Sonia M. Phanse

Sonia M. Phanse: Attorney with Shein Phanse Adkins P.C. AV stamp icon
  • Senior Associate at Shein Phanse Adkins P.C. (4 Attorneys)
  • Scottsdale Spectrum, 6720 N. Scottsdale Rd., Suite 261, Scottsdale, AZ 85258
    View Sonia M. Phanse's office location
  • Peer Reviews

    4.9/5.0 (11)
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Attorney Awards


Sonia M. Phanse is a Pittsburg native. Sonia’s practice focuses, commercial secured and unsecured lending, state and federal taxation and estate planning. Sonia also assists clients with complex business transactions, entity formation, mergers and acquisitions, employment and operating agreements and trademark registrations.

Sonia specializes in complex secured and mezzanine financing transactions and associated business formation and planning. Sonia also works on organizing and structuring joint venture relationships in a variety of different industries, including transactions involving limited liability companies, corporations and partnerships, and the preparation of operating agreements, partnership agreements, shareholder agreements and related employment contracts 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'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 is a Partner at Chester & Shein 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 been recognized as a Rising Star in the area of taxation by Southwest Super Lawyers®.

Areas of Practice (29)

  • Corporate Tax Planning
  • Corporate Formation
  • Corporate Real Estate
  • Estate Planning
  • Family Trusts
  • Family Wealth Transfer
  • International Estate Planning
  • Living Trusts
  • Personal Planning
  • Powers of Attorney
  • Trust Planning
  • Wealth Planning
  • Wealth Preservation
  • Closely Held Corporations
  • Corporate Commercial Law
  • Corporate Contracts
  • Corporate Control Contests
  • Corporate Finance
  • Corporate Governance
  • Corporate Income Tax
  • Corporate Organization
  • Corporate Planning
  • Corporate Taxation
  • Family Corporations
  • Incorporation
  • Professional Corporations
  • S Corporations
  • Small Business Corporations
  • Transfer Pricing

Education & Credentials

Contact Information:
480-447-5873  Phone
480-922-3933  Phone
480-922-3969  Fax
University Attended:
University of Southern California, B.A., Broadcast Journalism, 2000
Law School Attended:
Golden Gate University School of Law, J.D., 2004; Golden Gate University School of Law, LL.M., Taxation, 2005
Year of First Admission:
2005, California; 2006, Arizona; 2011, Hawaii
State Bar California; State Bar of Arizona; Hawaii State Bar Association.
Birth Information:
Pittsburgh, Pennsylvania, July 11, 1978

Peer Reviews

  • 4.9/5.0 (11 reviews)
  • High ethical standing icon
  • A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience

  • 5.0/5.0 Rated by a Shareholder on 10/17/18 in Business Law

  • 5.0/5.0 Rated by a Shareholder on 10/17/18 in Taxation

    Sonia is an excellent lawyer with the highest ethical standards. I have worked with her in tax, business and commercial transaction matters. She is one of the best lawyers in these areas I have ever worked with.

    Sonia is an excellent lawyer with the highest ethical standards. I have worked with her in tax, business and commercial transaction matters. She is one of the best lawyers in these areas I have ever worked with. Read less

    Read less

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*Peer Reviews provided before April 15, 2008 are not displayed.

Scottsdale, Arizona

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