In 1984, the independent Timeform organisation gave Law Society a rating of 129, making him their equal top-rated two-year-old alongside Kala Dancer, while the official International Classification ranked him second behind the same colt. As a three-year-old, Law Society was given a Timeform rating of 130, six pounds behind Slip Anchor. In the International Classification he was the top-rated horse of any age trained in Ireland and the seventh highest-rated horse in Europe behind Slip Anchor, Petoski, Rainbow Quest, Sagace, Pebbles and Shadeed.
