10,000+ satisfied clients

Trusted by corporations and individuals throughout Southern California statewide

Trusted IRS expertise

Extensive knowledge in auditing and resolving tax disputes

Experienced auditor

Formerly an Internal Revenue Service Agent and Board of Equalization Sales Tax Auditor

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Provide insights for your business so that you can make choices with confidence and focus.

Discover how our tax solutions can help resolve your tax problems, fast and effectively.


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No matter the complexity of your tax problem…

AYCPA has you covered when you need to:

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Protect your legal and appeal rights. We deal with the IRS so you don’t have to.

If your income tax return was selected by the IRS for an examination, we’ve got your back. You can count on us to provide excellent support and service.

Our extensive knowledge combined with years of experience gives you a clear advantage in resolving your tax dispute. We are tax professionals and our mission is to help prevent collection action from the IRS and California tax authorities.

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And with over 20 years of tax preparation experience, rest assured that your getting the largest refund or lowest tax that you qualify for.

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Client Testimonials

Here’s what our clients are saying about their experience.

Andy Yu is the best CPA in Southern California by far. His past experience really shines when presenting our options and creating a strategy in resolving the tax dispute. His insight on the audit process delivered a prompt resolution.

I would highly recommend Andy Yu to anyone who is dealing with an IRS tax audit. He was very professional and was able to reduce my tax for a fraction. You have earned a client for life.

Andy Yu is passionate about helping his clients. He identified all the mistakes and swiftly resolved my tax disputes. Thank you Andy!