McGuire Sponsel is a specialty tax consulting firm offering services like R&D Tax Credits, Fixed Asset Services (including cost segregation), Global Business Services, and Credits & Incentives. They partner with CPA firms to provide expertise beyond traditional accounting practices. Their target audience includes CPAs and businesses across the U.S. The unique selling proposition is their conservative and methodical approach to tax services, which respects the CPA/client relationship and has a strong track record with the IRS[1][2][3].