Halloran Associates is a company offering insurance services and astrology software solutions in St. Louis, Missouri. The website showcases their business model, featuring A-rated but reasonably-priced astrology software for computing horoscopes on Windows desktop/laptop computers and servers catering to thousands of customers monthly. Astrology software includes synastry, asteroid, transit list calculations, and reports that can be sold royalty-free or as part of a comprehensive astrology practice.