Professional Tax Services, Always Within Reach.
White Birch Consulting is a Seattle-based CPA firm operated by its founder and sole practitioner, Mayumi Klempel.
Our mission is to provide C-corporations with the expertise and responsiveness of an in-house tax specialist—someone who is easy to reach and ready to support your business.
We are a C-Corporation Specialist Providing Exceptional Value
Income Tax Compliance Made Easy
No more waiting for your tax return draft to arrive too close to the deadline. With a seasoned professional as your tax consultant and preparer, you will receive quality tax returns much faster than larger firms.
Taxes in Plain Language
We transform complex tax concepts into clear, actionable insights—empowering CFOs and Controllers to fully understand their company’s tax positions and make informed decisions.
Tax Help for Assurance Firms
Confidently issue financial statement opinions backed by accurate income tax provisions. Whether your clients need a tax provision prepared or you require expert consultation, we’re here to help.