Hotels known as "upscale" are categorized into 5 stars. Almost all of them offer high quality services to a very demanding clientele; professionals, business, occasional customers for a tourist visit. Most of them have a restaurant within the establishment or one located nearby.
The North-East of Paris and Seine-Saint-Denis feature a few luxury establishments offering high-end services. You will find 5* hotels in the centre of Paris in proximity of the centre of Paris, near the major sites of Greater Paris: Stade de France, CDG airport.
Some mid-range hotels offer quality services: consult the list of 4 stars hotels in north-east Paris.