About

Bill Haase, CPA, a Washington, DC area native, has been providing accounting and financial services in Northern Virginia as a sole practitioner for over 35 years. Bill’s broad practice involves advising various small businesses and individual taxpayers with complex and special situations in connection with accounting and tax planning matters and providing tax return preparation services. Bill also provides additional services to his individual clients as a Personal Financial Specialist (PFS).

Bill’s diverse expertise affords him the unique ability to leverage his knowledge of accounting, tax, and business when developing strategies and solutions for his clients. Many of Bill’s clients use him as the single source for their accounting, tax and financial planning needs. Bill takes a highly personalized approach to providing accounting, tax and other services. He takes the time to get to know each of his clients – whether a small business owner or individual – and understand his or her financial position and goals. He is dedicated to a hands-on approach that is proven to build trusting relationships, which is crucial when it comes to financial and tax matters.

Bill and his CPA practice are licensed in the State of Virginia. Bill has a BS in Business Administration, majoring in Accounting from George Mason University, Fairfax, Virginia. He is a member of the American Institute of Certified Public Accountants (AICPA) and, additionally, their PFS practice section.


Office Hours

Regular office hours are Monday through Friday from 9:00 AM to 5:00 PM EST. In order to accommodate your busy schedule, appointments outside of these hours are available upon request.

Location & Directions

9802 Days Farm Drive
Vienna, VA 22182

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