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PrietoDion Consulting Partners LLC
              Tax Consultants for the U.S. and International (non-U.S.) Businesses              

PrietoDion Consulting Partners is a Tax Advisory Firm specializing in advising and assisting U.S. and non-U.S. Businesses with Understanding and Managing their Multi-State Tax Obligations.  We provide our State & Local Tax (SALT) advisory services to businesses located throughout the United States and in Europe, Canada, Australia, New Zealand and Latin America. 


PrietoDion Consulting Partners LLC was founded and is managed by Sylvia Dion, CPAPrior to launching PrietoDion Consulting Partners, LLC, Sylvia's 30+ years of professional tax experience include holding SALT Senior Management and Leadership positions with Ernst & Young (EY) and Grant Thornton, including serving as the New England Area Director of Employment Tax Services for EY.  In addition to her public accounting experience, Sylvia has also worked in the corporate tax departments of several high-tech, software and manufacturing companies. 

Currently, Sylvia specializes in providing State & Local Tax (SALT) consulting and compliance services to businesses within the US and from many parts of the world. Additionally, Sylvia's SALT focus covers many industries, including online retail, software (including SaaS providers), digital product vendors, and manufacturers. 

In addition to providing tax consulting services and solutions, Sylvia is a speaker, writer and avid tax blogger. Her articles on SALT issues and developments have been published in the Journal of AccountancyJournal of State TaxationJournal of Multistate Taxation and IncentivesJournal of Practical US/Domestic Tax StrategiesBloomberg BNA Tax Management Multistate Tax ReportBloomberg BNA Weekly State Tax ReportTax-Analysts State Tax Notes, and Institute for Professionals in Taxation (IPT) Tax Report. Sylvia is also the author of the "Minding Massachusetts" column published quarterly in Tax Analysts - State Tax Notes. She also frequently presents to executive and industry groups and on practitioner webcasts and has been quoted in several news reports and articles, including in Bloomberg BusinessWeek, the Boston Globe, Forbes.com, NPR and other media.

Sylvia is also regarded as an authority on SALT Nexus Issues, Economic Nexus, Marketplace Facilitatory Tax Laws, state "Amazon Laws" and prior Federal "Internet Sales Tax" legislation.  As a Massachusetts based practitioner, Sylvia is also regarded as a subject matter expert and top adviser on Massachusetts tax issues. Her writing and blogging efforts have also focused on Massachusetts tax developments, including authoring articles and blogs on significant Massachusetts tax developments, such as the enactment and repeal of the Massachusetts' "tech-tax", Massachusetts' adoption of economic nexus, enactment of the Massachusetts recreational Marijuana law, Massachusetts' efforts to enact a "Millionaire Tax," and on several key Massachusetts court decisions. 

She holds a Bachelor in Business Administration (BBA) - Accounting from the University of Texas at El Paso, and a Masters in Professional Accounting (MPA) - Taxation Specialization, from the Red McCombs School of Business at the University of Texas at Austin.  Sylvia is a Certified Public Accountant (CPA).

Sylvia is a proud Mexican-American Latina, a wife and mother of 3, is a passionate foodie and cook, and fluent in Spanish. 


You can connect with Sylvia in the following ways:

Email:  sylviadion@prietodiontax.com

LinkedIn: http://www.linkedin.com/in/sylviadioncpa,  

Twitter:  @SylviaDionCPA,