Grinding Rock CPAs & Advisors
Where Insight Meets Innovation
Audit and Advisory Solutions
Grounded in Financial Stability
Grinding Rock provides assurance services built on values of integrity, respect, and a deep commitment to supporting economic self-determination. We understand the importance of transparency and accountability in managing assets and investments, offering audit and assurance services that uphold the highest standards of accuracy and independence.
With an approach focused on efficiently delivering results for our clients, we work collaboratively to strengthen financial governance and build trust among stakeholders. By aligning technical expertise with the unique needs and goals of a community, we deliver services that reinforce financial stability and cultural resilience.
UNIQUE PERSPECTIVE
Rooted in Community, Driven by Expertise
Grinding Rock CPAs is co-owned and operated by Shingle Springs Band of Miwok Indians and minority financial leaders with over 25 years of experience.
Tribal ownership brings a firsthand understanding of the financial and regulatory landscape affecting tribal enterprises, while minority-owned leadership ensures diverse perspectives and innovative solutions.
Our clients benefit from a firm that not only delivers expert assurance and advisory services but also prioritizes economic empowerment, sustainability, and long-term financial success for tribal and minority-owned businesses.

Supporting Mission-Driven Organizations
for over 25 Years
As accountants and consultants with deep experience working with tribal governments, related tribal enterprises, state and local governments, and non-profits, our approach is guided by a deep respect for tradition and self-governance.
We ensure that audit and attestation services meet the highest professional standards while aligning with long-term goals, empowering leaders to make informed decisions, foster economic sustainability and reinforce accountability within their communities.
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We proudly serve a diverse range of tribal governments, including tribal casinos, economic development corporations, and other tribal enterprises, providing specialized support tailored to your unique governance and economic structures.
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We provide tailored services to tribal enterprises, ensuring financial transparency, regulatory compliance, and operational efficiency.
Our expertise supports enterprises in meeting their unique challenges, fostering trust with stakeholders, and promoting growth in alignment with tribal values.
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We deliver comprehensive assurance and attestation services to state and local governments.
Our approach strengthens public trust, supports informed decision-making, and ensures the responsible stewardship of public resources.
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We provide specialized assurance and attestation services to non-profits.
Our solutions help organizations build donor trust, demonstrate responsible stewardship of resources, and focus on achieving their mission effectively.
Building Financial Trust and Confidence
LEARN MORE ABOUT OUR SERVICES
Ready to Help
Now is the time to strengthen your financial accountability and deliver stakeholder confidence.
Reach out to us today to start a conversation about how we can work together to build a strong, sustainable financial future.