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
Recent Resources
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R&D Tax Credit ServicesJanuary 22, 2026
R&D Tax Credits in 2026: Innovation Meets Opportunity
by Tanner Niehaus, CPA, & David Seibel, EAThe OBBBA introduced changes to research expensing as well as the R&D Tax Credit, and industry and legislative pressures continue...
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Fixed Asset ServicesJanuary 22, 2026
Missouri Retail Facility Cost Segregation Study
by Dave McGuireMcGuire Sponsel was contacted by a CPA firm to conduct a cost segregation study for a recently acquired retail facility...
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Fixed Asset ServicesJanuary 16, 2026
What to Know About North Carolina’s 2026 Property Tax Revaluations
by Matthew BarnhillNorth Carolina’s upcoming reassessment cycle marks a significant reset for property owners.
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Fixed Asset ServicesJanuary 15, 2026
IRS Notice 2026-11: What CPAs Need to Know About Bonus Depreciation Post-OBBBA
by Dave McGuireOn January 14, the Internal Revenue Service released Notice 2026-11, providing much-needed guidance on the implementation of Section 168(k) bonus depreciation following...



