Who We Are
The New Windsor National Tax and Financial Services office is a premiere team of financial professionals and CPA’s dedicated to helping you find the most tax efficient solutions for all your financial needs.
We provide a fully integrated services platform that we tailor to help you achieve your financial goals coupled with income tax planning, estate tax planning, eldercare planning and asset protection.. Together we seek to implement well-thought-out financial strategies for retirement that could minimize tax liabilities, increase your personal wealth and improve your family’s financial security.
As a division of National Holdings Corporation, we pride ourselves on the comprehensive solutions we offer, backed by the service, technology and support of an established Wall Street firm.
Explore our site to learn how our experts in the New Windsor office can help create, manage, and protect your wealth.
Your Financial Life--Handled
Drawing on our vast industry experience and leading financial tools, we will work with you to create a total tax management plan that includes both tax planning and financial advice. We help you prepare a tax and wealth management playbook that has the potential to grow with you and put you in a position to respond to changes in the market as well as changes in your life.Â
Let’s work together to customize a plan that meets your financial needs today and evolves with you over time.
Our Areas of Focus Include:
- Tax Planning & Preparation
- Investment Management
- Retirement Planning
- Income Protection Strategies
- Wealth Creation
- Banking & Lending
- College Funding
- Estate Planning & Legacy Creation
- Financial Planning
- Life Insurance
Find us in New Windsor
Call Today: (845) 561-5540
Trusted Partners
Premiere Solutions
Exclusive Investments
Office Hours are by appointment: 8:30- 5:00 Monday thru Friday
Extended hours Tax Season:
8:30-6:00 Monday thru Friday
8:30-4:30 Saturday

Meet the Team
We have a whole team of CPAs, Enrolled Agents, Financial Advisors and Staff Accountants here to help you. Our Managing Director is Ken Copans, CPA
CPAs
Anne DeRienzo, CPA
Skye Gregory, CPA
Adelino Guerra, CPA
Jeffrey Harmer, CPA
Jerome Rossi, CPA
Madeline Sorrentino, CPA
Financial Advisors
Michael Porpora
Ralph Porpora
Enrolled Agents
Anthony DeRienzo, EA
Marlene Kelly, EA
Michael Porpora, EA
Maria Spilotis-Davis, EA
Staff Accountants
Josiele Adrian-Sikorski
Jodi Lee Casillo
John Cella
Stephanie Gomes
Stacie Loyola
Sharon Sebesta
Deborah Tarabocchia
Lindsay Werba
Daily Market Insights
National’s Chief Market Strategist is the well-known capital markets expert Arthur (Art) Hogan. Between his frequent appearances on CNBC, FOX Business and Bloomberg TV, you can stay up to-date on his latest market insights.
More About National
Securities and Variable Insurance Products offered through National Securities Corporation, Member FINRA/SIPC.  Advisory services provided through National Asset Management, Inc. (NAM), a SEC Registered Investment Advisor; a copy of NAM’s Brochure is available at NAM’s web page. Insurance products offered through National Insurance Corporation (NIC). Accounts are carried by National Financial Services LLC, Member NYSE/SIPC, a Fidelity Investments® Company.