A good example of a simple but useful webpage is the Body Club's.
www.bodyclubbangkok.com
It provides all the basic information one needs including a clear and concise map.
I make a visit there every time I'm in Bangkok, having always been quite satisfied with their selection of masseurs (medium-built to well-built) and the standard of service....so yes, this is a plug for them and they've earned it from me.
The problem for a business goes beyond getting a webpage up. They must know how to maintain and update it, including such basics as renewing the domain name registration on time! They're better off paying a small annual retainer to a webdesign company to keep an eye on the website for them than to engage someone to design it and then walk away.