One of the most important aspects of any spa franchise is having a nice, inviting interior that people feel comfortable in. A spa is different from other types of businesses; while you want to have some sort of comfortable feeling if you are running, say, a tax service, you can typically get away with it as long as you have decent service. A spa, on the other hand, runs on people who want to feel relaxed and want if you’re business doesn’t give off that feeling, well, you are in trouble. Be sure to work with a qualified interior designer to get things off on the right foot.