Before Mauricio Umansky founded The Agency in 2011, he was one of the country’s highest-producing realtors. At one point The Wall Street Journal recognized him as the #3 agent in the U.S. and #1 in California when he was with his brother-in-law Rick Hilton’s firm, Hilton & Hyland. Mauricio Umansky and wife, Kyle Richards, at a new Agency office opening. The Agency “The industry used to be archaic—nobody had redefined it in a long, long time,” Umansky tells Forbes. “The real estate industry was certainly lagging, and technology has not really been brought into the business when I started. We were still looking at MLS and the real estate inventory…