Marcum LLP Expands Presence into Michigan with Acquisition of Croskey Lanni PC

New York-based IPA 100 firm Marcum (FY22 net revenue of $1.2 billion) announces its acquisition of Rochester, Mich.-based Croskey Lanni (FY22 net revenue of $10 million). This move marks Marcum’s entry into the Michigan market while bolstering its capabilities in tax, assurance, technology, and financial advisory and accounting services across the Midwest.

Jeffrey Weiner, chairman and CEO of Marcum, said, “Our shared values and commitment to excellence drove the acquisition of Croskey Lanni. Croskey Lanni’s impressive track record of working closely with clients to enhance value complements Marcum’s strategic vision, making this merger an ideal combination of our strengths.”

Reflecting on the merger of the two firms, David Croskey, founder and MP of Croskey Lanni, remarked, “Both Marcum and Croskey Lanni offer complementary business services with a shared passion and commitment to our teammates and clients. Teaming up with Marcum will allow us to continue our vision with the resources they provide. Based upon our research and within our industry, we believe Marcum is the best CPA firm in America, and we are proud to become a part of their platform.”

Dani Gisondo, Marcum’s regional MP in Ohio and Michigan, commented on the advantages of the partnership. “Croskey Lanni has an excellent reputation and a deep understanding of the business landscape in the Midwest and Florida. This partnership will create opportunities for both firms’ associates and strengthen Marcum’s position with the addition of Croskey’s talented team.”


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