Firm Leadership

Firm Leadership / John Lantzy

Jack Lantzy

John Lantzy


Tax & Accounting Services

Hagerstown, MD


Jack has over 40 years of experience in public accounting. Along with his responsibilities in the Accounting Services and Tax Department, Jack’s additional specialty areas include bankruptcy and business valuations.

Quick Facts

  • Professional Memberships

    • American Institute of CPAs
    • National Association of Certified Valuators and Analysts (NACVA)
  • Community Involvement

    • Shepherdstown Day Care – Treasurer
    • Rotary Foundation of Shepherdstown - Treasurer
    • Rotary District 7360 - Treasurer
    • Big Brothers Big Sisters of the Eastern Panhandle – Past President
    • United Way of the Eastern Panhandle – Past Treasurer, Van Rysin Award


  • Certified Public Accountant – Maryland, West Virginia
  • Certified Valuation Analyst (CVA)


  • B.S. Business Administration – University of Notre Dame

Work Highlights

  • Year joined SEK: 2001

Q&A with Jack

  • Where are you from?

    Spangler, Pennsylvania, which no longer exists

  • What would others be surprised to learn about you?

    I went to school at the same time as Rudy.

  • What is your favorite quote?

    "It is what it is."

  • What is an interesting fact about you?

    I got married on my birthday.

My Service Specialties

  • Tax & Compliance
  • State & Local Taxes
  • Business Valuations

Client Testimonials

  • Helping me over the years/decades in professional, thoughtful, caring, brilliant ways to handle a variety of major individual tax-issues for which I have completely trusted his professional advice and accounting. Much appreciation.

    A Hagerstown Tax Client

  • If necessary, he is willing to come to my home for consultations. He returns my calls or emails promptly. He is quite knowledgeable and patiently provides clear and easily understandable answers to my many questions. I think my taxes are complicated, and if an issue over said taxes should arise, I have confidence that he will explain, handle, or guide me through whatever steps are required to solve any problems.

    A Hagerstown Tax Client

  • We have been working with Jack Lantzy for years and think he is terrific! We couldn't ask for any better assistance and service. You are lucky to have him.

    A Hagerstown Tax Client

  • Very satisfied with Jack Lantzy’s services.

    A Hagerstown Tax Client

  • I have had very satisfactory results with Jack Lantzy for the past 7 years.

    A Hagerstown Tax Client

  • Jack Lantzy does an excellent job. He works hard to get taxes done on time.

    A Hagerstown Tax Client

  • Jack Lantzy has provided me with excellent service for a number of years.

    A Hagerstown Tax Client

  • Mr. Lantzy is quite knowledgeable, very professional, and very patient with me. He provides clear answers to my many questions related to my personal finances, my LLC, and a separate Trust. In addition, SEK has a good team of other experts behind their people.

    A Hagerstown Tax Client

  • We have been with SEK for over 20 years and we don't plan on changing anything. Jack has been a good friend and a very trusted CPA. Whenever we have any question he always gets back to us in a timely manner. He's great. Thanks for all you do.

    A Hagerstown Tax Client


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