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PrietoDion Consulting Partners LLC
              Tax Consultants for the U.S. and International (non-U.S.) Businesses              
General Overview of our Services 


We specialize in providing State and Local Tax (“SALT”) Consulting Services and Solutions to companies of all sizes located throughout the fifty United States and across the Globe. 

Our comprehensive approach takes into account that companies faced with multi-state tax issues are often concerned with their reporting and filing requirements for more than just one type of state tax.  

Because we have extensive knowledge and experience in all areas of State Taxwe are able to analyze and offer solutions that address your company's varied state tax concerns!


State Tax Nexus Studies

One of the biggest concerns that many businesses have - especially if they are making sales into many states and / or have employees in or provide services in multiple states is understanding whether they have a requirement to register, file, collect and/or withhold and pay state taxes. A business can be liable to many type of state taxes including;  
  •      Corporate Income Tax
  •      Non-income Based Taxes (e.g., Washington B&O, Texas Margin Tax)
  •      Sales & Use Tax.
  •      Franchise Taxes
  •      State Payroll Withholding

In a nexus study we will evaluate your companies activities in the various states, research and interpret the applicable state laws and advise you on whether your business has nexus in any states, as well as advise and assist you with taking steps to get into compliance.

​State Tax Consulting & Compliance Service for International (non-U.S.) Business

  • We offer comprehensive tax consulting and compliance (filing) services for non-U.S. businesses including the following.
  • Obtaining a Federal Employer Identification Number (EIN) for your foreign entity (often the first step for a foreign company that wishes to conduct business in the United States)
  • Prepare and submit state tax and sales tax registration applications (which require special handling for non-U.S. businesses).
  • We provide a full service sales tax filing services for the international (non-U.S.) eCommerce seller, including filing of monthly, quarterly and annual sales & use tax returns.
  • We consult on issues of legal entity formation and on the advantages and disadvantages of creating a new US entity or conducting business (in the US) through a foreign entity.
  • For international sellers from treaty countries, we advice on the impact of bi-lateral Tax Treaties.
  • Creation or formation of a US legal entity (this service is provided by one of our key partner companies).
  • Establishing of a US bank account (this service is provided by one banking partners and requires travel to the U.S.)
  • In addition to our sales tax filings services, we also provide federal U.S. tax return and state corporate and franchise tax filings services for our full service clients. (Currently our federal and state corporate income/franchise filing services are only available to our clients for which we are handling all aspects of their U.S. tax needs, including their sales tax filings).
  • We are fluent in Spanish and can conduct all of our consultants in Spanish!


e-Commerce Tax Consulting & Compliance Services:

  • We have extensive experience working with eCommerce sellers and advising on the application of the state tax laws including the following:
  • Sales tax nexus studies to assist the eCommerce seller in determining whether they have a requirement to collect sales or use tax in states in which their customers are located.
  • Advising on the impact of "Economic Nexus" and physical presence nexus.
  • Sales tax filing services including sales tax registration, assistance with tax collection set-up on marketplace platform, filing of monthly, quarterly and annual sales & use tax returns. 
  • For the eCommerce seller that wishes to files sales & use tax returns on their own, we are available to advise and assist in evaluating the sales tax calculation software option, and can make recommendations.
  • Advising on whether the products or services provided by the eCommerce seller are taxable in those states in which the seller has sales tax nexus. 
  • Advising on whether the eCommerce seller is subject to other types of state business taxes in those states in which the eCommerce seller is registered for sales tax. 

State Tax Controversy Services:

  •      Voluntary Disclosure Agreements 
  •      Amnesty Evaluation  
  •      Audit Assistance
  •      Notice Resolution






Our fee proposal can be structured to best meet your company's needs; on an hourly basis, on a per state basis, on a per phase basis, and/or on a total project basis.   

Our flexible fee proposal approach eliminates "billing surprises" as clients are well informed of the anticipated service cost.

Interested in learning more? Have a tax issue you'd like to discuss?  

Contact us or request information below