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PrietoDion Consulting Partners LLC
              Tax Consultants for the U.S. and International (non-U.S.) Businesses              
Comprehensive State & Local Tax (SALT) Consulting Services 
for U.S. and International (non-U.S.) Businesses
Welcome to
 PrietoDion Consulting Partners LLC

We are a Tax Consulting firm with a focus on providing State & Local Tax (SALT) consulting services and solutions to businesses throughout the United States and across the GLOBE!  We can help your business navigate the complex U.S. Tax waters!

Dedicated Service,  Expert Knowledge,   Proactive Solutions,  Sound Advice 

PrietoDion Consulting Partners LLC® 
8 Hutchins Way, Westford, MA 01886   978-846-1641 (direct) / 978-923-8666 (fax)

Interested in learning more about our services?
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  • On June 21, 2018, the U.S. Supreme Court held in favor of the state in South Dakota v. Wayfair and overturned the Quill physical presence standard. Several states have also adopted economic nexus for sales tax - and it's expected that more will follow. If you'd like to see which states have adopted economic nexus, please download our Economic Nexus chart for a comprehensive listing for states, effective dates, economic nexus thresholds, links to State Tax Agency announcements, webpages and FAQs.