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About us

Landmark Tax Service is a tax preparation and financial planning firm serving clients throughout the United States. We are dedicated to providing our clients with professional, personalized services and guidance in a wide range of financial and tax needs. We provide a blend of personal service and expertise that specializes in all forms of taxes for individuals. We provide tax advice and preparation for all forms of taxes –  but we have a special niche for ministers, called church workers, firefighter’s, teachers, police and military.

On our website you will find information about Landmark Tax Service including what services we provide. We also provide online resources and tools to assist in the tax preparation process and to assist with financial decision-making. These tools include downloadable tax forms and publications, financial calculators, news and links to other useful sites.

If you are an individual serving in a church or other non-profit entity than Landmark Tax Services years of valuable experience assisting church and non-profit professionals with their tax preparation and financial planning needs is the right choice for you.

Our dedication and focus has earned the respect of churches, members of the clergy and church workers around the globe. We believe this to be directly related to Landmark Tax Service’s talent and responsiveness to our client’s interests. Whether you are a current or prospective client, rest assured that individuals and churches who choose Landmark Tax Service receive competent and timely advice.

Our Mission

Our mission is to help clients remain financially viable while taking a proactive approach to achieving their goals. This requires open communication to understand our clients' needs. Through detailed research and sound analysis Landmark Tax Service is dedicated to meeting our client’s goals with high standards of excellence and professionalism


Landmark Tax Service
99 Tulip Avenue Suite 201
Floral Park, NY 11001


Phone Number

Office Hours

Monday - Friday


9:00 AM - 5:00PM

9:00 AM - 1:00 PM


Robert Giaccone, CFP
Michael Jakob, BBA Finance

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