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Fabio Ambrosio

Tax Attorney at Lacey, WA

5.0   5 reviews

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About Fabio

Learn Fabio’s areas of practice.

I am a rare breed in the tax industry. Not only I hold many credentials in law, tax, accounting, finance, and business valuation, but I actually understand the tax industry due to years of real world work experience resolving enormous tax cases involving business valuation and accounting issues of the finest kind. I worked in the wealth industry on the government side as well as on the academic and private side. I have domestic and international experience. I can help you resolve just about any tax-related issue you may be facing.

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Licensed for 13 years
State NY
Status Currently Registered
Acquired 2022
Updated 11/17/2022
State WA
Status Active
Acquired 2009
Updated 03/18/2023

We have not found any instances of professional misconduct for this lawyer.

Contact Fabio

Fabio Ambrosio
TWV Advisory, LLC
PO Box 5254
Lacey, WA, 98509


5.0 / 5.0
  5 customer reviews
5 Star
4 Star
3 Star
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1 Star
Posted by David from Seattle | September 25, 2010
A Great Experience
Being audited by the government is never a good experience. We sought professional advice from Fabio, and were delighted with his ability to see our situation clearly and advice us correctly. He then followed through with all his commitments and the end result was exactly as he predicted. I can say he has a brilliant mind and a great personality.
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Posted by Sarah | September 25, 2010
Fabio helped a great deal with our difficulte immigration case
Fabio Ambrosio helped us out a great deal on our difficulte immigration case and got it won for us!! All along he was understanding and patient and worked very hard for us.
Posted by Andrea | May 5, 2010
Fabio Ambrosio, no need to look further
As a small business owner I have been in the situation of having to use legal services multiple times, unfortunately. But how do you select a lawyer once you realize you need one? I tend to be a careful person when it comes to spend $150+/hour. So, whenever I needed a lawyer, I did a lot of research online trying to understand where I would get the best service for the least amount of money, but in the end I always found myself selecting lawyers who had been recommended to me. I highly recommend Fabio’s legal services. Having used different lawyers before, I have learned that the value of a lawyer is not reflected in his or her hourly rates. Ultimately, paying $25 or $50 more or less per hour doesn’t make a difference when it comes to legal services, at least in my eyes. What we all seek from lawyers is the certitude that the lawyer is knowledgeable, well prepared and able to give the legal advice that we need. But, most importantly I feel that a good lawyer is someone who is genuinely interested in providing the best service possible to his client and is willing to go the extra mile making sure that all aspects of the legal issue have been screened, thus giving the client a piece of mind an extra $25 or $50 can not pay. In Fabio you will find a person who is genuinely interested in delivering the best service possible and works hard in order to find the best solution for your legal issues. Fabio is smart, accurate, a quick thinker who doesn’t waste his and your time and is always well prepared and willing to spend the extra energy in order to find you your piece of mind. I give him 6 stars and know that if you are looking for a truly good lawyer, your search should end here.
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Posted by anonymous | February 16, 2010
Mr. Ambrosio is an excellent lawyer
We consulted Mr. Ambrosio about a complex problem that touched on many different legal areas (immigration, business and tax). We couldn't have found a better lawyer to advise us. Mr. Ambrosio is excellent and well informed on things going on in the U.S. and abroad.
Posted by anonymous | December 21, 2009
Fantastic lawyer - highly recommended
Fabio is above the cut when it comes to attorneys. He is not only extremely knowledgeable, but makes every effort to help his clients make decisions that are in their best interest. I give him my highest recommendation and will continue to use his services.


We have not found any cost information for this lawyer


AVVO RATING 8.3 (Excellent)

Work Experience

  • Assistant Professor of Accounting
  • Central Washington University
  • 2017 - Present
  • Summer Fellow
  • Franklin University Switzerland
  • 2015 - 2016
  • Assistant Professor of Accounting
  • Pacific Lutheran University
  • 2014 - 2017
  • Attorney at Law
  • Internal Revenue Service
  • 2010 - 2015
  • Extern Attorney
  • Washington State Department of Revenue
  • 2009 - 2009
  • Legal Counsel
  • Partners Group AG
  • 2008 - 2009
View all work experience


