About Our Accounting Firm

Serving Small Businesses & Tax Clients For Over 25 Years

Bette G. Dermarest & Associates, PC was established in Olney, Maryland in 1990 to provide individuals and businesses with comprehensive, technically superior accounting and financial services delivered with exceptional customer service.

As a long-standing member of the greater Olney, Maryland community, our firm has developed many long-term relationships with clients in a wide range of industries including many in the professional services and medical profession. We are proud of our reputation for being caring, trusted advisors who provide the highest quality services, always with our clients’ best interests in mind.

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Our New Website!

It's a brand new day at Bette G. Demarest & Associates! We are proud to announce the recent launch of our firm’s new website. We’ve been working very hard to enhance our website...


Phone 301.570.0523 • Fax 301.570.1865
Email: admin@demarestcpa.com