ISTAX Pro
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ISTAX Pro
ISTAXPro, offers tax services for individuals and small businesses in the Los Angeles California area. We are a reliable taxation advisory team that will assist you in business accounting services to ensure the money going in and out of your business is properly accounted for and that your employees are getting the appropriate compensation.

We offer an excellent bookkeeping service to keep your books accurate and organized for every tax season. Our team will help with bank reconciliation, income statements, balance sheets, tax services and much more. Accounting is time consuming, but by hiring our firm, you can spend more time running your business and less time worrying about the financials.
Services
We are a professional accounting firm that heightens Latino Businesses in the San Fernando Valley. We are here to give knowledge, professionalism, and community to those who serve the Latino Community with their Businesses. We want to help you grow your business and increase your profits by attracting more Latino clients.
With her 12 years of experience, Rose devoted to help and engage with all business owners regardless the size. With his strong customer service skill, Robert is providing quality tax preparation experience. He contributes on updated tax research in order to give best tax planning for the clients. 10+ years experience in Credit Analyst field, Flor expands her horizon in tax and bookkeeping services.
As partners of global leaders in the data center industry, we understand how to offer you the best solutions available around. Data center partners include leading brands like Limestone Networks, Steadfast Networks, PhoenixNAP, ServerCentral, INTERNAP, and more. All our data centers are based in different geographical areas to ensure strong infrastructure even in the event of natural disaster or power outages.
Reviews (9)
Paty Moro
Paty Moro
Jan 04, 2022
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Positive: Professionalism, Value
John, participates by giving orientation and accounting classes for NEW, Business Center, free of charge, from where I have benefited, from his professionalism and his clarity to teach how to carry a better accounting in our small business. Thanks John for your support.
Jimmy Paredes
Jimmy Paredes
Oct 04, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
Very professional, very knowledgeable I'm going to use them in the future. If you are a day trader, these are the profesionals you need to see.
Irma Munoz
Irma Munoz
Jul 28, 2021
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John at Istax is professional, reliable and knowledgeable. He returns our calls or emails promptly every single time. His work ethic is admirable.
We wouldn’t trust our business needs with anyone else.
Robert Perez
Robert Perez
May 25, 2021
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As a junior tax assistant at ISTAX Pro, John Ismerio has been a wonderful mentor and knowledgeable tax accountant throughout my tax internship. Having close to two decades of tax experience, John has guided and supported me greatly during this tax season. John ensures that all his interns and staff are up to date with the most recent tax codes and laws. The training sessions allowed us to openly discuss and ask any questions we had to better serve his clients. John wants you to succeed and if you are motivated and committed to be successful working in taxes, John will help achieve your goals. The
Grace Olguin
Grace Olguin
May 05, 2021
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John Ismerio and his team have been invaluable to elevating me as a small business owner. I first met John at a webinar he presented titled “Cash Flow for Small Businesses.” This is what makes ISTAXpro unique— they not only take good care of you in providing excellent and professional tax and accounting services, they also care about educating people and community building through their educational offerings with local non-profits. As someone who has transitioned from having a hobby to running a small business and creating an additional source of income through my craft & services, I can
Joshua Rincon
Joshua Rincon
Mar 03, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
John provides valuable information and professional service
Milton Orellana
Milton Orellana
Aug 15, 2020
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John and the ISTAX team are fantastic. I’ve been going to John for all my tax needs/advice for 17years and without a doubt always a great experience. John recently helped me fill out my w4 form through zoom. Which was quick and easy, best of all I was able to do it from home. If you haven’t had the pleasure of joining one of his quick books/ living trust seminars you are missing out on valuable information. Thanks again ISTAX for all the informative years of tax services and looking forward to setting up our family’s living trust.
Nocturnal Drifters
Nocturnal Drifters
Jul 19, 2020
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Positive: Professionalism, Quality, Responsiveness, Value
John Ismerio tax and his staff are just an absolute pleasure to do business with. Quick, responsive, always pleasant, and he knows what he is talking about. You cannot go wrong if you utilize his services. Thank you John
Walter Hernandez
Walter Hernandez
Jun 30, 2019
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IsTaxPro is the place to do your taxes with the best knowledge on the latest IRS updates,rules and regulations, I have been a client of John for 14 years and I can say that John has taken care of me since I met him. I always happy to send people his way i have recommended him to friends and family members and will continue to do so. Keep up the good work John👍