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Mark Koller

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Mark Koller, CPA is a local tax preparer at Mark E. Koller, CPA located in East Aurora NY. Mark Koller, CPA and other tax preparers located in East Aurora NY will help you with tax preparation, tax planning, bookkeeping, estate and trust ta...... Show More
Finance
Accounting
Contact Info
(716) 805-1040
East Aurora, NY
Location & Business Hours
Friday
9 AM to 4:30 PM
Saturday
closed
Sunday
closed
View all days
Overall Ratings
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Reviews from Web
  • 5.0
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    Patti O
    Posted on April 8th, 2026 12:00 AM
    Mark is friendly, professional and knowledgeable. He answers all of our questions.
  • 5.0
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    Dave L
    Posted on April 3rd, 2026 12:00 AM
    Had taxes and business taxes done. Great job, has bookkeeping services too. Best around.!!
  • 5.0
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    Marlo L
    Posted on April 3rd, 2026 12:00 AM
    Great tax service! Fast effective!!
  • 5.0
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    Collin F
    Posted on March 31st, 2026 12:00 AM
    Great service!
  • 5.0
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    T G
    Posted on March 31st, 2026 12:00 AM
    Mark has been my accountant for over 10 years and has been fantastic. He explains everything to me and answers all my questions. He is kind and patient and his office staff are helpful.
    I highly recommend him.
  • 5.0
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    Daniel C
    Posted on March 30th, 2026 12:00 AM
    Mark continues to do a wonderful job with our taxes. We have been working with him for over 25 years now and he is great.
  • 5.0
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    Kate D
    Posted on March 30th, 2026 12:00 AM
    We have been going to Mark Koller for 30 years and he always does a great job!! Thanks Mark we appreciate you
  • 5.0
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    Ron H
    Posted on March 27th, 2026 12:00 AM
    Mark is a fantastic guy, very knowledgeable. Never have any issues with out accounting needs.
  • 5.0
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    Joseph E
    Posted on March 26th, 2026 12:00 AM
    I’ve worked with Mark for over 20 years, and we also share many mutual clients. In a time when genuine care and true professionalism can be hard to find, Mark consistently stands out. He brings a rare combination of deep expertise, personal...
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  • 5.0
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    Nick B
    Posted on March 25th, 2026 12:00 AM
    Extremely competent CPA with in-depth tax planning on both the individual and business side. Would recommend to friends and family (to which I do an they’d say the same thing)
    • 10 of 20
    About
    Mark Koller, CPA is a local tax preparer at Mark E. Koller, CPA located in East Aurora NY. Mark Koller, CPA and other tax preparers located in East Aurora NY will help you with tax preparation, tax planning, bookkeeping, estate and trust taxes, and so much more.
    43
    /850
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    FAQs
    Here are some Frequently Asked Questions about Mark Koller
    What organization is Mark Koller associated with?
    Mark Koller is associated with Mark E. Koller, CPA.
    Where is Mark Koller based out of?
    Mark Koller’s primary location is East Aurora, NY.
    What is Mark Koller's phone number?
    Mark Koller's phone number is (716) 805-1040