Legal services aren’t just for law firms anymore. As Bloomberg Law’s Sam Skolnik explains in this video, for law firms “there’s real reason to be concerned about the rise of the Big Four in the legal space.”

The Big Four accounting firms started making headway in the industry in the 1980s. While the Enron scandal and subsequent Sarbanes-Oxley Act slowed things down, today the Big Four accounting firms employ enough lawyers to rank among the largest law firms by headcount.

(Video by RJ Jewell. Graphics by Jonathan Hurtarte) (Source: Bloomberg Law)