Business Tax Preparation That Keeps Your Company Compliant and Confident

Wondering If Your Business Taxes Are Filed Right This Year?

Business taxes get complex fast—especially when managing growth, multiple states, or evolving ownership. Many business owners worry about missed deadlines, costly errors, or compliance gaps. Andy Wang CPA & Associates brings CPA expertise and Silicon Valley insight to every business return, so you stay ahead of regulations and avoid last-minute surprises. Companies in Milpitas, Fremont, and across the Bay Area rely on us for precise, stress-free business tax preparation.

Calculator icon. White background. Black calculator buttons. Display is empty.

Problems We Solve Every Day

S-Corp, C-Corp, LLC & Partnership Returns

We prepare all major entity tax filings—Forms 1120, 1120S, 1065, and more—ensuring your structure’s unique requirements are covered. We guide on owner compensation, distributions, reasonable salary for S-Corp owners, and multi-member allocations.


Multi-State and Nexus Compliance

Operate across state lines or open new locations? We handle multi-state and California-specific filings, estimated tax payments, and keep track of changing rules—so you never miss a state deadline or overpay.


Nonprofit and Specialized Entity Filings

Nonprofit or tax-exempt? We prepare Form 990 and manage complex reporting so you maintain your tax-exempt status and donor trust.


Audit Risk and Documentation

We review books for common audit flags, help you document deductions, and stand by your side if your return is questioned. Good preparation reduces audit risk—great documentation makes audits less stressful if they happen.


Startup and Tech Business Needs

Startups and SaaS firms face unique tax opportunities—like R&D credits, stock option reporting, or entity selection. We advise on how to align tax strategy with your business’s growth and funding stage.


Year-Round Questions and Planning

Tax isn’t a one-time event. We offer guidance on estimated payments, changes in ownership, or new revenue streams—so your tax strategy evolves with your business.

A man in a blue shirt and tie is using a laptop computer.
A black and white image of four circles on a white background.

Even “Simple” Returns Can Have Hidden Traps

A single new deduction, business purchase, or bookkeeping slip can create costly mistakes. We check for missed opportunities, confirm supporting documents, and tie your books to your tax return for a smooth, stress-free filing.

A black and white image of four circles on a white background.

Business Changes or Growth Spurts

Expanded staff? Opened a new state location? Changed legal structure? We help update your filings, forms, and compliance to avoid future tax trouble.

A black and white image of four circles on a white background.

High-Growth or Venture-Backed Firms

Complex equity, rapid hiring, or investor requirements? We ensure your filings meet expectations for accuracy, timeliness, and investor transparency.

Checkmark inside a circle.

Your Business Tax Questions, Answered

  • Which business tax forms do you prepare?

    We prepare all common federal and California returns: 1120, 1120S, 1065, 990, plus franchise, sales, and payroll tax returns as needed.

  • Can you handle bookkeeping integration and “books-to-tax” reconciliation?

    Yes. We work directly from your books, clean up past issues if needed, and ensure tax returns and financial statements match—avoiding errors and rework.

  • Do you help with estimated tax payments and quarterly filings?

    Absolutely. We calculate and help schedule estimated payments to avoid underpayment penalties, and handle quarterly filings for payroll or sales taxes as needed.

  • What if my business operates in more than one state?

    We regularly handle multi-state returns and keep you compliant with state-specific rules for income, franchise, or sales taxes.

  • Can you represent my business if there’s an IRS or state audit?

    Yes. As your CPA, we handle audit correspondence and guide you through any reviews.

  • What’s the best way to get started?

    Contact us for a custom checklist and review—whether you’re a first-time filer, new business, or established company looking for a new CPA.

start here

Move Forward with Confidence on Your Business Taxes

Business tax shouldn’t hold you back or keep you guessing. Andy Wang CPA & Associates brings accuracy, strategic insight, and peace of mind to every return—so you can focus on building your business, not just surviving tax season.