CERTIFIED PUBLIC
ACCOUNTING FIRM
We are focused on your success
Petersen CPAs and Advisors, a certified public accounting firm, provides highly personalized tax, audit, and accounting services to businesses and individuals.
Our services
We offer a depth of experience partnering with public, private, and non-profit businesses from a variety of industries.
Accounting
Many of our accounting clients share a common history. They owned a business and kept the books themselves. Then they realized they needed help with the numbers, so they could focus on what they love: serving customers.
Assurance
We provide businesses and organizations with a full range of audit, review and compilation services.
Whether it involves financing requirements, a shareholder agreement, regulations under the Single Audit Act and OMB Circular A-133, or other reporting needs, our team of experts will partner with your staff to complete every step in the smoothest way possible.
Tax Planning
Our team of specialists has the technical knowledge and expertise to provide comprehensive tax and financial services to individual taxpayers, businesses, trusts, estates, and other related entities.
Because our connection with clients is personal, we don’t only respond to events. We anticipate opportunities to enhance your operations.
Business Consulting
Petersen CPAs and Advisors reaches beyond accounting, audit and tax to support clients who need specialized advising, with in-depth knowledge in several areas including:
- Non-Profit
- Litigation Support and Business Valuations
- Fraud Services
John Zylstra
March 2022

"Petersen & Advisors have been wonderful to work with. They are responsive and are always eager to answer any questions you might have. They don't pressure you for more billable hours, which is becoming rarer for even small accounting firms."