  • Seattle University School of Law
  • JD - Juris Doctor
  • N/A
  • University of North Alabama
  • MBA - Master of Business Administration
  • N/A
  • University of Washington School of Law
  • LL.M - Master of Laws
  • N/A
  • Brigham Young University
  • BA - Bachelor of Arts
  • N/A
  • University of Washington School of Law
  • PhD - Doctorate
  • N/A
View all education


  • Chartered Accountants Ireland
  • Associate Chartered Accountant (ACA, Ireland)
  • 2020 - Present
  • Certified Financial Planner Board of Standards
  • Certified Financial Planner (CFP)
  • 2017 - Present
  • American Institute of Certified Public Accountants
  • Personal Financial Specialist (PFS)
  • 2017 - Present
  • American Institute of Certified Public Accountants
  • Accredited in Business Valuation (ABV)
  • 2017 - Present
  • National Association of Certified Valuation Analysts
  • Master Analyst in Financial Forensics (MAFF)
  • 2014 - Present
  • American Institute of Certified Public Accountants
  • Chartered Global Management Accountant (CGMA)
  • 2014 - Present
  • Washington State Board of Accountancy
  • Certified Public Accountant (CPA)
  • 2013 - Present
  • National Association of Certified Valuation Analysts
  • Certified Valuation Analyst (CVA)
  • 2013 - Present
  • United States Federal Mediation and Conciliation Service
  • Mediator
  • 2013 - Present
  • Association of Certified Fraud Examiners
  • Certified Fraud Examiner (CFE)
  • 2007 - Present
View all associations

Languages Spoken

  • German
  • Italian
  • English

Honors and Awards

  • Excellence in Research
  • Central Washington University College of Business
  • 2020
  • Fulbright Specialist
  • U.S. Department of State’s Bureau of Educational and Cultural Affairs
  • 2016
  • Excellence in Teaching
  • Pacific Lutheran University School of Business
  • 2015
  • Appeals Chief National Award
  • Internal Revenue Service, Office of Appeals
  • 2014
  • Appeals Chief National Award
  • Internal Revenue Service, Office of Appeals
  • 2012
  • Special Act Award
  • Internal Revenue Service Office of Appeals
  • 2012
View all awards

Speaking Engagements

  • 2017 Tax Development Conference
  • The Jones-Shafroth Act, the McCarran-Walter Act, Section 2209, and Discriminatory Consequences against Puerto Ricans
  • 2017
  • 7th Annual Center for Leadership and Social Responsibility Research Development Conference
  • The Washington Perspective on Special Purpose Local Option Sales Taxes
  • 2016
  • 50th Annual Conference
  • The Impact of Local Option Sales Taxes on Fiscal Inequalities in the Administration of Justice
  • 2016
  • 49th Annual Conference
  • Preserving the Tax Base in Estate Tax Elections Conditioned on Valuation Thresholds: Enforcement & Compliance Challenges Involving Sections 2010, 2032, and 2032A
  • 2015
  • 48th Annual Conference
  • When a Philanthropic Gift Becomes a Burden
  • 2014
  • The Cost-Effective Small Office
  • How to Run a Successful Practice Using Open-Source Software and Other Resources
  • 2010
  • The 5th Annual WSBA Solo and Small Firm Conference
  • The Non-Traditional Firm: Why you Want One and How to Create One
  • 2010
View all speaking engagements

Attorney endorsements

Received (2)
Given (4)
Endorse Fabio
Immigration Attorney | Apr 27
Relationship: Fellow lawyer in community
"I sought a second opinion from Fabio on an immigration matter I was working on. Fabio's advice was dead-on, practical, and economical for my client. He is highly knowledgeable about the law, is creative in his thinking, and definitely thinks and sees things outside the box."
Tax Attorney | Feb 02
Relationship: Fellow lawyer in community
"Fabio nails it! He is a smart, energetic, and accessible attorney who finds practical solutions for his clients. Fabio helps his clients save time, money and headaches. I trust Fabio with my referrals."

Avvo Contributions

This attorney hasn't created any legal answers in Q&A or legal guides recently on Avvo.

Lacey Tax Lawyer Fabio Ambrosio
Fabio Ambrosio
Tax Attorney
Lacey, WA
Licensed for 13 years