Basis of Presentation and Nature of Operations

12 Months Ended

Dec. 31, 2012

Basis of Presentation and Nature of Operations [Abstract]

BASIS OF PRESENTATION AND NATURE OF OPERATIONS

NOTE A—BASIS OF PRESENTATION AND NATURE OF OPERATIONS

Basis of Presentation and Nature of Operations

The accompanying consolidated financial statements include the accounts of ICF International, Inc. (“ICFI”), and its subsidiary, ICF Consulting Group, Inc. (“Consulting”), (collectively, “the Company”). Consulting is a wholly owned subsidiary of ICFI. ICFI is a holding company with no operations or assets other than its investment in the common stock of Consulting. All subsidiaries are wholly owned by Consulting. All significant intercompany transactions and balances have been eliminated.

Nature of Operations

The Company provides management, technology, and policy professional services in the areas of energy, environment, and infrastructure; health, social programs, and consumer/financial; and public safety and defense. Beginning in 2012, the Company changed the names of its markets; see “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Overview” for a more detailed discussion. The Company’s major clients are U.S. government departments and agencies, especially HHS, DoD, DOS, EPA, DHS, USDA, HUD, DOT, DOI, DOJ, DOE, and ED; U.S. state and local government departments and agencies; non-governmental organizations, non-U.S. governments, and multilateral institutions; and commercial clients worldwide, such as airlines, airports, electric and gas utilities, financial institutions, health payer and provider organizations, law firms, multinational corporations, non-profit organizations, oil companies, and retail firms. The Company offers a full range of services to these clients, including strategy, analysis, program management, and information technology solutions that combine experienced professional staff, industry and institutional knowledge, and analytical methods.

The Company, incorporated in Delaware, is headquartered in Fairfax, Virginia. It maintains offices throughout the world, including over 60 offices in the U.S. and over 15 offices in key markets outside the U.S., including offices in Beijing, Hong Kong, New Delhi, Ottawa, Toronto, Brussels, London, and Rio de Janeiro.

Reclassifications

Certain amounts in the 2011 and 2010 consolidated financial statements have been reclassified to conform to the current year presentation.