About StoneBridge Counsel

After representing the IRS in hundreds of court cases, tax attorney Sandeep Singh realized there was a unique need for his skill set on the other side. He founded StoneBridge Counsel to use his knowledge and experience to provide powerful representation to taxpayers in audits, enforced collections, and other disputes with the IRS and state and local taxing authorities. He has a passion for helping people with tax problems and serves all types of taxpayers in the San Francisco, CA area.

To learn more, call 925-255-0121 or request your consultation online. Current response time is four hours.

Sandeep Singh, Tax Attorney

sandeep singh tax attorneySandeep is a former litigator for the Internal Revenue Service (IRS) Office of Chief Counsel, and holds an advanced degree (LL.M.) in taxation. As a Chief Counsel attorney for the IRS, Sandeep analyzed legal arguments advanced by taxpayers and their counsel in disputes with the IRS, determined the strengths and weaknesses for the government’s case, crafted litigation strategies, coordinated complicated legal matters with the IRS’ National Office in Washington D.C., and tried cases on behalf of the IRS. Sandeep‘s powerful representation resulted in numerous settlements with taxpayers and opposing counsel without the need of a trial, as well as many successful trials.

In his extended experience as a tax attorney, Sandeep represented clients in a variety of matters, including IRS audits, IRS criminal investigations, IRS collection enforcement, and tax litigation in Federal District Courts as well as the U.S. Court of Federal Claims.

Sandeep’s ability to resolve matters for his clients stems from not only his tax law knowledge but also his broad base of litigation experience. This includes representation of clients in trust & estate, commercial, and real estate litigation, as well as service to judges in state circuit and federal district courts.

Sandeep graduated the top of his class at the University of Maryland School of Law. He is multifaceted as a decorated veteran of the United States Army and multilingual in Punjabi, Hindi and Urdu. Sandeep served in the United States Army for five years, where he led a platoon of Infantry Paratroopers. He also serves as an Adjunct Professor at the Golden Gate University School of Taxation, where he teaches a graduate course in tax law. He also utilizes his passion for law in his local community, appointed by the city counsel of Concord to serve as the chairman of the Residential Rent Review Board.

Professional Background

  • Bar & Court Admissions
  • State Bar of California
  • State Bar of Maryland
  • United States Tax Court
  • United States District Court, Northern, Southern, Eastern, and Central District of California
  • United States District Court for the Northern District of Maryland
  • U.S. Court of Appeals for the Ninth Circuit


  • University of San Francisco, LL.M. in Taxation
  • University of Maryland School of Law, J.D. cum laude
  • American Military University, B.A. cum laude

David R. Socher, Attorney at Law, Of Counsel

David Socher brings a wealth of knowledge and civil litigation experience to the Firm. With three decades of litigation experience during which he represented Allstate Insurance Company and other multinational companies in state and federal courts, David focuses his practice on civil litigation, business disputes and representing clients in cross-border transactions.

In addition, David is well versed in business law. David honed his business law credentials while practicing law in Japan for nearly 10 years. David was a partner in an international law firm in Tokyo, Japan, where he practiced business law and civil litigation and was a member of the Tokyo Bar Association as a Gaikokuho jimubengoshi - Foreign Law Attorney. As an attorney in Tokyo, Japan, David typically represented U.S. and European companies doing business in Japan and Japanese companies, including the Japanese government, doing business in the U.S. and/or involved in civil litigation in U.S. courts.

David is the Chair of the Northern California District Export Council (NorCal-DEC), under the U.S. Department of Commerce, representing and advising California businesses exporting goods and services to foreign countries, including U.S. foreign direct investment.

David lives with his wife and children in Lafayette California. He enjoys gardening, Astro photography and playing the guitar in his free time.


  • J.D. - University of San Francisco School of Law, 1991
  • B.A. - University of California, Los Angeles, 1988