AGL CPA Group is Now Part of
Doeren Mayhew.
Effective July 16, 2025, AGL CPA Group has joined Doeren Mayhew. Discover how this major milestone helps us better support businesses and individuals in the greater Atlanta area.
Press Release
July 28, 2025
Doeren Mayhew, the nation’s 47th largest assurance, tax and advisory firm, has made a significant expansion into the Atlanta market with the merging in of AGL CPA Group (AGL), effective as of July 16, 2025.
Deeply connected in the Atlanta community for over 15 years, AGL serves a diverse client base of closely held businesses and high-net-worth individuals with consulting, tax and attestation services. AGL, which now operates under the Doeren Mayhew brand, brought over its 20-plus employees to the firm. Jay Robbins will act as the managing principal in the region, while its other partners Bradley Sienkiewicz, Jim Leutenegger, Justin Bailey and Daniel Cassandra join the firm’s leadership team as principals.
The transaction establishes Doeren Mayhew’s presence in the region with a new Duluth office and strengthens the capabilities of several practice areas, including tax, audit, transaction advisory, CFO advisory, manufacturing, construction, real estate and professional services. Doeren Mayhew will capitalize on AGL’s deep technology, broker dealer and alternative investments sector experience to expand its industry reach.
“Finding the right strategic partner in the Atlanta community was an important part of our vision for growth in the Southeast,” says Chad Anschuetz, CEO at Doeren Mayhew. “AGL’s established presence of reputable work and technical expertise will accelerate our growth trajectory in this pivotal international hub. We are excited to welcome the AGL team to the Doeren Mayhew family, and we look forward to serving the local community with them by our side.”
“We’re thrilled to join Doeren Mayhew. Culture was the most important factor in finding a partner to grow alongside,” said Bradley Sienkiewicz, AGL’s co-founder and managing partner. “Doeren Mayhew shares a common culture of excellence, great people and bullish vision for the future. Combining forces seems like a natural progression for AGL. It gives us the dynamic platform to provide expansive resources and solutions to our clients, while providing unparalleled career opportunities to our team.”
Alan D. Koltin, CEO of Koltin Consulting Group, who advised both firms on the combination commented, “Expanding into the Atlanta market was a high priority for Doeren Mayhew, and they found the perfect firm in AGL! AGL is young, entrepreneurial and has a great reputation in the technology space. Doeren Mayhew has had significant success in executing on its M&A and lateral talent strategies.”
Doeren Mayhew’s robust growth strategy is fueled by augmenting its technical and industry expertise and expanding its geographic footprint to thriving U.S. markets. AGL marks the firm’s sixth addition in 2025. The firm recently deepened its resources in the Houston and West Michigan regions with the acquisitions of Reimer McGuinness Hess CPAs and Advisors, Vanessa Solá’s practice of Frierson, Solá, Simonton & Kutac, PLLC, Benoit & Associates CPAs and Draper Bialik & Company CPAs. In March 2025, the firm expanded to Nashville via the acquisition of Thurman Campbell Group, PLC.
Uniting Forces
While our name will be changing, our commitment to you isn’t. Together with Doeren Mayhew, we’re unlocking new possibilities and elevating the way we serve you—now and for years to come.
Expanded Resources and Reach
When your ambitions reach beyond Atlanta, you’ll have a powerhouse network of more than 800 professionals in 18 offices—across the country and around the globe—ready to help you seize new opportunities.
Enhanced Service Offerings
With our expanded team, you now have access to a dynamic suite of services—think investment banking, cost segregation studies, cybersecurity, SOC audits, transaction advisory, real estate solutions, talent recruitment, insurance, international consulting and beyond. Whatever your challenge, we’re equipped to help you overcome it.
Deeper Industry Knowledge
Our industry bench strength just got even stronger and broader. With Doeren Mayhew our technical expertise in construction, real estate, professional services and technology industries just got deeper. These are territories Doeren Mayhew thrives in, along with manufacturing, financial institutions, casino gaming, consumer products, dealerships, medical, dental, logistics, distribution, nonprofit, oilfield services and private family offices.
Informed perspectives matter
FAQs
Have questions? We’re all ears—and ready to guide you forward. Reach out and let’s make this next chapter a success together.
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