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About us

David N. Hainsworth CPA, PC has been providing accounting, tax, estate and trust services, as well as financial planning guidance to individual and business clients in the Northern Virginia area. We also have expertise in estate administration, planning and taxation.

It’s our goal to empower our clients with the information and skills needed to manage their business and financial affairs with confidence. As a Next Generation Accounting Firm™, we are dedicated to using technology to improve the services we deliver. We employ SaaS-based innovations, integrated software, and other technologies to support real-time information sharing with our clients.

But it’s not just about the services we provide. We recognize the value of a personal, hands-on approach to doing business and earning clients for life. At David N. Hainsworth CPA, PC, we are committed to carrying out our services with integrity, excellence, and respect for others. Our dedication and client support is beyond compare, always putting your best interests at the forefront.

Dave Hainsworth, CPA, CFP


Debra Duffy


Debra Yager


Pamela Hainsworth

Staff Accountant

Theresa John


Annika Tammiste

Office Manager