Changed the url and the phone number thanks to someone on the OSM workshop

It's the same premises as the company I work for. They have their name on an outside wall (parking side), and also one at the top of the stairs next to the CryptoWeb's one.

It my place of work. They're here since many years. You can verify this on Pappers, or I can find some proof. And it can be verified since they have a little thing on the outside wall that say "CryptoWeb"