine modular meeting rooms are listed. The largest measures 90 m². It takes 100 people in theatre layout, 64 in islands, 50 in classroom, 36 in conference and 32 in U-shape. Two dining rooms with a fixed table measure 28 m² and take 12 people. Two informal rooms measure 36 m² and take 12 people. Together this makes 13 rooms, for groups of 2 to 100 participants.
The event surface is given as 250 m², and the cocktail space takes up to 170 participants. The site notes that other configurations are possible, including a cocktail space or a privatised floor. Break areas are provided for coffee and snack stops.
Catering
The kitchen is led by a chef, named on the site as Steven, and the style is described as chef’s cuisine. From the inner courtyard, guests can look into the kitchen. Meals and breaks are part of the all-inclusive formula, and the site mentions dedicated break areas.
History and setting
The house was the last home of Marshal de Lattre de Tassigny. Visitors enter through a large carriage gate and find meeting rooms, dining rooms and lounges in large open volumes with natural light. Contemporary art is shown on every floor, in the living areas and in the meeting rooms.
Getting there
The house is at 4 place Rio de Janeiro, on the lane running beside Parc Monceau. The nearest metro station is Monceau.




