About Johnson & Richardson

Personal, Professional Service

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Our History

Your taxes and accounting have been our passion since 1980, when Jim Richardson founded what is now Johnson & Richardson CPAs. Our passion is serving both individual and business clients by providing the best service and personalized attention in the industry.

Our staff has been hand-selected to bring proven business skills and industry-specific and professional business knowledge to meet your needs. Our mission is to provide you with the support you need, and our assurance that we will provide the best tax planning, most accurate returns, and the lowest tax bill allowed by law.

Thank you so much for your trust and confidence over the past 35 years. As we move into our next phase of business, our commitment to you remains top priority.

Our Expertise

One of the ways we stand apart from other CPA services is that we focus on year-round support for our clients. We are relationship-based and service oriented, and we won’t rest until you’re happy. We offer a full range of services including:

  • Client Revenue Growth by Increasing sales and income through planning and tracking of income and expenses. 97%
  • Income and Asset Tax Savings – Maximizing deductions for income and taking up front deductions on assets depending on our client’s tax situation. 98%
  • Asset Allocation Revenue –determining the useful life of assets for largest deduction. For individuals, we help with allocating assets and defining different revenue streams. 98.3%
  • Profit Maximized – Get your maximum deductions on your returns. For businesses, we’ll set you up to track your progress so you can make sound business decisions every step of the way. We’ll help you balance the need to show profit while making sure you’re getting all the deductions you’re entitled to. 97%

Meet the TEAM


Ryan Johnson

Ryan Johnson

Managing Partner

Ryan Johnson joined the firm in December 2008. A graduate from Evergreen High School, he attended Mt. Hood Community College, earning two Associates Degrees, and Concordia University, earning a Bachelor of Arts Degree in Business Administration with a concentration in Accounting.

Tammy Petersen

Tammy Petersen

Office Manager

Tammy is the familiar face and friendly voice for our company, making sure clients are taken care of and ensuring the office and staff run smoothly from day to day.

She graduated from Clovis Adult School in Clovis, CA and is currently studying Spanish in preparation for an upcoming trip to Mexico.

Debra Hobbs

Debra Hobbs

Senior Accountant

Debra holds an Associate Degree in Accounting, and is a Licensed Tax Consultant with the State of Oregon. Her focus on the team is Tax Preparation and Payroll Supervision.

She prepares personal, corporate and partnership returns and reviews the work of other staff members as well their performance.

Sigmund Penghsiung

Sigmund Penghsiung

Staff Accountant

Sigmund has a Bachelor of Science in Accounting from Portland State University and his focus is on Individual, Entities, and Estate Tax Returns, as well as Bookkeeping, and HOA Management.

In addition to his accounting duties, Sigmund brings diversity and a team-oriented attitude. From Portland, Oregon, Sigmund joined the firm in December 2013.

Christopher Ryan

Christopher Ryan

Staff Accountant

Chris graduated from Concordia University Portland with a Bachelor’s in Accounting in 2016. He is currently studying for the CPA licensing exam. His field of focus includes Individual Taxation and Bookkeeping. 

Chris moved to Portland to pursue an education in business only to discover he enjoyed accounting work and changed his major.

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