Top 100 Business Consulting Companies in Illinois
The Best of December 2025Looking for a top consulting firm in Illinois?
Consulting firms provide in-depth knowledge and understanding in relation to the client’s industry, technology, and processes. Having this kind of business partner empowers companies to make the best decisions for the business. They provide technical and corporate assistance, helping you resolve your challenges regardless of the industry you’re in.
Consulting firms provide a wide range of services, from creating business strategies to solidifying operational processes. Take your company to the next level by partnering with a firm today. Their knowledge and expertise are valuable assets for every business.
To assist you in your search for a partner, we’ve compiled this list of the top consulting companies in Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Illinois Business Consulting Firms
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541Undisclosed10 - 49 employeesSpringfield, ILSmall Business Consulting and HR Consulting company IICLE, is located in Springfield, Illinois. The team specializes in Business Consulting and HR Consulting.Read More
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542Undisclosed10 - 49 employeesLibertyville, ILHeadquartered in Libertyville, Illinois, HTH Consultants is a small Accounting company. The team provides Accounting and Financial Advising & Planning.Read More
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543$1,000+Freelancer employeesChicago, ILRobinomics Consulting is a Business Consulting company headquartered in Chicago, Illinois. Their services include Business Consulting and Funding & Investment.Read More
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544$10,000+2 - 9 employeesSchaumburg, ILMSTRATEGY & COMPANY LLC is a cloud consulting & SI company. The Schaumburg, Illinois-based team offers cloud consulting & SI and IT strategy consulting.Read More
Industries
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545Undisclosed2 - 9 employeesElgin, ILLogistics & Supply Chain Consulting company Cecil Analytics LLC is in Elgin, Illinois. Launched in 2022, the team provides Logistics & Supply Chain Consulting and Fulfillment.Read More
Industries
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546$5,000+50 - 249 employeesChicago, ILMidsize Business Consulting company Bostrom, is located in Chicago, Illinois. Their services include Business Consulting and Back Office Outsourcing.Read More
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547Undisclosed50 - 249 employeesOakbrook Terrace, ILBased in Oakbrook Terrace, Illinois, The CARA Group, Inc. Is a Business Consulting company. The team focuses on Business Consulting and Content Writing Services.Read More
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548Undisclosed250 - 999 employeesChicago, ILNovogradac & Company LLP is an Accounting company. The agency is located in Chicago, Illinois. Their team focuses on Accounting and Business Consulting.Read More
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549Undisclosed1,000 - 9,999 employeesChicago, ILKearney, a Business Consulting company, was established in 1926. The team focuses on Business Consulting and is headquartered in Chicago, Illinois and Bengaluru, India.Read More
Industries
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550Undisclosed10 - 49 employeesChicago, ILThe Wisdom Link, Inc. Is a small Business Consulting company founded in 2002. Their services include Business Consulting and Sales Outsourcing.Read More
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551$1,000+Freelancer employeesBatavia, ILLang Growth Consultancy is a Business Consulting company. Based in Batavia, Illinois, the team focuses on Business Consulting and Market Research.Read More
Industries
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552Undisclosed2 - 9 employeesChicago, ILLSC International, Inc., a small Business Consulting company, is located in Chicago, Illinois. Their services include Business Consulting and Affiliate Marketing.Read More
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553Undisclosed2 - 9 employeesSpringfield, ILLaunched in 2009, Targeted Marketing Resources is a small Business Consulting company. Their services include Business Consulting and Email Marketing.Read More
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554Undisclosed2 - 9 employeesCicero, ILDekhili Consulting and Industry Services is a small Business Consulting company. They specialize in Business Consulting and Corporate Training & Coaching and were founded in 2018.Read More
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555Undisclosed2 - 9 employeesSkokie, ILLaunched in 2008, SDG Consulting Inc is a Business Consulting company. The team specializes in Business Consulting and IT strategy consulting.Read More
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556Undisclosed2 - 9 employeesWheaton, ILBusiness Consulting and Marketing Strategy company Robis Marketing is in Wheaton, Illinois. Their services include Business Consulting and Marketing Strategy.Read More
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557Undisclosed2 - 9 employeesSchaumburg, ILManagement & Info Tech Solutions, a small Business Consulting and HR Consulting company, is located in Schaumburg, Illinois. Their services include Business Consulting and HR Consulting.Read More
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558Undisclosed2 - 9 employeesElmhurst, ILFounded in 2008, Aventino Technology Solutions, Inc. Is an IT strategy consulting and Business Consulting company. Their team specializes in IT strategy consulting and Business Consulting.Read More
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559Undisclosed2 - 9 employeesDeer Park, ILHeadquartered in Deer Park, Illinois, Woodfield Financial Advisors Inc is a small Accounting and Business Consulting company. Their services include Accounting and Business Consulting.Read More
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560Undisclosed2 - 9 employeesRiverwoods, ILOutlook Accounting & Taxes is an Accounting and Business Consulting company. The agency is headquartered in Riverwoods, Illinois. Their services include Accounting and Business Consulting.Read More
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561Undisclosed2 - 9 employeesSchaumburg, ILSmall Business Consulting and HR Consulting company Premier Staffing Pros, is based in Schaumburg, Illinois. The team provides Business Consulting and HR Consulting.Read More
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562Undisclosed2 - 9 employeesBuffalo Grove, ILMichael Friedland LTD. Is an Accounting and Business Consulting company. They are in Buffalo Grove, Illinois and have small team. Their services include Accounting and Business Consulting.Read More
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563Undisclosed2 - 9 employeesBarrington, ILBarrington Area Chamber of Commerce is a small Accounting and Business Consulting company based in Barrington, Illinois. Their services include Accounting and Business Consulting.Read More
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564Undisclosed2 - 9 employeesDeerfield, ILScott, Horewitch, Pidgeon & Abrams, LLC is a small Deerfield, Illinois-based Accounting and Business Consulting company. The team provides Accounting and Business Consulting.Read More
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565Undisclosed2 - 9 employeesSchaumburg, ILSmall Accounting and Business Consulting company Pradip Patel and Company, is located in Schaumburg, Illinois. Their services include Accounting and Business Consulting.Read More
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566Undisclosed2 - 9 employeesArlington Heights, ILSmall Accounting and Business Consulting company Gurgiolo Associates, is in Arlington Heights, Illinois. The team provides Accounting and Business Consulting.Read More
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567Undisclosed2 - 9 employeesBartlett, ILSwing Consulting Inc Strategic is a Corporate Training & Coaching and Business Consulting company. They were founded in 1991 and specialize in Corporate Training & Coaching and Business Consulting.Read More
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568Undisclosed2 - 9 employeesPark Ridge, ILLeadership Dimensions Consulting group is a Corporate Training & Coaching and Business Consulting company established in 2008. Their team offers Corporate Training & Coaching and Business Consulting.Read More
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569Undisclosed2 - 9 employeesElk Grove Village, ILLaunched in 2013, Jinstar Inc is a small Business Consulting and Marketing Strategy company. Their team provides Business Consulting and Marketing Strategy.Read More
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570Undisclosed2 - 9 employeesSt. Charles, ILLilly Management Group is a Business Consulting company. They were launched in 2005 and provide Business Consulting and Product Design.Read More
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