Le Transformateur is a 220 m² event room in the 20th arrondissement of Paris, hired for seminars, training days, receptions, film shoots and press events. It holds workshops of up to 60 people, a plenary or conference of up to 110 and a cocktail of up to 200. The address is 4 rue du Guignier, and the venue is run by La Ruche, an organization that supports entrepreneurs.
Seminars and company events
For companies, the official page offers a modular room inside a third place, a mixed-use community space, rather than an anonymous meeting center. Seminars and training days are the first use listed. The operator also presents the room for press events such as conferences, presentations and showrooms.
Three layouts are stated. A workshop format takes up to 60 participants. A plenary format, suited to conferences or seminars, takes up to 110 people. A cocktail format reaches 200 guests. Event teams pick the layout according to the day: a morning plenary and an afternoon in workshops is possible in a modular room of this size.
La Ruche also offers à la carte services and a network of partners described as committed and responsible, which fits companies that report on the environmental profile of their events. Association clients are mentioned as eligible for a preferential rate, and last-minute requests within 15 days are invited to contact the team quickly.
Weddings and receptions
The room is presented for professional and private parties alike, with birthdays and weddings named as examples. The cocktail capacity of 200 is the reference for a standing reception. The official text does not give a seated figure for dinners, so couples should ask the team before planning a banquet.
Rooms and capacities
The venue is a single room of 220 m², designed with a clean industrial look as a tribute to the history of the building, which used to be an EDF transformer station. That look also explains its use for shoots and photo sessions. Ask the team which technical equipment is available.
Catering
The official page refers to à la carte services and committed partners but does not name a caterer or a catering model. Ask the team whether an outside caterer can be brought in and which partners they recommend.
History and setting
The building was a transformer station for EDF, the French electricity utility. It now houses a place described as open, lively and welcoming, where local players and committed organizations meet. Events here take place inside the ecosystem of La Ruche in Paris, which runs programs, trainings and coaching for entrepreneurs.
Getting there
The address is 4 rue du Guignier, 75020 Paris, in the east of the city. The official page does not list metro stations, so check a route planner for the nearest line before sending guests the details.





