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Harriet Strothers
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Delap Headquarters

5885 Meadows Road, No. 200
Lake Oswego, OR 97035

Harriet A. Strothers

Partner, CAO | CPA

Education: Drexel University, B.S., Business

Harriet has nearly 40 years of experience in providing state and local tax advisory and compliance services to large multi-state and multinational companies. As a tax partner at Delap, Harriet, along with principal Kim Lohr, leads the firm’s state and local tax practice. With extensive experience managing tax compliance and audits for all areas of state taxation as well as IRS LMSB “Large Case” audits, Harriet also performs state and local due diligence related to mergers and acquisitions.

Harriet spent almost half of her career in industry with The Ryland Group, a Fortune 500 home builder and mortgage lender that operates in 28 states. Upon her return to public accounting in 2007, Harriet observed that there was a need for business leaders to better understand how State and Local Taxes affected their financial decision making. Rather than developing an industry-specific concentration, Harriet focused on state tax minimization through planning and remediation strategies for taxpayers who operate in multiple states. These strategies include multi-state income/franchise tax refund engagements and reverse sales/use tax audits, as well as state voluntary disclosures to mitigate past tax liability. Harriet’s experience in industry included extensive audit defense. She has leveraged that experience into numerous successful audit strategies that she regularly employs when defending clients under audit by taxing authorities.

A frequent presenter on multi-state tax issues, Harriet has managed many large multi-state income/franchise tax refund engagements and reverse sales/use tax audits. She has managed and delivered numerous voluntary disclosure services and audit defense services in almost every state. Harriet has substantial experience advising clients on product sales/use taxability for different types of transactions and on nexus-related issues in 50 states.

After a two-year stint at Schnitzer Steel, Harriet worked with Moss Adams for six years before joining the team at Delap in 2014.


Learn More About Harriet

Practice Emphasis

  • Chief Accounting & Administration Officer
  • Delap Executive Team member
  • Leader of firm state and local tax (SALT) practice, including: income franchise, gross receipts, sales and use, property, and payroll
  • Public speaking and seminar presenter
  • Annual development and presentation of SALT basic and intermediate CPE
  • Tax controversy specialist, federal and state
  • Nexus studies
  • Voluntary disclosure services and state tax credits
  • Audit defense (federal and state)

Community Involvement

  • Oregon Society of Certified Public Accountants, 2020 Board of Directors Member
  • American Institute of Certified Public Accountants
  • Home Builders Association of Metropolitan Portland Member
  • Professional Women in Building
  • City of Portland Business License Appeals Board Member