The Why Behind What We Do
At McGuire Sponsel, we help CPA and real estate professionals navigate complex tax issues with clarity and confidence. Specializing in Fixed Assets, R&D Tax Credits, Global Business, and Location Advisory services, we offer technical expertise where traditional tax practices stop—strengthening client relationships and enhancing value.
Our approach is conservative, precise, and relationship-driven. We operate as an extension of your team, aligning with your standards and goals while delivering proven strategies that resonate with taxing authorities and clients alike. With a national footprint and a reputation for integrity, we’re here to support your success—every step of the way.
Focused Expertise
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Fixed Asset Services (Cost Segregation)
Fixed Asset Services (Cost Segregation)
Reclassify assets to optimize depreciation deductions and generate substantial cash flow benefits
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R&D Tax Credit Services
R&D Tax Credit Services
Rewards companies based on their investment in developing new products and processes
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Global Business Services
Global Business Services
Assisting clients in moving goods, people, services, and information across borders
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Location Advisory Services
Location Advisory Services
Guides growing businesses through location decisions while negotiating valuable economic incentives
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Alliance Network
Alliance Network
Strengthening results by delivering solutions outside the scope of regional CPA and real estate firms
Key Industries
With diverse practice areas and a deep technical bench, we deliver solutions that add value for a wide range of industries and company sizes.
Built on People. Trusted for Expertise.
What sets McGuire Sponsel apart isn’t just what we do—it’s who we are. When you work with us, you don’t just get technical expertise; you gain a team of professionals who listen, respond, and show up with purpose. Our people bring clarity to complexity and make collaboration feel seamless.
Clients tell us again and again—it’s our team that keeps them coming back. From fast answers to thoughtful insights, our professionals combine deep tax knowledge with the kind of responsiveness and integrity you can count on. At McGuire Sponsel, we don’t just deliver results—we build lasting partnerships through people who care.
MEET OUR TEAMAVAILABLE CAREER OPPORTUNITIES
Words From Our Clients
“Our clients are very happy with McGuire Sponsel. They offer a great combination of attributes. They are knowledgeable, thorough, responsive, fairly priced and easy to work with. They can handle large projects and small questions. We’re a “team” both trying to service the clients.”
William Richardson, Partner | Sisterson“McGuire Sponsel has been extremely responsive to both the needs of our firm and most importantly the needs of our clients. They have not only helped us and partnered with us to deliver tremendous value to our clients but they make my job easier by allowing us to draw on the expertise of a team.”
Jeff Drummonds, Managing Shareholder | LBMC PC“McGuire Sponsel’s focus on client service is excellent and it seems obvious to me that they understand everything they are working on for us. I have confidence in what they are recommending.”
Brad Hamrlik, Director of Tax | Cortland“McGuire Sponsel is a true partner to us and we have confidence in their ability to bring value to our clients. In fact, we bring them in without hesitation whenever possible because we know they are a valued resource to our firm”
Robert Berger, Partner | Anders“I am confident in the work they do and know it’s done right. McGuire Sponsel is a top notch firm.”
Terry Niegel, Partner | Kernutt StokesRecent Resources
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blogR&D Tax Credit ServicesFebruary 20, 2026George v. Commissioner: What the Tax Court’s Ruling Signals for R&D Credits and Why Documentation Matters
by David Seibel, EAThe Tax Court’s decision in George v. Commissioner offers an important reminder for CPAs working with agricultural clients claiming R&D...
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case studiesLocation Advisory ServicesFebruary 17, 2026Alt Construction Expansion Incentives
by Ben WorrellAlt Construction secured Whitestown, Indiana, property tax abatements and incentives for a $5M expansion project—achieving $422,205 in property tax savings...
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blogR&D Tax Credit ServicesFebruary 16, 2026
R&D Payroll Tax Credit Can Provide Immediate Benefit to AI Start-ups
by David Seibel, EAFor early-stage AI startups, the R&D Payroll Tax Credit can provide something rare — immediate cash-flow relief. This blog breaks...
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blogFixed Asset ServicesFebruary 13, 2026
IRS Guidance on Prohibited Foreign Entity (PFE) Requirements for Certain Tax Credits
by Dave McGuireNotice 2026-15 provides long-awaited guidance on Prohibited Foreign Entity requirements and MACR calculations. Here’s what it means for clean energy...