Country / Language

William G. Andreozzi

CPA, JD, Partner

Download vCard

Professional Affiliations:

  • American Institute of Certified Public Accountants
  • California Society of CPAs
  • Illinois CPA Society

William Andreozzi is a partner with CohnReznick and is based in the Woodland Hills, CA office. With more than 26 years of diverse federal, state, and international tax experience, Bill addresses the multidisciplinary tax needs of global and multistate middle-market companies across a variety of industries including manufacturing and wholesale distribution, technology, and private equity.

Bill serves as Tax Division Leader for CohnReznick’s Woodland Hills and Los Angeles offices. In this role, he oversees the offices’ joint tax department including such matters as workflow and scheduling, assessment and professional development,  and ensuring efficient and economic processes. Bill also serves on the Firm’s Tax Executive Committee and Tax Operations Committee where he helps to establish overall tax policy, operating procedures, and quality standards for the Firm.

Bill helps his clients address their business and tax objectives by providing value-added, specialty tax solutions. These include advising on appropriate tax structures, providing tax minimization strategies, performing buy and sell side tax due diligence, advising on appropriate liquidity strategies, and assessing tax risk areas and implementation of appropriate remediation solutions. He also manages complex, high-volume tax compliance engagements, facilitates cross-border coordination with foreign affiliates, and provides representation during federal and state examinations and appeals.

Prior to joining CohnReznick, Bill was a tax partner and managing tax partner at top tier accounting firms. Earlier in his career, he served as a tax associate for a Big Four firm.


  • B.S., Finance - Northern Illinois University
  • Master of Science, Taxation - DePaul University
  • J.D. - The John Marshall Law School

Search Our People

Search Our People

Look ahead. Gain insight. Imagine more. Is your business ready to break through?

View our new TV commercial..

Industry Outlooks

Industry Outlooks

Gain insight into what is ahead for the Commercial Real Estate, Technology and Middle Market Private Equity industries.


Learn about our upcoming events.


Working With Us

Working With Us

What makes CohnReznick different from others in our profession? And what should our clients come to expect when working with us? The answer is The CohnReznick Advantage. Contact us to learn how we can out the CohnReznick Advantage to work for your business.


The value of an organization is determined by the skills and qualities of its leaders. With more than 280 partners serving clients nationwide, CohnReznick is renowned for the diverse experiences, knowledge and backgrounds of its leadership.

Learn More


We align our services in three segments: Accounting and Assurance, Tax, and Advisory. This approach allows us to provide holistic solutions to complex business problems and to seize upon opportunities requiring an integrated approach.

Learn More


Accounting and tax issues different significantly based on an organization's industry. We provide clients with expertise in nearly two dozen industries – we know the opportunities, the obstacles, the competitive landscape.

Learn more


CohnReznick professionals are thought leaders in their industries. Clients benefit from relevant and timely economic, legislative and industry insights that can keep them a step ahead of competition.

Learn More

Global Reach

Our involvement in the Nexia International network of firms enables us assist our clients wherever they do business-providing local expertise and connections wherever they needed. Nexia is comprised of 20,000 professionals operating in over 100 countries.

Learn More