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25 Year Anniversary Celebration

Williams Adley Attends AGA National Leadership Conference


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McCoy Williams, former GAO Managing Director, joins Williams Adley


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Williams, Adley & Company-DC, LLP is pleased to announce that McCoy Williams, former Managing Director of Financial Management and Assurance at the U.S. Government Accountability Office (GAO), has joined the Government Practice Group as Director.


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Williams, Adley & Company, LLP is one of today's premier certified public accounting and management consulting firms in the country. Since its inception in 1982, the firm has grown from a "start up" to a reputable service provider with a national presence.

As we celebrate our 25th Anniversary, we wish to extend a sincere "thank you" to our clients and friends for your continued support throughout our growth.

Our partners and multi-disciplinary staff enjoy unquestioned respect based on our long-standing position in the marketplace. We deal with virtually all aspects of accounting - audits, internal control reviews, financial services, management information systems, tax preparation, facilities management, project management, monthly compilations, and special studies.

Our professional staff represents the full spectrum of auditors, tax advisors, accountants, and management consultants.

We have developed a capacity and an excellent reputation for serving a wide cross-section of clients, including federal agencies, state and local governments, non-profit organizations, professional athletes, small and medium-sized business entities, professional associations and individuals. Our management style is characterized by a strong commitment to our clients and creative solutions to complex financial problems.

WA&Co continually strives to develop strategic client relationships based on trust and the integrity of our work. Our goal and commitment to technical excellence has garnered invitations to teach and lecture on areas of expertise at professional training conferences. This ability to make strategic connections has been of great value to the firm. We believe in long-term relationships and will take advantage of our extensive network, both locally and abroad, to provide our clients with first-class service.