More large law firms are looking to cash in on lucrative congressional investigations work, investing in new talent and formalizing dedicated practice groups.

While Covington & Burling; Wilmer Cutler Pickering Hale and Dorr; and Hogan Lovells are among well-known firms in this space, at least three other big firms have launched a congressional investigations practice group in 2024, seizing the opportunity to promote the practice to their current clients. Experts say the practice area is full of business potential for big firms, since the number of investigations is growing and the “bet-the-company” matters frequently involve the board and top executives.