Mariano L. Sori, ESQ., CPA
Managing Director
Tel. No.:  (312) 588-3408
Fax No.:  (312) 588-3458
E-mail:  This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
 Click for vCard

Mariano Sori is a Managing Director at True Partners Consulting.  He has practiced state  tax consulting in public practice for 19 years and concentrates on income and franchise tax issues, such as jurisdiction to tax, apportionment of income, unitary taxation, business/non-business income, allocation of partnership items, and state filing options. 

Mr. Sori's focus is on the delivery of state tax diagnostic reviews designed to provide businesses with an assessment of their state tax status, including the identification of refund and prospective filing opportunities and the reduction of exposure in multiple jurisdictions.  As part of his practice, Mr. Sori performs corporate restructuring projects that assist companies to design and implement structural enhancements to minimize their state tax liabilities and generate long-term state tax reductions.       

In addition to his proactive state tax planning, Mr. Sori consults on all aspects of state income tax, including participating in mergers and acquisition transactions that evaluate the state tax impact of expanding or diversifying business operations, drafting opinion letters that analyze the state tax consequences of business transactions, as well as assisting companies with compliance requirements, state tax accrual reviews, and state tax controversy.  He has worked with Fortune 500 and mid-sized companies in such industries as manufacturing, retail, financial services, real estate, and transportation. 

Prior to joining True Partners, Mr. Sori worked 10 years at Deloitte & Touche as part of their national state and local tax practice.   In his national role, he was responsible for planning and directing several state income tax offerings.  Prior to Deloitte & Touche, he worked at KPMG Peat Marwick in their state and local tax practice. 

Mr. Sori has a Bachelor of Science degree in Accounting from Indiana University and a Juris Doctorate degree from IIT-Chicago Kent College of Law.  He is a Certified Public Accountant and a member of the American Institute of Certified Public Accountants, the Illinois Certified Public Accountants Society, and the American Bar Association.