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Kupiec and Martin provides a unique hands-on approach to our clients needs. We listen to our clients and provide a multi-faceted approach to solving their issues by understanding their business to provide the optimal solution. At Kupiec and Martin we value our clients' business and seek to create lasting business relationships.

Multi-State Income Tax Expertise
  • Unitary Analysis
  • Apportionment Analysis
  • Nexus Issues & Studies
  • Statutory/ Regulatory Analysis
  • Legislative/Administrative Solutions
  • Letter Rulings
  • Audit Resolution
  • Franchise Tax
  • Mergers and Acquisitions
  • Utility Tax Issues
  • Credits and Incentives
  • Throwback/Throwout
  • 80/20 Company Issues
  • Financial Organizations
  • Transportation Companies
  • FIN 48 Analysis
  • Addback Issues
  • NOL Review & Utilization
  • Entity Conversion
  • Individual Residency Issues
State Tax Litigation
  • Illinois Independent Tax Tribunal
  • Administrative Hearings
  • Illinois Circuit Court (including False Claims Act / Whistleblower cases)
Multi-State Sales Tax Expertise
  • Nexus Issues
  • Rate Issues
  • Exemptions & Resale Certificates
  • Audit Resolution
  • Letter Rulings
  • Cloud Issues
  • FAS 5
  • Taxation of Services
  • Software Service Issues
Controversy Resolution
  • Nexus Questionnaires
  • Voluntary Disclosure
  • Audit Assistance/Resolution
  • Informal Resolutions/Settlements
  • Illinois Informal Conference Board
  • Offers in Compromise
Other Services
  • Loan Staff
  • Manage/Respond to State Notices
  • Other Legal Services
Who We Are E-mail Natalie Martin E-mail David Kupiec Who We Are