Business Tax Services

Preparation, Planning & Audit Support

At Aragon, Santillan & Associates, we provide comprehensive business tax services designed to support owners at every stage of their financial journey. For nearly 40 years, our family-owned, multigenerational firm has helped entrepreneurs, freelancers, and small companies navigate the complexities of tax compliance with accuracy, confidence, and a personal touch. Whether you run a startup or a long-established operation, our team ensures that your tax strategy supports both your immediate needs and long-term growth.

Year-Round Tax Preparation Built for Small Businesses

Every business deserves accurate, timely, and strategic tax preparation. As Enrolled Agents and NTPI Fellows, our leadership brings advanced expertise to every return we prepare. We focus on minimizing liability, identifying missed deductions, and ensuring your business stays fully compliant with federal and state regulations. From Schedule C filers to S-corps and partnerships, our approach is tailored to your structure, industry, and financial goals.

Our tax preparation process is designed to be clear and organized so that you always understand your numbers—not just once a year, but throughout your business cycle. Many clients rely on us for multiple years because they value our ability to simplify complex tax situations and provide explanations that empower better decision-making.

Proactive Tax Planning to Strengthen Your Bottom Line

A successful tax strategy requires more than filing—it requires foresight. We offer year-round planning to help you anticipate liabilities, prepare for quarterly payments, and make informed operational decisions. Whether you’re considering a new business structure, major purchases, or hiring changes, we help you understand the tax impact before you commit.

IRS Notices & Audit Support When You Need It Most

If an IRS letter or audit arises, you have skilled representation on your side. With our EA credentials, we communicate with the IRS on your behalf, respond to notices, and guide you through the process with clarity and reassurance. We’re here to protect your business and reduce stress during challenging moments.

A Trusted Partner for Your Business
At Aragon, Santillan & Associates, you get more than a tax preparer—you get a partner invested in your success. Contact us today to build a tax strategy that supports your business now and for years to come.