J.H. Cohn and Reznick Group, two top accounting and consulting firms, have completed their merger to form CohnReznick, LLP.

Reznick Group brings a large affordable housing practice to the new firm, which becomes the 11th largest accounting firm in the nation with 25 offices, 2,000 employees, and combined revenues of more than $450 million.

J.H. Cohn CEO Thomas J. Marino and Reznick Group CEO Kenneth E. Baggett will serve as co-CEOs of CohnReznick.