GRESS is the leading member-based procurement collaboration for large HORECA businesses with associated e-commerce solution www.gress.net GRESS aims to negotiate supplier agreements that give members the lowest possible total purchasing cost in the industry. GRESS.NET provide the most efficient processes for “purchase to pay”. GRESS.NET is set up with ready to use pre negotiated GRESS supplier agreements. GRESS.NET is powered by Millum.