Castellon Professional Services

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1279 Poplar Ave Apt 119
Sunnyvale, CA 94086
+1 (415) 655-6626
http://mcastellon.com

Castellon Professional Services, based in Sunnyvale, CA, offers certified public accountant services including onboarding and tax preparation. Led by Mario, the team is known for their commitment to personal excellence, providing expert advice and services with a focus on attention to detail and trustworthy recommendations.

Clients have praised Mario and his team for their insightful financial guidance and partnership. Whether it's financial planning, taxes, or strategy, they are described as valuable allies for businesses looking to scale and succeed. Mario's approachable and professional demeanor, combined with his impressive credentials, make him a sought-after resource for complex tax situations.

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Reviews

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3.02 reviews
Tyler T.
11/3/2021

Mario was ace. I needed a question answered about a somewhat quirky tax situation (new resident/income coming from outside the US) and additionally was having trouble navigating how to make my...

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Margie C.
10/28/2024

I had posted a review last year and a friend asked me to remove it since she referred this accountant to me. I did remove it but have felt it should have remained. I wouldn't recommend this...

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