Forensic Accounting and Valuation in Nassau County, Suffolk County NY, New York City & throughout the US.

BizValue, Ltd. was founded on the reality that business valuation and forensic accounting must be integrated in order to achieve the most accurate results for our clients. The profession has changed dramatically over the last decade and the benchmark for accuracy and credibility in litigation has risen to an all-time high.  Our solution to this rising benchmark is our philosophy that accurate and credible financial analysis, in both valuation and forensic accounting, is achieved through a combination of many different elements of expertise.

An analysis prepared by BizValue meets the highest professional standards in the industry today. In fact, it is our strong belief that we not only meet these standards, but that we exceed them with our advanced approach and commitment to client service.  By combining advanced business valuation methodology, forensic accounting, industry experts, and other professionals working together, we provide our clients with an arsenal of resources resulting in a level of accuracy, credibility and client service that we believe to be unparalleled by other firms.


Forensic accounting is the specialty practice area of accountancy that describes engagements that result from actual or anticipated disputes or litigation.  “Forensic” means “suitable for use in a court of law”, and it is to that standard and potential outcome that we provide our services.  We bring in-depth knowledge and resources to our engagements and provide the highest professional standards and maximum value to our clients.  Our firm is committed to the proposition that every client is unique; with that in mind, we provide creative and individualized support.

About Shareholder Litigation in New York County NY & Surrounding Areas

BizValue, Ltd. is a middle-market accounting & business consultancy firm with offices in New York City, Long Island, and Raleigh, North Carolina, and serving clients throughout the USA. We are an affiliate of the National Business Valuation Group which, with over 20 offices throughout the United States, ranks among the largest business valuation associations in the country.

Litigation Support

Whether you seek business or personal services we offer an independent, unbiased, variety of solutions. With our professionals’ legal background, we work full-time with law firms, corporate attorneys, insurance companies, private practitioners, arbitrators and judges as well as corporate officials and those charged with governance. Our services cover the entire litigation process, from pre-filing, interim motion practice, to settlement or trial. Our goal is to help you clarify complex financial matters in an organized and efficient manner.

Business Divorce after Litigation Support

Often, we see business partners become enemies overnight—which often leaves the business in a desperate battle to survive. Not unlike a matrimonial dissolution—shareholders can have disparate bargaining positions or may not have the resources to effectuate a buyout on their own. We help level the playing field under the states’ fair value statutes or business corporation law.


Paul Marquez, JD CPA, brings over 25 years of experience in accounting, law, and finance with him to his practice in business valuation and commercial litigation. In this position, Mr. Marquez directs complex business litigation, forensic valuation, and corporate dispute resolution. Prior to starting his own firm, Mr. Marquez served as Partner, Principal, and/or Director of several middle market accounting firms—leading their respective valuation and/or litigation consulting groups.
In addition to impacting the industry through the positions he’s held, Mr. Marquez has also significantly influenced it through his involvement with education. Not only has he conducted numerous hands-on training courses and seminars over the course of his career, he also serves as an Adjunct Professor in the School of Management at the New York Institute of Technology.

As an expert witness, he has testified in the Federal and State courts as well as in arbitration and mediation. An experienced presenter, he has been featured at a panelist and speaker of national, regional, and local conferences and seminars. He is both a Certified Business Appraiser with the Institute of Business Appraisers and a Senior designated member of the American Society of Appraisers. Accredited in Business Valuation by the AICPA, he also holds the Certified in Financial Forensics designation.

Mr. Marquez remains committed to the field of accounting through his participation in a variety of professional organizations. He is a member of the American Institute of Certified Public Accountants and the New York State Society of CPAs (NYSSCPA). He has served as Technical Issues Chair of the Business Valuation Committee of the NYSSCPA. He is also a member of both the New York State Bar Association’s Commercial Division and a former Director of the Long Island Chapter of the Institute of Management Accountants.

An exponent of the martial arts, avid tennis player, an amateur musician and part-time chef, Mr. Marquez resides on Long Island, New York and in Raleigh, North Carolina.