10. Neighboring tenants. It may be important to be in a building with certain types of tenants -- for example, businesses that complement yours or provide a needed service. Lawyers, for example, may want to locate in a building where there are accountants or title insurance providers. Healthcare professionals may want to be near a hospital, pharmacy, or lab. Whatever your business, you may want to find a building that houses a health club, coffee shop, or a fast copy service that you, your employees, or your customers will find handy.