Top U.S. Consulting Firms

IBM Global Services, a division of IBM, is the world's largest business and technology services provider. It employs over 190,000 people across more than 160 countries. IBM Global Services started in the spring of 1991, with the aim towards helping companies manage their IT operations and resources.

Imagistic is a business technology consulting and Internet software development company located in Westlake Village, California. Core services include business technology consulting, business technology strategy, technology forensics, RFP/RFI/RFQ consultation, internet software development, web development, custom applications, content strategy, and creative services.

Information Control Corporation, headquartered in Columbus, Ohio, United States, is the largest Ohio owned IT consulting company with $40 million in revenue and more than 375 employees.

JeffreyM Consulting is a business management consulting firm founded in 2006 by Jeffrey McCannon, currently headquartered in Bellevue, Washington. JeffreyM Consulting provides consulting services to companies such as Microsoft and companies working with Microsoft. According to the JMC website, its staff of more than 75 consultants is made up of mostly former-Microsoft employees.

Kaiser Associates is a boutique strategy consulting firm providing services in benchmarking, innovation, marketing and sales, mergers and aquisitions, organization and leadership, operations capabilities and strategy development and execution.

KBC Advanced Technologies plc is an independent provider of consulting and software services to energy and other process industries. Headquartered in Walton on Thames in England, the company has twelve other offices worldwide, with major operations in Houston and Singapore. KBC is a public company listed in the London Stock Exchange.

Kuczmarski & Associates is a Chicago based management consulting firm founded in 1983, specializing in innovation. The company focuses on creating innovation strategies, implementing innovation processes, and developing portfolios of new products and services for its clients.

Leidos, formerly known as Science Applications International Corporation (SAIC), is an American defense, aviation, information technology (Lockheed Martin IS&GS), and biomedical research company headquartered in Reston, Virginia, that provides scientific, engineering, systems integration, and technical services. Leidos merged with Lockheed Martin's IT sector, Information Systems & Global Solutions, in August 2016 to create the defense industry’s largest IT services provider.

McKinsey & Company, Inc. is a global management consulting firm that focuses on solving issues of concern to senior management. It is recognized as one of the most prestigious firms in the consulting industry and has been a top employer for new MBA graduates.

Microsoft Consulting Services (MCS) provides consulting services that are designed to support customers with their optimization and deployments of Microsoft technologies.

The Mitchell Madison Group is a global management consulting firm that focuses on improving financial and operating performance for major corporations. Unlike most traditional management consulting firms, the majority of Mitchell Madison's revenue is derived from success fees rather than hourly billing.

Moss Adams LLP provides accounting, tax and consulting services to public and private middle-market enterprises in many different industries. Founded in 1913, and headquartered in Seattle, Washington, Moss Adams has offices in Washington, Oregon, California, Arizona, New Mexico, and Kansas. Moss Adams provides consulting services in a variety of areas including: business consulting, information technology, litigation support, mergers & acquisitions, personal wealth, research, risk management, SEC/corporate finance and valuations.