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Expert Witness

Greater Los Angeles and Southern CA Expert Witness

Expert witnesses are often needed in business valuations, analysis of financial statements, malpractice cases, or in notary law litigation or fraud cases. If you are a plaintiff, defendant or attorney seeking an expert witness, David Ostrove, A Professional Corporation can offer the experienced and skilled testimony you need in court.

Our lead attorney has 50 years of legal, accounting, and notary experience and acts as an expert witness in cases involving business, tax, notary law, estates and malpractice, including:

Expert witness experience

Whether your case involves professional malpractice, civil or criminal liabilities, David Ostrove can protect you or your client in a courtroom setting. He has 50 years of experience in business, tax, insurance, fraud, notary, law and professional malpractice cases and can testify in your case. Mr. Ostrove is an experienced expert witness and has been hired by:

  • Government Agencies
  • District Attorneys' Offices; U.S. Attorneys' Offices
  • Insurance Carriers
  • The State Bar
  • Defense Attorneys
  • Plaintiffs' Attorneys
  • Corporations
  • The California CPA Education Foundation
  • Private Individuals

Assignments have included accounting malpractice, tax matters, forensic accounting, computation of damages, valuation of businesses, probate, wills, trusts, breach of fiduciary duties and fraud.


In addition to expert testimony, David Ostrove is also experienced in consulting with defendants or attorneys regarding complex issues relating to litigation. If you are an attorney or need legal assistance in your case, our attorney can advise you and provide expert testimony in your case.

Contact David Ostrove, A Professional Corporation to speak with an experienced lawyer in Greater Los Angeles or Southern California regarding tax law, malpractice, estates, or to hire an expert witness for your case.

Over 50 years of experience • Evening and weekend appointments available • Call now for an initial consultation and case evaluation • Credit cards accepted

Professor of Law & Accounting Certified Tax Law Specialist

Firm Contact Information

David Ostrove,
A Professional Corporation

499 North Canon Drive, 4th Floor
Beverly Hills, CA 90210

Toll Free: (877) 209-8773
Phone Number: (323) 900-0562
Fax Number: (323) 939-3500
David Ostrove Direct Line: 310-348-1388
David Ostrove Cell: 310-486-7920
Email: Email Me
Michelle Brand, Assistant To Mr. Ostrove,
Direct Line: 310-703-4330
Email | Beverly Hills Law Office Map