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Sonia M Phanse

Corporate and incorporation Attorney at Scottsdale, AZ

5.0   5 reviews
  • State Years
    Hawaii - HI 12 years
    Arizona - AZ 17 years
    California - CA 18 years
  • Licensed for 12 years
    State HI
    Acquired 2011
    Active No misconduct found
  • Licensed for 17 years
    State AZ
    Acquired 2006
    Active No misconduct found
  • Licensed for 18 years
    State CA
    Acquired 2005
    Active No misconduct found

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

About Sonia

Learn Sonia’s areas of practice.

Sonia is a Pittsburgh native. Sonia’s practice focuses, business, tax and estate planning, as well as commercial secured and unsecured lending, and state and federal taxation. Sonia also assists clients with complex business transactions, entity formation, mergers and acquisitions, employment and operating agreements.
Sonia’s full service estate planning practice includes the preparation of revocable and irrevocable wills and trusts, durable powers of attorney, health care powers of attorney and living wills, life insurance trusts, charitable trusts, succession plans for closely held businesses, family limited partnerships and minor’s trusts. Sonia also specializes in complex secured and mezzanine financing transactions and associated business formation and planning.
Sonia has extensive experience organizing and structuring joint venture relationships around real estate and real estate financing transactions, including transactions involving limited liability companies, corporations and partnerships, and the preparation of operating agreements, partnership agreements, shareholder agreements for large and small business – from start-ups to established institutional clients and publicly traded entities.
Sonia’s annual transaction volume regularly exceeds $250,000,000 a year, and her experience includes highly complex real estate and business acquisitions, asset-based and unsecured financing and debt restructuring.
Sonia is a Partner at Shein Phanse Adkins, P.C., and earned a Bachelor of Arts degree in Broadcast Journalism from the University of Southern California in 2000. She graduated from Golden Gate University School of Law in 2004 and earned her LL.M. in taxation from Golden Gate University in 2005. Sonia has an AV Rating® from Martindale- Hubbell and has been recognized as a Rising Star in the area of taxation by Southwest Super Lawyers.®

Contact Sonia

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Shein Phanse Adkins, P.C.
6720 N Scottsdale Rd
ste 261
Scottsdale, AZ, 85253


5.0 / 5.0
  5 customer reviews
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1 Star
Posted by anonymous | April 27, 2017
This review is from a person who hired this attorney.
| Hired Attorney
Estate Planning Update
We moved back to AZ after 6 years in Virginia where our original AZ estate plan docs had been revised and updated to Virginia law. We researched lawyers in Scottsdale (our original AZ attorney had retired) and selected Ms. Phanse based on her credentials. We then followed with a brief interview where she clearly outlined the scope and potential cost of the engagement. Ms. Phanse efficiently reviewed our docs and met with us to review all of the changes in AZ law that had occurred since our last AZ docs were prepared and she outlined the differences between AZ and VA law so that we understood the basis for all of the revisions. She also advised us and executed the necessary filings for setting up a couple of LLCs to hold our rental property. I was very satisfied with her clarity of communications as well as the timelines and quality of the work product.
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Posted by anonymous | April 26, 2017
This review is from a person who hired this attorney.
| Hired Attorney
Exceptional knowledge and service
I have been using Sonia for over six years in all aspects of my commercial real estate business. She has completed work for me in property acquisition and sales, leases, tenant relations and construction contracts. Her expertise in the field and meticulous work provide me with the confidence to highly recommend her for any job. She responds quickly to correspondence. Her pleasant personality shines in even the most difficult situations.
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Posted by Mike | April 23, 2017
This review is from a person who hired this attorney.
| Hired Attorney
Living Trust and Prenuptual
I retained Sonia as my attorney to draft and record both my Living Trust (2012), and my Prenuptial Agreement (2016.) In both cases I was very satisfied with the finished product. In the case of the Living Trust, Sonia researched an unusual request and developed the specifics resulting in the completed corporate document. Most recently, I had a several addendums inserted into the Living Trust. Sonia's work is complete, well-planned, documented, concise, very timely and in both cases confidence was invoked in Sonia and the legal system in general. I have high praise in order for Sonia and her team.
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Posted by anonymous | April 20, 2017
This review is from a person who hired this attorney.
| Hired Attorney
Knows her stuff
I have been using Sonia as my personal and general business attorney for at least 5 years now. She has helped with rental property issues and general business issues as related to my business. She has given me solid legal advice and covers all bases with her answers. This is important when running a business. I am in good hands with Sonia and highly recommend her.
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Posted by anonymous | April 22, 2009
Trusting My Trust
Sonia did a great job establishing my trust and I am confident with my decision to retain her services. She was very thourough and all documents were explained to me in detail. My questions were answered in a timely manner and I felt I was a priority client. I have referred friends to her with no hesitation knowing she will provide exceptional legal service.
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Contact for Details


AVVO RATING 7.6 (Very Good)

Work Experience

  • Partner
  • Shein Phanse Adkins, P.C.
  • 2018 - Present
  • Partner
  • Chester & Shein
  • 2013 - 2018
  • Associate
  • Chester & Shein
  • 2007 - 2013


  • Golden Gate University School of Law
  • LL.M - Master of Laws
  • N/A
  • Golden Gate University School of Law
  • JD - Juris Doctor
  • N/A
  • Univ of Southern Calif
  • Bachelor of Arts
  • N/A


  • State Bar of Arizona, Tax Law Section
  • Member
  • N/A
  • State Bar of California, Taxation Section
  • Member
  • N/A

Languages Spoken

  • English

Honors and Awards

  • AV Rating
  • Martindale-Hubbell®
  • 2018
  • Rising Star
  • Super Lawyers
  • 2013

Attorney endorsements

Received (1)
Given (1)
Endorse Sonia
Trusts Attorney | Oct 03
Relationship: Opposing Counsel on matter
"Sonia is a talented and hard working lawyer that does an excellent job representing her client while still being respectful of opposing counsel. She prides herself on responding quickly to inquiries, and she is a great technical lawyer. Highly recommend."

Avvo Contributions

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

Scottsdale Corporate and incorporation Lawyer Sonia M Phanse
Sonia M Phanse
Corporate and incorporation Attorney
Scottsdale, AZ
Licensed for 18 years