UPDATE: 2/4/16, 11:45 a.m. EST. Greenberg Traurig Maher’s U.K. financials slipped 6 percent in the year ending March 31, 2015, according to sibling publication Legal Week.

Greenberg Traurig, an Am Law 100 firm with Miami roots known for its spectacular growth over the past few decades, said Wednesday that it is in preliminary merger discussions with a large British firm, Berwin Leighton Paisner.