Yes, Paratonnerre is definitely a goth band because most of their albums belong to the Deathrock genre, which is a core subgenre of goth music. Albums like Demo are examples of their goth sound.
Some of the other goth artists that are similar to them are Eat My Teeth and Natures Mortes.
Paratonnerre is located in France, Paris, active in 2023 — present. You can find more information about Paratonnerre on their GothDB band page.