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Your CPA is a Historian

Does This Sound Familiar?

Your CPA is a ghost for 11 months, then shows up with a bill and a tax return based on decisions you made months ago. There’s no strategy, just compliance.
Worried you’ll get a surprise invoice for a 5-minute phone call? When you do talk, you’re left more confused by technical jargon and get no clear, actionable advice.
You’re tired of slow responses and generic advice. You have a feeling your CPA gives all their attention to their bigger clients, leaving you to fend for yourself.

Sticking with the Wrong CPA Costs More Than Just Their Fee

Without proactive tax strategy, you’re overpaying year after year. That’s money that could have been reinvested into growth, hiring, or your own pocket.
You’re flying blind. You don’t know your key financial numbers, you can’t make confident decisions, and you live with a constant, low-level anxiety about your finances.
You can’t scale your business on a shaky financial foundation. Key decisions about hiring, expansion, and investment are delayed or made with incomplete information.
frustrated-business-owner-4
Small Business
8080%

Fail due to poor cash flow management

*U.S. Bank study

Under
8080%

U.S. S&M Businesses have integrated accounting systems

*accsaglobal.org

Female-Entrepreneur-Using-a-Tablet-in-Her-Kitchen
modern approach

Human Expertise, Powered by Modern Tech

We give you both. You get a dedicated senior advisor – a real person who knows your business, empowered by a state-of-the-art AI-powered platform to give you faster answers and deeper insights.

New

Approach

what we do

We Don't Just Do Your Books. We Build Your Financial Command Center

happy-business-owner-2

Traditional accounting is disconnected. We integrate directly with your system to eliminate data silos and automate the flow of financial information.

Clients
808080+
Projects
80808080
Years of Experience
8080+
Reports
8080K+

Welcome to Continous Assurance

Stop Guessing, Start Knowing

Our AI-powered model monitors your financials in real-time, 24/7. No more month-end surprises, always-on fraud detection and investor-ready financials.

our services

Industries

XOA TAX blends deep industry knowledge with proactive strategy to solve your toughest tax and financial challenges. We turn complexity into opportunity.

What I like most is how proactive they are. They don’t just file taxes, they advise me on cash flow, inventory costs, and even how to structure my business for growth. As an ecommerce auto parts seller, margins can be tight, and their guidance has directly improved my bottom line.

Luis V.

Luis V.

CEO - Vicrez.com, LLC. | Automotive E-Commerce

I’ve been using this firm for my personal taxes for two years. The process was efficient, taking just over two weeks. The team is responsive and easy to work with, providing great value for a reasonable rate. I recommend visiting them with all your documents ready to discuss your tax situation.

Brian P.

Orange, CA

Johnny and Duy were incredibly helpful. They not only helped me with my tax return but also fixed some mistakes I’d made on my own previous returns.

I learned my lesson: leave tax returns to the professionals. These guys are true professionals and know what they’re doing, providing great service and peace of mind.

Eric S.

Business Owner

For three years, I’ve had a pleasant and professional tax filing experience. If you want quality, timeliness, and professionalism, you’ve come to the right place. I highly recommend them.

The team is very communicative and helpful. Sending documents is easy, and they answer all my questions quickly. The pricing is also fair, making the overall experience excellent.

Brian P.

Irvine, CA

Predictable Pricing, Provable ROI.

We've replaced the outdated, opaque billable hour with three simple, transparent subscription tiers. You get Unlimited Access to our team and technology for one flat monthly fee. No surprises. Ever.

In the Press

Customer service is not just a department, it's the entire company. The whole point of our business is to make life less difficult for our Clients.

XOA TAX - Kevin - Parnter

Our Team

Frances Dang

Partner - CPA

Kevin Zhang

Partner - CPA, MST

Hoang Tran

CPA, Tax Team Lead

Huy Nguyen

Partner – Business Administration & Risk

Jack Nguyen

Partner – Growth & Innovation

Thinh Nguyen

Tax Attorney, Of Counsel

our press

Learn how we helped 100 top brands gain success.