Simpson & Company P.C. is a professional accounting and consulting firm established in 1979, specializing in not-for-profit and small business accounting, tax preparation, and tax planning. Based in Portland, Oregon, our team of experienced professionals is dedicated to providing exceptional service to our clients in the Northwest.
Our Mission
At Simpson & Company, we strive to promote leadership, honesty, and integrity. We believe that our greatest assets are our people, and we encourage greatness in both our clients and our staff. We are committed to providing personalized service, conducting ourselves with the highest levels of professionalism and integrity, and staying up-to-date with the latest accounting and tax laws.
Our Services
Our team of experienced professionals offers a range of services to meet the unique needs of our clients. These services include:
- Not-For-Profit Accounting Services: We provide auditing, review, and compilation services to not-for-profit organizations, ensuring compliance with accounting standards and federal and state regulations.
- Small Business Accounting Services: We offer comprehensive accounting services to small businesses, including financial statement preparation, budgeting, and consulting.
- Tax Preparation and Planning Services: Our experienced tax professionals prepare and review individual and business tax returns, providing tax planning and consulting services to help our clients reduce their tax liability.
- Auditing and Attestation Services: Our auditing and attest services ensure that our clients' financial statements are accurate, reliable, and compliant with accounting standards and regulations.
Our Team
At Simpson & Company, we believe that our people are our greatest strength. Our team consists of experienced professionals with a deep understanding of accounting standards, tax laws, and regulatory requirements. Our partners, Lisa Joerin and Melissa Andal, bring a combined 50 years of experience in public accounting, with expertise in not-for-profit and small business accounting.
News and Resources
We stay up-to-date with the latest accounting and tax laws, providing our clients with timely and relevant information to help them navigate the complex financial landscape. Our newsletter, circulated quarterly, keeps our clients informed about changes in tax laws, accounting standards, and regulatory requirements.

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