Top 100 Business Consulting Companies in Illinois
The Best of February 2026Looking 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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331Undisclosed50 - 249 employeesWestmont, ILLaunched in 1999, Axiom Technology Group is a midsize business intelligence company in Westmont, Illinois. Their team offers BI & big data consulting & SI and IT managed services.Read More
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332Undisclosed50 - 249 employeesChicago, ILTruQua, an IT strategy consulting company, was launched in 2010. They specializes in IT strategy consulting and cloud consulting & SI.Read More
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333Undisclosed2 - 9 employeesChicago, IL100Waters Group is a Business Consulting company founded in 2011. Their services include Business Consulting.Read More
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334Undisclosed250 - 999 employeesChicago, ILLaunched in 2001, DLC is a midsize Accounting company in Los Angeles, California and Chicago, Illinois. Their team specializes in Accounting and Financial Advising & Planning.Read More
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335$10,000+1,000 - 9,999 employeesEvanston, ILKatalyst Technologies Inc. Is an Evanston, Illinois-based big data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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336Undisclosed2 - 9 employeesDeer Park, ILMorganHR, Inc. Is a HR Consulting company. They are located in Deer Park, Illinois. Their team specializes in HR Consulting and Business Consulting.Read More
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337Undisclosed2 - 9 employeesChicago, ILEstablished in 2013, Barclay Digital is a Business Consulting company. The agency offers Business Consulting and Search Engine Optimization, and is small.Read More
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338Undisclosed2 - 9 employeesWheaton, ILSmall Accounting company M & M Accounting & Tax Services Ltd., is based in Wheaton, Illinois. The team focuses on Accounting and Business Consulting.Read More
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339Undisclosed2 - 9 employeesInverness, ILWillow CPA Group, Ltd. Is an Accounting company. Headquartered in Inverness, Illinois, the company was launched in 2014. Their team provides Accounting and Business Consulting.Read More
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340Undisclosed2 - 9 employeesDeKalb, ILThe Clausen Group, LLP is an Accounting company established in 2010. Their services include Accounting and Business Consulting.Read More
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341Undisclosed2 - 9 employeesSkokie, ILLaunched in 2000, Wolf Management Consultants is a Corporate Training & Coaching company. The team provides Corporate Training & Coaching and Business Consulting.Read More
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342Undisclosed2 - 9 employeesGlenview, ILThe Pydo Group, Inc. Is a small Commercial Brokerage Services company established in 2007. Their team provides Commercial Brokerage Services and Business Consulting.Read More
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343Undisclosed2 - 9 employeesElmhurst, ILEstablished in 2001, Findzall Community Marketing is a small Business Consulting company based in Elmhurst, Illinois. Their team provides Business Consulting and Marketing Strategy.Read More
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344Undisclosed2 - 9 employeesJoliet, ILMEADE ACCOUNTING & WEALTH MANAGEMENT is an Accounting company. They specialize in Accounting and Business Consulting and are headquartered in Joliet, Illinois.Read More
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345Undisclosed2 - 9 employeesChicago, ILFreedom Lifted, a Corporate Training & Coaching company, is in Chicago, Illinois. They specialize in Corporate Training & Coaching and Business Consulting and were launched in 2011.Read More
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346Undisclosed2 - 9 employeesLynwood, ILPoint of Success Workforce Solutions LLC, a Recruiting company, is based in Lynwood, Illinois. They offer Recruiting and Business Consulting.Read More
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347Undisclosed2 - 9 employeesAurora, ILAFCC Enterprises, LLC , an Accounting company, is in Aurora, Illinois. Established in 2020, the team specializes in Accounting and Business Consulting.Read More
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348Undisclosed2 - 9 employeesChicago, ILCognient Group is a small Business Valuation Services company in Chicago, Illinois. The team provides Business Valuation Services and Business Consulting.Read More
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349Undisclosed2 - 9 employeesChicago, ILH2 Business Consulting Firm, a Business Consulting company, was founded in 2015. The team specializes in Business Consulting and Marketing Strategy.Read More
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350Undisclosed10 - 49 employeesRolling Meadows, ILIn Rolling Meadows, Illinois, Ossanna Consulting is a HR Consulting company. They provide HR Consulting and Business Consulting.Read More
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351Undisclosed10 - 49 employeesLake Forest, ILPasquesi Sheppard LLC is an Accounting company launched in 1975. The team offers Accounting and Business Consulting.Read More
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352Undisclosed10 - 49 employeesBloomington, ILStriegel Knobloch & Company, LLC is an Accounting company. Their small team is in Bloomington, Illinois. Their team offers Accounting and Business Consulting.Read More
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353Undisclosed10 - 49 employeesLincoln, ILJ.M. Abbott & Associates is an Accounting company. The small Lincoln, Illinois-based team offers Accounting and Business Consulting. The agency was established in 1983.Read More
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354Undisclosed10 - 49 employeesChicago, ILPLG Consulting, a Logistics & Supply Chain Consulting company, provide Logistics & Supply Chain Consulting and Business Consulting. They were launched in 2001.Read More
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355Undisclosed10 - 49 employeesSchaumburg, ILAlliance Creative Group Inc is an Event Marketing company. The Schaumburg, Illinois-based company specializes in Event Marketing and Business Consulting.Read More
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356Undisclosed10 - 49 employeesGeneva, ILBranding firm Dorn was launched in 1976. The company provides Branding and Business Consulting, and is small.Read More
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357Undisclosed10 - 49 employeesChicago, ILLiberty Advisor Group is a Cybersecurity company. The firm is in Chicago, Illinois. Their team focuses on Cybersecurity and Blockchain.Read More
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358Undisclosed10 - 49 employeesChicago, ILBusiness Consulting company Talent Intelligence was established in 2002. The small team specializes in Business Consulting and Staffing.Read More
Industries
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359Undisclosed10 - 49 employeesChicago, ILSurge Creates is a graphic design company. Launched in 2001, their team provides Graphic Design and Print Design.Read More
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360Undisclosed10 - 49 employeesChicago, ILBuilden Partners is a Business Consulting company. Their small team is in Chicago, Illinois. Their team focuses on Business Consulting and Marketing Strategy.Read More
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