Consulting firms in D.C.

Accenture plc is a global management consulting, technology services and outsourcing company headquartered in Dublin, Republic of Ireland. It is the largest consulting firm in the world and is a Fortune Global 500 company. As of August 2015, the company had more than 373,000 employees across 130 countries. Accenture's current clients include 96 of the Fortune Global 100 and more than three-quarters of the Fortune Global 500. Previously incorporated in the USA, then in Bermuda, since September 1, 2009 the company has been incorporated in Ireland.

Altarum Institute is a nonprofit health systems research and consulting organization serving government and private-sector clients. Altarum provides objective research and tailored consulting services to help clients understand and solve the complex systems problems that impact health and health care. By conducting both consulting and independent research, Altarum claims their model combines the benefits of an analytical research institution with the business acumen of a traditional consultancy to deliver comprehensive, systems-based solutions.

Analysis Group, Inc. founded in 1981, is the largest privately held economic consulting firm in the United States. The firm provides economic, financial and strategic analysis and expert testimony to law firms, corporations, and government agencies.

ARC Advisory Group is a technology research and advisory firm for Automation, Asset Management and Supply Chain Solutions.

The Balanced Scorecard Institute provides consulting & facilitation services combine training, facilitated team building, and problem-solving consulting and coaching to help clients build their own balanced scorecard strategic management system.

BDO Global is a worldwide professional services network of public accountancy firms, serving national and international clients. Each BDO Member Firm is an independent legal entity in its own country. The network, originally formed in 1963 as Binder Seidman International Group, is coordinated by BDO Global Coordination B.V., with an office in Brussels, Belgium. The name BDO, first devised in 1973, is an acronym of Binder Dijker Otte & Co.

Booz Allen Hamilton Inc. NYSE: BAH, or more commonly Booz Allen, is an American public consulting firm headquartered in McLean, Fairfax County, Virginia, with 80 other offices throughout the United States. Ralph Shrader is its Chairman and Chief Executive Officer. The firm was founded by Edwin Booz in Chicago circa 1914. It is listed as number 438 in the 2011 Fortune 500.

Buck Consultants is a global HR benefits and human resource consulting firm.

Chemonics is an international development consulting firm that promotes meaningful change to help people live healthier, more productive, and more independent lives in developing countries.

As an economic consulting firm, Compass Lexecon provides law firms, corporations and government clients with clear analysis of complex issues. They provide insight into legal and regulatory proceedings, strategic decisions and public policy debates. Practice areas include litigation related to securities, intellectual property, accounting, risk management, valuation, corporate governance and employment matters as well as regulatory and public policy.

Dalberg Global Development Advisors is a niche consultancy firm. Founded in 2001, the company specializes in global development and globalization and has coordinated several public-private partnerships.

Deloitte Touche Tohmatsu Limited /dəˈlɔɪt ˈtuːʃ toʊˈmɑːtsuː/, commonly referred to as Deloitte, is a multinational professional services firm headquartered in New York City in the United States.