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About us

Transforming Your Business and Protecting Your Business from the IRS

When it comes to managing your business's tax & accounting, ISTAXPro is your trusted CPA & EA firm, every step of the way.

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ISTAXPro Acoouting Firma

ABOUT US

Your Trusted Partner for Tax and Accounting solutions for lasting success

Partner with us for expert accounting guidance, ensuring tax compliance. At ISTAXPro, we lead the market with comprehensive Accounting and Tax services designed for your company.

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Quality Services

At ISTAXPro, we are committed to delivering top-notch accounting and tax services tailored to the unique needs of your business.

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Professional Agents 

With ISTAXPro, you’ll have an experienced team of CPAs & EAs working alongside you to maximize fiscal accuracy.

WHY CHOOSE US

Accurate Tax & Bookkeeping Results, Simplifying Your Life

Choose ISTAXPro and gain peace of mind, knowing that our tax experts are focused on maximizing your deductions allowable by law with confidence and precision.

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Personalized Advisory Services

We tailor our services to each client’s unique needs, helping you optimize resources and make informed decisions for business growth.

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Simplified Tax Compliance 

We possess deep knowledge, over 2 decades, of tax regulations and stay updated year after year, ensuring your filings meet all legal requirements, maximizing tax savings for you. 

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Comprehensive Payroll Management

We handle all payroll administration, from calculations to federal and state tax filings, ensuring accurate and timely compensation for your employees.

OUR CLIENTS

Your Goals, Our Commitment!

ISTAXPro partners with clients not only to meet their financial goals but to exceed them with strategic business guidance.

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Your trusted partner in accounting solutions for lasting success

STATE OF AFFAIRS

The Results Speak for Themselves 

250+

Successful IRS audits completed 

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6,600+

Satisfied clients after 2 decades and counting!  

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+ 80%

of our clients save time by connecting with us through Zoom calls! 

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TESTIMONIALS

Client Stories: Real Results, Real Success.

Our clients share their experiences and the success they have achieved with ISTAXPro’s expert guidance. From small startups to established millionaire corporations, hear how we’ve made a difference in their company’s journey.

Sandra Carbajal

Individual Tax

Omg John and his Crew! Always Professional! My go to every year for taxes! He not only has the best advice but helps you in your best interests!!! Highly recommend!!!

OUR TEAM

Meet the Experts Behind Your Financial Success!

At ISTAXPro, our team of CPAs and EAs is composed of passionate tax experts committed to simplifying your tax & accounting experience. With over 2 decades of experience, we’re here to provide personalized solutions. 

(Founder & CEO)
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John Ismerio

(Founder & CEO)

Greetings, I am passionate about maximizing the potential of every business client, from Sole Pro’s to LLCs & Corporations, with over 21 years of accounting and tax experience our team is here to coach you with the ups & downs of your business.

Our firm’s goal is for our clients to be fiscally healthy and provide them with strategies necesssary to encourage their growth and harness the love for their business, while our team takes care your accounting and taxes needs.

In my spare time I enjoy spending time my his family, exercising 4 to 6 a week, 1 hour sessions of cardio and weights, eating healthy, and maintaining my weight using intermittent fasting.

(Accountant)
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Elena Mandrakas

(Accountant)

My name is Elena Mandrakas, I have 14 years of experience in accounting for the treasury and ecommerce finance departments for the Secretary of Agriculture and Samsung Electronics in Mexico.

In my free time I like to travel, visit new cities and try their delectable local dishes.

(General Manager)
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Rose Ismerio

(General Manager)

I have 15 years of experience in Accounting and Tax world and my greatest passion is providing tax services to women entrepreneurs and helping them create, maintain and  scale their companies in the USA.

I have collaborated with for-profit and non-profit organizations focused on the growth of entrepreneurs and obtaining excellent results and experiences for our business community.

In my free time I like to create memorable family moments, exercise, travel and hang out with my girlfriends.

(Bookkeeper)
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Dulce Santos

(Bookkeeper)

Bookkeeper with more than 20 years of experience in Accounting, Accounts Receivable, Inventory Control, Expense Control, Bank Reconciliations.

I have worked in Grupo Comercial Amori, a 100% Mexican company that distributes the Cruz Azul and Ternium brands, to name a few.

In my spare time I like to read and enjoy my family.

(Accountant)
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Carlos Hernandez

(Accountant)

My name is Carlos Hernández, I have more than 20 years of experience in Taxes, Finance and Accounting.

I have worked at Coca Cola Femsa, Samsung Electronics and Expo Nacional Ferretera in Mexico, among other companies.

I like to run to keep fit and some of my hobbies are teaching and continuing to grow and learn to continue developing as a professional.

(Bookkeeper)
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Steffi Natalie Ang

(Bookkeeper)

My name is Steffi Natalie Ang, and I have 11 years of experience in finance and accounting.

I have worked with several companies in Indonesia, including Sands Talk Group (part of OPPO, J&T Express, and others) and NR Services Technology, primarily in the fields of technology, e-commerce, and risk analysis.

In my free time, I enjoy playing PC games and exploring new places.

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