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    One Service

    1.8 (5 reviews)
    Open 10:00 am - 6:00 pm
    Updated 3 weeks ago

    Services - One Service

    Notarial acknowledgement

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    Current year tax preparation and filing

    Jurat

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    Greg T Guarnero

    Greg T Guarnero

    (17 reviews)

    Northeast

    Amazing response time, super helpful and friendly. The reviews he already has say it, but I want to…read morereiterate his willingness to drop everything and help you thoroughly. I had my first in person meeting with him today, he was prepared professional and it was very productive. I was so impressed with his rates compared to his work, I look forward to doing business with Greg for years. I feel great about the direction we are headed from his advice.

    Not Trustworthy. My experience with this accountant was extremely frustrating and unprofessional…read more Over the course of 2 months, I was repeatedly told that my tax returns were 80% done or would be finished "by the end of the week," only to discover later that no progress had been made. I followed up respectfully every 2-3 weeks to check in, but was accused in an aggressive email written in all caps "DON'T TELL ME WHAT TO DO!!!!" and of bothering him every 2-3 days. The tone of that communication was unprofessional and unnecessarily hostile, especially given the delays and lack of transparency throughout the process. His excuse was always that he has over 400 clients to "deal" with. Reliability, honesty, and professionalism are the minimum you should expect from a tax professional, and unfortunately, those were sorely lacking in my experience. On April 15 I gave him an out by specifically asking if an extension would be filed, and was told it would be. As of May 10, I have no confirmation or documentation that this was ever done. The lack of transparency, dishonesty about the timeline, and hostile communication made this an extremely stressful and disappointing experience. I would not recommend this accountant to anyone seeking reliable, respectful, and professional service.

    One Service - taxservices - Updated May 2026

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