Consulting firms in Illinois

Global Resources provides services in Business Analysis, Management Consulting, Strategic Tax Planning and Business Valuations for small and medium-size businesses.

Grant Thornton LLP encompasses the U.S. operations of Grant Thornton International, the largest accounting organizations outside of the Big Four. The member firms of Grant Thornton International comprise a network of 27,000 employees and 2,207 partners in more than 110 countries. Composite revenues of Grant Thornton International member firms in 2007 were $3.5 billion. Grant Thornton LLP is the U.S. member firm and the organization's largest, operating out of 50 offices with more than 5,000 employees and 499 partners.

HCT Consulting provides consulting services that focus on the financial performance, operational efficiency and clinical quality of hospitals.

HTS offers consulting services, contract consulting and staff augmentation.

HVS Global Hospitality Services is a consulting firm based in Mineola, New York that specializes in providing services to the hospitality industry. As of 2010, HVS operated out of 30 offices located in North America, Europe, Asia, South America, and the Caribbean. In addition to its original offerings of consulting and valuation services for the lodging industry, HVS provides multiple hospitality services and specializations in areas such as executive recruitment, investment banking, golf facilities, hotel parking operations, convention centers, environmental sustainability, and risk management.

Specialists in human factors, psychology, business, design, engineering and manufacturing provide full service consulting for product innovation and design.

Provides consulting and coaching in Lean enterprise transformation for a wide range of industries and organizations.

itelligence is an international provider of midmarket-focused SAP solutions and a wholly owned subsidiary of itelligence AG, a solution and consulting company with a presence in 20 countries.

Kaizen Consulting focuses on helping entrepreneurs develop businesses. They focus on three types of clients: Individuals starting a new business, growing an existing successful entrepreneurial business, owners of established businesses who want to retire and sell their business.

KEMA provides energy consulting and testing & certification

International investigations, security, forensic accounting, and risk consulting services. Headquartered in New York with offices in more than 25 countries.

L.E.K. Consulting is an international strategy consulting firm with over 900 employees. The firms headquarters are in London and they have offices in Asia, Europe and the Americas.

Lipman Hearne is a marketing and communications firm serving nonprofit organizations including international foundations, research universities, and cultural and medical institutions, small colleges, advocacy organizations, and community-based organizations. Services include philanthropic communications, branding, media, interactive marketing, and advertising services.