Strength in Numbers
At Thelander Cornerstone Financial, we partner with you to deliver precise bookkeeping and tailored accounting solutions, empowering your business or personal finances to achieve lasting financial clarity and success. We pride ourselves on the strength we bring in numbers—both in our understanding of the financial details that drive smart decision-making, and in the power of working together. By combining technical expertise with a collaborative mindset, we help individuals and small to mid-sized businesses create efficient, effective systems that support long-term growth and peace of mind.
Empower Your Business Finances Today
At Thelander Cornerstone Financial, we partner closely with small to mid-market businesses and individuals to deliver precise bookkeeping and accounting solutions. Our commitment to accuracy, collaboration, and forward-thinking strategies ensures your financial clarity and success now and into the future.

Precision Accounting for Sustainable Growth
Discover our comprehensive accounting and bookkeeping services, crafted to empower your business with clarity and confidence.

Bookkeeping Excellence
Accurate and timely bookkeeping tailored to keep your financial records flawless and up-to-date.
Tax Preparation & Planning
Proactive tax strategies designed to maximize savings and ensure compliance with all regulations.
Financial Consulting
Personalized advice and planning to help you navigate complex financial decisions with confidence.

BJ Thelander
Owner
Led by a seasoned professional with extensive C-level and non-profit leadership experience, our firm brings decades of expertise in bookkeeping, accounting, collections, staff development, and financial planning. We understand that small to mid-market business owners wear many hats, and we’re here to take the financial one off your plate—with precision and care.
We specialize in helping business owners stay on top of their finances by keeping books accurate, organized, and tax-prep ready all year long. Whether you’re just starting out or managing a growing enterprise, our mission is to build a strong financial foundation so you can focus on what you do best—running your business.
Let Thelander Cornerstone Financial be your trusted partner in financial clarity. Because with us, there’s strength in numbers.
Tailored Accounting Solutions for Your Needs
Gain Clear Insights into Your Finances Today
Discover our transparent pricing plans designed to fit your business goals and maximize financial success.