About Us

Tholborn & Ostrowski?

Your Trusted Partner in Financial Success

At Tholborn & Ostrowski, we believe that understanding your business is the key to providing exceptional financial services. Established through the merger of Crane & Ostrowski Accountancy Corp. (founded in 1972) and Tholborn Accounting (founded in 1988), we have built a legacy of integrity, expertise, and personalized service in the Stockton, CA area.

Proven Expertise

Tailored Service

Integrity & Results

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Successful Projects

Our Mission

At Tholborn & Ostrowski, we’re your partners in success. With a focus on results, mutual respect, and integrity, we work alongside you to provide clear strategies and practical advice. We aim to build lasting relationships that bring real benefits and help you confidently achieve your financial goals.

Our Vision

Our vision is to be the leading tax and consulting firm in Stockton, CA, recognized for our integrity, expertise, and commitment to excellence. We strive to build long-term relationships with our clients, fostering trust and collaboration as we navigate the complexities of the financial landscape together.

Decades of Experience

With over 85 years of combined experience, our team navigates financial complexities with confidence, ensuring you make informed decisions.

Tailored Solutions

We understand your unique business needs, crafting customized strategies that align with your goals for impactful results.

Why Choose Us

Best Solutions For Your Tax Plan

With decades of expertise and a commitment to personalized service, we provide tailored financial strategies that drive growth and stability for your business.

Client Satisfaction
99%

Our clients consistently rate their satisfaction with our services, reflecting our commitment to excellence and personalized attention.

Client Retention Rate
96%

We pride ourselves on building lasting relationships, with a high percentage of clients choosing to return for our services year after year.

Compliance
100%

Our team ensures that all tax and financial strategies adhere to the latest regulations, providing peace of mind and minimizing risk for your business.

Our Team

Meet Our Team

Our team consists of highly skilled professionals with over 85 years of combined experience in tax, accounting, and consulting services. We pride ourselves on our commitment to excellence and our passion for helping clients achieve their financial goals. With diverse backgrounds and expertise, we tackle challenges from multiple perspectives, ensuring you receive the best possible advice and strategies.

Michele Ostrowski

Michele Ostrowski

Partner

Alex Montejano

Alex Montejano

Partner