Office and Showroom Space Design

I am currently looking for someone to help design our new office and showroom space. I already have a fairly clear vision of what I want, but I am specifically looking for someone who is creative, has... (Budget: €30 - €250 EUR, Jobs: 3D Design, 3D Modelling, 3D Rendering, Building Design, Building Information Modeling, Design Optimization, Graphic Design, Interior Design)