Accounting, Tax & Bookkeeping for Small Business and Non-Profits

Accounting, Tax & Bookkeeping for Small Business and Real estate investors

Our founder is a Washington State Licensed CPA with a Master’s Degree from the University of Washington in Accounting and a Non-Profit Management. She has been both a small business owner and the CFO/COO in the exciting and exhausting development stages of non profit organizations.

About Us

As a trusted team based out of the South Puget Sound area, we believe in empowering businesses and non-profits with clear, actionable financial insight. Imagine having an experienced team dedicated to equipping you with the resources to make informed decisions, accurately assess potential growth opportunities, and identify possible shortfalls. By outsourcing your accounting to our skilled accountants and advisors, you can focus on what matters most – delivering your product or service.

At Cornerstone CPA, we’re more than just an accounting service provider; we’re your partners in business. Our mission is to alleviate the burdens and stress associated with financial management, providing valuable insights based on years of experience and expertise. We’re committed to serving our local community, especially those most impacted by the current pandemic, by offering hope and practical financial assistance.

If you’ve previously viewed accounting as merely an administrative requirement rather than a value-added component, we’re here to change that perspective. Our unique blend of operational insight and financial expertise is designed to add tangible value to your business. Let us show you how we can transform your accounting from a necessary task into a strategic tool for growth.

We care about your business and your success. And we’re excited to partner with you on your journey.

Cassie Flinn
Cassie Flinn
STTR
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Miriam and her team at Cornerstone came highly recommended to us by our banker. When we had our first meeting with Miriam , my husband and I knew right away that this was the perfect company to help us grow our business the way we have always wanted. Miriam is so knowledgeable and always available to help with any situation or questions we may have. As a business owner, it is such a relief to know that we are in such good hands with our accounting as well as our taxes. I would definitely recommend Cornerstone!!
Bradley Helm
Bradley Helm
Helm Co
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I use Cornerstone for my business and personal accounting. They are very prompt whenever I have questions and are very knowledgeable in their field. I would highly recommend!
Robert Kaelin
Robert Kaelin
Elements & Counter Culture
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I can't even express how grateful I am for Cornerstone CPA Services. They are wonderful to work with. Everyone on the team cares. Not only have they helped me get things running smooth, they are helping me grow. And to top it off, they are always looking out for my best interest. They saved me THOUSANDS this year alone! If you are looking for a CPA... look no further. Get in touch with Cornerstone CPA Services today. You'll be glad you did.
Jay Henson
Jay Henson
Henson Architects
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I highly recommend Cornerstone CPA. I use them for bookkeeping and tax preparation and it has been a wonderful experience as I navigate my new small business endeavor.
Beth Curtis
Beth Curtis
Atomix Genius
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100% recommend the Cornerstone team! We are going on 3 years with their services and couldn't be happier. Excellent customer service!
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So you can focus on life family work

We partner with you to support your business with a program designed to fit your organization – so you can focus on what’s important.