Lambert & Co. has acquired Casteel Schoenborn Investor Relations & Corporate Communications. The deal marks Lambert's seventh transaction and second in the last two months.  

The transaction is expected to advance Lambert's strategy to be the nation's leading integrated investor relations and public relations firm for emerging and established market leaders through organic growth, acquisitions and innovation. Terms of the deal were not disclosed.

"The Casteel Schoenborn team has built a tremendous business offering strategic guidance to publicly traded regional and community banks and other U.S. financial services firms, making them a perfect fit to accelerate our strategic plan and bolster our IR and financial services sector expertise," said Lambert & Co. Founder and CEO Jeff Lambert in a statement. "Their unique approach, enduring partnerships with management teams and vast experience set enhances our current client roster and creates a true financial services powerhouse."  

Williamsville, New York-based Casteel Schoenborn serves public and private enterprises, private equity firms and their legal and financial advisers in other industries nationwide, advising on a wide range of issues including mergers and acquisitions, divestitures, public offerings and private placements, among other services.

Casteel Schoenborn’s team is joining Lambert as part of the transaction, with principals Lynn Casteel and Jeffrey Schoenborn named managing directors.