LAKE OSWEGO, OR, Nov. 19, 2025—Forbes has named Diana Strassmaier, Partner and leader of the Architecture and Engineering practice at Aldrich CPAs + Advisors, LLP, to its 2025 list of America’s Top 200 CPAs. This national recognition highlights Certified Public Accountants (CPAs) who have showcased excellence in client service, technical knowledge, professional leadership, and community involvement.
“Diana’s recognition by Forbes reflects the kind of integrity and excellence that elevate the entire accounting profession,” said Tracy Allen, CPA, CCIFP®, Aldrich Partner and one of Forbes’ 2025 Best in State CPAs for Oregon. “She brings true passion and heart to her work, setting the gold standard as an industry luminary and as a business advisor to architects and engineers.”
The second annual Top 200 CPAs list is the result of an 18-month editorial review process involving nominations, peer recommendations, direct outreach, and evaluation by Forbes’ editorial team. Honorees were selected based on success within their firms, contributions to the advancement of the accounting profession, and a demonstrated commitment to public trust.
About Diana Strassmaier
Diana Strassmaier, CPA, CCIFP®, made Partner at Aldrich in 2021, and brings over 25 years of experience serving clients in the architecture, engineering, construction, government contracting, and manufacturing industries. She specializes in indirect cost rate (overhead) audits, financial statement audits, tax planning, and management consulting.
In 2023, Diana was named to the Daily Journal of Commerce’s Women of Vision List. She is also a recognized speaker and instructor on the AASHTO Audit Guide, frequently presenting at national and regional industry conferences hosted by organizations such as the American Council of Engineering Companies and the National Highway Institute. Before relocating to the Northwest, she served in leadership roles with the Maryland Association of CPAs and ACEC Maryland. Diana holds a Bachelor of Science in Business Administration from California Polytechnic State University, San Luis Obispo.
About Aldrich
For more than 50 years, Aldrich has worked with businesses, their owners, and their employees to help them achieve their professional and personal financial goals. We pair deep industry experience with a full suite of integrated financial, tax, accounting, wealth, corporate retirement, and business transition services to help bring clarity to every phase of our clients’ personal and professional life cycles.
The Aldrich group of companies is composed of Aldrich CPAs + Advisors LLP, one of the top 70 accounting firms in the US; Aldrich Wealth LP, a Registered Investment Advisory firm with over $6.5 billion in assets under advisement; and Aldrich Capital Advisors LP, which provides advisory services for business transactions.
Based in Oregon since our founding in 1973, Aldrich now serves clients across the country from our eight offices throughout the Western US.
Learn more at www.aldrichadvisors.com/about.
