Hotel V.
Yelp
A. Simon regularly makes foodie lists about where to buy cookware in Paris. In fact, within a 2 block radius, you'll find the other big names: Mora (more specialized in bakeware), Bovida (also cookware). So its relatively easy to go comparison shopping.
On price point for the same item, A.Simon beats everyone including BHV when they are having a sale and even dinky restaurant wholesaler stores I've visited.
More importantly, their customer service is outstanding.
These shops cater to professionals and serious home cooks (which I am not). They stock top of the line products so it can be intimidating if you're not sure what you want. In the other stores, it's more of everyone for themselves. Here, a really lovely shop lady not only took the time to explain the different brands of pans, tried to understand my cooking style, space constraints in my kitchen, etc, leave me to ponder then come back to answer my follow up questions. There was no sales pressure and lots of attention even if it was clear I wasn't going to be big-time purchaser.
Speaking to the quality of their wares, we accidentally left a glass pan cover on a turned on induction stove with a broken signal light for 2 days. Moving along from the massive fire bullet we dodged, the pan cover was in perfect condition. After being heated for that long, a lower grade glass cover would have exploded or at least cracked.
Highly recommend going here if you are looking to upgrade and invest in quality in your kitchen, whether you're a casual or serious cook.