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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331Undisclosed2 - 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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332Undisclosed2 - 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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333Undisclosed2 - 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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334Undisclosed2 - 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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335Undisclosed10 - 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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336Undisclosed10 - 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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337Undisclosed10 - 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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338Undisclosed10 - 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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339Undisclosed10 - 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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340Undisclosed10 - 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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341Undisclosed10 - 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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342Undisclosed10 - 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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343Undisclosed10 - 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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344Undisclosed10 - 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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345Undisclosed10 - 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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346$1,000+Freelancer employeesNorthbrook, ILAJG Analytics is a small Northbrook, Illinois-based Business Consulting company. The team offers Business Consulting and Branding.Read More
Industries
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347Undisclosed2 - 9 employeesSchaumburg, ILPT Advocates is a Schaumburg, Illinois-based Business Consulting and Marketing Strategy company. Founded in 2017, the team offers Business Consulting and Marketing Strategy.Read More
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348Undisclosed2 - 9 employeesCrystal Lake, ILGRA, PC (George Roach & Associates) is a financial advising & planning company. The small Crystal Lake, Illinois-based firm was founded in 1993. Their services include financial advising & planning, accounting, and business consulting.Read More
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349$1,000+50 - 249 employeesNaperville, ILLibsys, a Back Office Outsourcing company, was established in 2002. The midsize team provides Back Office Outsourcing and Business Consulting.Read More
Industries
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350$5,000+50 - 249 employeesBurr Ridge, ILThe Mx Group is a Marketing Strategy company. They are based in Burr Ridge, Illinois. Their team focuses on Marketing Strategy and Email Marketing.Read More
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351Undisclosed50 - 249 employeesChicago, ILIn Chicago, Illinois, Alexander Group is a midsize Marketing Strategy company. The team offers Marketing Strategy and CRM consulting and SI.Read More
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352Undisclosed50 - 249 employeesChicago, ILGibson Consulting Group, LLC is an unified communications consulting & SI company. They offer unified communications consulting & SI and Business Consulting and are headquartered in Chicago, Illinois.Read More
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353UndisclosedFreelancer employeesAurora, ILBased in Aurora, Illinois, EMS Analytics - Effective Marketing Solutions is a small Business Consulting company. The team focuses on Business Consulting and Market Research.Read More
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354Undisclosed50 - 249 employeesRosemont, ILIn Rosemont, Illinois, Foresite Realty Partners, LLC is a midsize Commercial Brokerage Services company. The team specializes in Commercial Brokerage Services and Commercial Financing.Read More
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355Undisclosed50 - 249 employeesNaperville, ILDHJJ is a Naperville, Illinois-based Accounting company. The team specializes in Accounting and Business Consulting.Read More
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356Undisclosed50 - 249 employeesEast Peoria, ILMidsize Accounting company Heinold Banwart, Ltd., is headquartered in East Peoria, Illinois. Their services include Accounting and Business Consulting.Read More
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357Undisclosed50 - 249 employeesChicago, ILTopel Forman LLC is a Chicago, Illinois-based Accounting company. They offer Accounting and Financial Advising & Planning.Read More
Industries
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358UndisclosedFreelancer employeesChicago, ILSingularis Management Consulting , a Business Consulting company, is headquartered in Chicago, Illinois. The team focuses on Business Consulting and Accounting.Read More
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359Undisclosed50 - 249 employeesEffingham, ILVersatech Automation , a Business Consulting company, is located in Effingham, Illinois. Founded in 2008, the team offers Business Consulting and Engineering.Read More
Industries
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360Undisclosed50 - 249 employeesChicago, ILFounded in 2002, BigTime Software, Inc. Is a Market Research company. The team specializes in Market Research and Business Consulting.Read More
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