When you visit a business that's been around for a long time, you usually can make at least some assumptions about it -like the fact that it's reputable. But for us Americans, a business being around "a long time" means nothing compared to what it means in Europe or Asia.
Over on Top Tenz, you can learn about some seriously old businesses, including the oldest pubs (which has been around in Ireland since about 900 AD) and the oldest hotel (which has been in Japan since 705 AD).
Similarly, another displaced Samurai reluctantly made his home estate into an inn on the road between Edo and Kyoto. This inn is wonderfully described in Oliver Statler's book "Japanese Inn" (http://www.amazon.com/Japanese-Inn-Oliver-Statler/dp/0824808185).