Mitchell Sandler, a Washington, D.C., financial services boutique created by the union of several ex-Buckley partners, has more than doubled its bench overnight with the arrival 15 lawyers and business professionals from Offit Kurman, Dewey Pegno & Kramarsky, Condon & Forsyth, and in-house roles.

The additions, which include nine attorneys, bring Mitchell Sandler’s head count to around 28, according to a review of the firm’s website.