Tax & financial services
Individual and business returns, proactive planning and a clearer understanding of your tax position.
Explore this serviceYOUR TRUSTED TAX & BUSINESS PARTNER
Tax expertise, organized finances and practical business guidance—brought together by an Enrolled Agent, economist and data scientist in Santa Ana, California.
Dr. Aytekin KOCAK Enrolled Agent · Economist · Data Scientist
360 / Services
Your tax return, books, business structure and digital presence are connected. Our six service areas help you organize those connections and take your next step with confidence.
Individual and business returns, proactive planning and a clearer understanding of your tax position.
Explore this serviceOrganized records and useful financial reporting, with support for the payroll responsibilities that come with a team.
Explore this serviceA careful review of your tax notice and practical help with the response and resolution process.
Explore this serviceStart with an informed structure, organized registrations and a practical plan for ongoing responsibilities.
Explore this serviceApplication and filing support connected to your transportation business and the way you intend to operate.
Explore this serviceA useful website, a consistent brand and business information that makes it easier for customers to find and contact you.
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About us
Dr. Aytekin Kocak brings together tax practice, economics and business analytics. That combination supports a practical approach: understand the numbers, explain the options and connect decisions to your wider goals.
Industries
Support for wage income, multiple income sources and life changes. We help organize your return information and explain the questions that affect your filing.
Explore this serviceSchedule C preparation, expense organization and planning conversations for independent contractors, consultants and gig workers.
Explore this serviceBooks, payroll and business tax support for project-based work, with attention to job activity, payments and organized records.
Explore this serviceTax and operational filing support for trucking and passenger transportation businesses, tailored to the actual service and operating area.
Explore this serviceEntity discussions, formation coordination, accounting processes and practical guidance as ownership, staffing or operations develop.
Explore this serviceHelp connecting sales records, platform reports, inventory questions and business books to the tax and reporting work required.
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We begin with your goals, deadlines and questions. You receive a clear explanation of the information needed to assess your situation.
We discuss the services, fees and next steps before work begins, so you know what your engagement covers.
We organize the work, communicate what needs your attention and help you understand the result and ongoing responsibilities.
GOOGLE / 360 TAX
Selected excerpts from publicly listed Google reviews. Explore the full reviews and current rating on Google.
“He help me a lot about tax…”“Very knowledgeable, organized, and easy to work with.…”“Everything was explained clearly…”Review excerpts accessed via Local USA on September 30, 2026. This is a static selection, not a live Google feed. Local USA
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Tax & financial services
Good planning begins with understanding what has changed—not with waiting for the filing deadline.
Read the guideAccounting & payroll
Useful books come from a repeatable process, with time to resolve questions before they pile up.
Read the guideIRS representation
An organized response starts with the complete notice, the return and the records behind the figures.
Read the guideYOUR TRUSTED TAX & BUSINESS PARTNER
A tax notice, a new business or a year of books to organize? Tell us where you are today. We’ll discuss a practical path forward.