Editor’s note: This is part of a series of articles detailing how law firms fared financially in 2021, leading up to the Am Law 100 report on April 26 and the Am Law 200 report on May 24. The full collection is available here.

Armstrong Teasdale achieved nearly 20% revenue growth in 2021, more than doubling its 2020 growth, driven by an expansion strategy that included starting offices in Delaware and London, and a slate of lateral additions.