Anthony Sorrentino

Anthony Sorrentino

Managing Director

Tax Automation Services

Anthony is a Managing Director in GTM’s Tax Automation Services (TAS) group and is responsible for the delivery of all TAS services.  As part of his role Anthony oversees the engagements and personnel of TAS.  He specializes in creating innovative solutions that are tailored to meet his client’s needs in implementations of tax technology software, collaboration technologies, and data management solutions.

Joining GTM in 2006, Anthony spent the first 5 years in the lead tax practice.  While in the lead tax practice, he focused on tax compliance and tax accounting, leading engagements on Fortune 500 companies including companies in the Fortune 10. He also became one of the firm’s go to resources for ONESOURCE Income Tax (OIT). In the Tax Automation Services group, he has worked on numerous implementations and redesigns of ONESOURCE Tax Provision (OTP).  He has also led multiple engagements connecting ONESOURCE products to worldwide consolidation tools such as Magnitude and Amana GTC.  Anthony is well versed in all direct income tax products and specializes in designing overall tax technology strategies to maximize the usage of a client’s existing software as well as recommending new software’s or processes to fill any gaps.

Prior to joining GTM, Anthony worked at William E. Howe & Co., CPA’s where he was responsible for the preparation of corporate, partnership, and individual income tax returns. He was also involved with general bookkeeping, payroll, and unemployment tax returns and year end W-2 and 1099 reporting.

Anthony was raised in Ridley Township, PA, where he still resides today with his wife Rachel and dog Maverick. He enjoys spending time with family and friends, especially his twin nephews and godson. Anthony is also an avid Philadelphia sports fan.


Thomson Reuters ONESOURCE Certified Implementer


B.S. in Business Administration with a concentration in Accounting from Drexel University