The accounting and advisory firm Marcum LLP has acquired Croskey Lanni, PC, a notable Detroit, Michigan area-based firm with an office in Boca Raton, Florida.

This transaction establishes a presence for Marcum in Michigan and enhances the firm’s capabilities in tax, assurance, technology, and financial advisory & accounting services throughout the Midwest. Croskey Lanni’s Florida team will also bolster Marcum’s operations in the state. Croskey Lanni brings six partners and more than 50 dedicated associates to Marcum.

The Croskey Lanni team has a strong reputation for serving privately held businesses in construction/real estate, material handling, professional services, trusts/estates, and nonprofit organizations. They have also been leaders in the charter school industry since its inception in the 1990s. Barclay Planning Group, owned by Croskey Lanni, offers pension administration services and will also join Marcum.

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Jeffrey Weiner, Chairman & CEO of Marcum, expresses enthusiasm about the new chapter, stating, “Our shared values and commitment to excellence drove the acquisition of Croskey Lanni. Both firms focus on providing customized solutions for complex business challenges. 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.”

Clients of Croskey Lanni are poised to benefit from a broader spectrum of services. Marcum introduces advanced assurance, tax, and advisory services alongside a full array of specialized business and financial solutions relating to R&D tax credits, international tax, transaction advisory, and advanced cyber and information security services.

David Croskey, founder and managing partner of Croskey Lanni, reflects on the cultural harmony: “Both Marcum and Croskey Lanni offer complementary business services with a shared passion and commitment to our teammates and clients. We both hold similar cultural values that encourage teamwork, innovation, and professional growth. This move creates exciting new opportunities for our team members while setting the stage to deliver unprecedented solutions for our 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.”

Michele Weber, Office Managing Partner for Rochester, Michigan, and Steve Scheel, Office Managing Partner for Novi, Michigan, and Boca Raton, Florida, join Marcum in these new leadership capacities.