Withum Plus Portland

Located in South Portland, Withum is a leading Portland CPA firm focused on accounting, tax and advisory services. As a top 25 national firm, Withum’s dedicated team members serve organizations across industries that range from startups to global enterprises. We are a technology-driven firm helping the Portland community grow and thrive with services ranging from cybersecurity and forensics accounting to employee benefit plan audits and outsourced accounting services…plus a whole suite of advisory solutions that will level up your success. That’s the Power in the Plus!

Find The Portland Office

Portland Accounting and Advisory Service Specializations

Assurance and Accounting Services

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Cybersecurity

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Forensic and Valuation Services

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State and Local Tax

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Outsourced Accounting Systems and Services

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Oregon State and Local Tax Updates

Do you or your organization operate in multiple states? Do you own property in a variety of states? Oregon State and Local Tax (SALT) laws are always changing and understanding the nuances of the states that you own or operate in is challenging. In these Oregon resources, you’ll find just a dash of the most up-to-date details on rules and regulations as state and local tax changes happen by state!

Industries We Focus on in Portland

Withum in the Portland Community

Withum’s team members thrive in the office and in the Greater Portland community. Giving back to the communities in which we live and work is a central pillar of the Withum Way. That includes supporting local organizations through community service, events and more. The team focuses on supporting organizations that strengthen the community locally and throughout the state.

Beyond the Portland Office

Partner In Charge

Joe Thiermann headshot with a white background

Joe is a partner with over 25 years of specialized audit experience with audits of defined contribution plans, defined benefit plans, health and welfare plans, labor organizations and not-for-profits. He conducts system-wide reviews, designs and implements accounting systems and works on special projects involving system design, expense reporting and compliance, often in conjunction with other professionals to resolve regulatory and general management issues for clients.

Portland Leadership

Nick Browning

Partner

Portland, OR

Albert Leech

Partner

Seattle, WA

Contact the Portland Office