Our Firm

Biermann Straatmann P.C. is a locally owned CPA firm with office locations in Pacific and Washington. Our firm is committed to the success of our clients, our people, and our communities. Our combined team of CPAs have more than 100 years' experience in public accounting. 

We provide value to our clients by combining the experience and expertise of a large firm with the personal attention, reasonable fees and prompt turnaround that only a small firm can provide. 

Our People

Don Biermann, CPA • don@bscpas.net

Don is the President of Biermann Straatmann P.C. and manages the Washington office. He has over 45 years’ experience in public and private accounting providing a range of services to a diversified client base. He specializes in financial management and tax planning for small to medium sized businesses and their owners.

Don earned his Bachelor’s degree in Business Administration from Southeast Missouri State University. He is a member of the American Institute of CPA’s and the Missouri Society of CPA's

Don and his wife Mary reside in the Krakow area. They have three children and eight grandchildren. In his freetime, Don enjoys spending time spoiling his grandkids and giving back to the community through various civic organizations. He also enjoys golf, hunting and fishing.


DougDoug Straatmann, CPA • doug@bscpas.net

Doug is the Vice President of Biermann Straatmann P.C. and manages the Pacific office. He has over 35 years’ experience in public accounting providing quality service to a wide range of clients. He specializes in tax compliance and planning for small businesses, individuals, and not-for-profit organizations. 

Doug earned his Bachelor’s degree from Missouri State University and is a member of the American Institute of CPA's and the Missouri Society of CPA’s.

Doug and his wife Ann reside in the Beaufort area with their two boys. When Doug is not at the office he enjoys spending time with his family, golfing and hunting..



TomTom Metcalf, CPA • RETIRED 12/31/21

Tom merged his practice with Biermann Straatmann P.C. on February 1, 2019 and retired December 31, 2021. Tom had a wonderful career and is enjoying full retirement. 




Our History

Don Biermann and Doug Straatmann merged their Certified Public Accounting Firms effective January 1, 2019.
Don started Biermann CPA Firm in 1988. Doug started Straatmann CPA Firm in 1998.

Our Credintials

Don is a graduate of South East Missouri State University in 1977. Don became a CPA in February 1983.
Doug is a graduate of Missouri State University in 1990. Doug became a CPA in January of 1995.

Our Mission

To provide exceptional accounting, tax, and consulting services to our clients at reasonable fees, delivered on time so that you can be more successful and profitable.

Our Areas of Specialization

We consider ourselves general practitioners. We have worked extensively in the areas of construction, wholesalers, wineries, and professional services. 

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