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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181Undisclosed10 - 49 employeesChicago, ILProperty Consultants Realty is a Business Consulting company. They offer Business Consulting and were launched in 1989.Read More
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182Undisclosed2 - 9 employeesChicago, ILBusiness Consulting company The Counselors of Real Estate® was founded in 1953. The small team provides Business Consulting.Read More
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183Undisclosed2 - 9 employeesChicago, ILNear Loop Real Estate Consulting is a small Chicago, Illinois-based Business Consulting company. The team provides Business Consulting.Read More
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184Undisclosed10 - 49 employeesLincolnwood, ILPahroo Chicago Appraisal & Real Estate Consultancy is a Business Consulting company. Established in 1999, the team specializes in Business Consulting.Read More
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185Undisclosed2 - 9 employeesChicago, ILJohnson Consulting is a Business Consulting company. They are in Chicago, Illinois and have small team. They specialize in Business Consulting.Read More
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186Undisclosed2 - 9 employeesChicago, ILBased in Chicago, Illinois, DeLacy Consulting, LLC is a small Business Consulting company. The team offers Business Consulting.Read More
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187Undisclosed50 - 249 employeesChicago, ILProject Management Advisors, Inc. Is a Business Consulting company located in Chicago, Illinois. They specialize in Business Consulting.Read More
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188Undisclosed2 - 9 employeesMoline, ILSBS Financial is a business consulting company. They provide business consulting and were launched in 2013. Their small team is based in Moline, Illinois.Read More
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189Undisclosed2 - 9 employeesChicago, ILDo What Matters, a small Business Consulting company, is in Chicago, Illinois. Their services include Business Consulting and Corporate Training & Coaching.Read More
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190Undisclosed50 - 249 employeesChicago, ILFerguson Partners is a Business Consulting company. Located in London, England and Chicago, Illinois, the company was founded in 1989. Their services include Business Consulting.Read More
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191Undisclosed10 - 49 employeesMorton, ILFounded in 2009, DSM-H Consulting is a small Business Consulting company. Their services include Business Consulting.Read More
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192Undisclosed2 - 9 employeesNorthbrook, ILCapital Management Consultants, Inc. Is a Northbrook, Illinois-based Business Consulting company. They focus on Business Consulting.Read More
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193Undisclosed10 - 49 employeesChicago, ILTreacy & Company by Cherry Bekaert is a small Boston, Massachusetts-based Business Consulting company. Their services include Business Consulting.Read More
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194Undisclosed10 - 49 employeesChicago, ILTransparent Energy, a Business Consulting company, is based in Fairfield, New Jersey and Chicago, Illinois. Founded in 2009, the team offers Business Consulting.Read More
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195Undisclosed50 - 249 employeesOakbrook Terrace, ILRK Management Consultants, Inc. Is a Business Consulting company founded in 1988. The midsize team specializes in Business Consulting.Read More
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196Undisclosed10 - 49 employeesChicago, ILBusiness Consulting company Valorant is located in Chicago, Illinois and London, England. Their services include Business Consulting.Read More
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197Undisclosed50 - 249 employeesChicago, ILHealthScape Advisors is a midsize Business Consulting company in Chicago, Illinois. Their services include Business Consulting and Compliance Consulting.Read More
Industries
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198Undisclosed10 - 49 employeesChicago, ILThoughtium, LLC, a Business Consulting company, was established in 2016. They focuses on Business Consulting and Corporate Training & Coaching.Read More
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199Undisclosed10 - 49 employeesChicago, ILLake Shore Associates, Inc. Is a Business Consulting company. The Chicago, Illinois-based company offers Business Consulting and IT staff augmentation.Read More
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200Undisclosed10 - 49 employeesChicago, ILLaMarsh Global is a Business Consulting company. Headquartered in Chicago, Illinois, their small team provides Business Consulting and HR Outsourcing. The agency was established in 1979.Read More
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201Undisclosed50 - 249 employeesPeoria, ILALIPRO is a Business Consulting company. Their midsize team of employees is based in Plymouth Charter Township, Michigan and Peoria, Illinois. Their team focuses on Business Consulting and Staffing.Read More
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202Undisclosed50 - 249 employeesNorthbrook, ILGlobal Resources, LLC is a Business Consulting company. Their midsize team is based in Northbrook, Illinois and offers Business Consulting and Accounting. The company was established in 2011.Read More
Industries
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203$25,000+50 - 249 employeesSchaumburg, ILPSC Group, a custom software development company, provide Custom Software Development and Enterprise App Modernization. They were launched in 1990.Read More
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204$5,000+2 - 9 employeesSkokie, ILLaunched in 2013, Pop Digital Marketing is a branding agency. The team provides Branding and Social Media Marketing and is based in Skokie, Illinois.Read More
Industries
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205Undisclosed2 - 9 employeesBatavia, ILEstablished in 1995, The Language Bank, Inc. Is a Business Consulting company. The company provides Business Consulting and Transcription, and is small.Read More
Industries
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206$1,000+2 - 9 employeesVilla Park, ILOur Favorite Social is a social media marketing firm established in 2003. The firm focuses on Social Media Marketing and Marketing Strategy, and is small.Read More
Industries
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207$1,000+10 - 49 employeesChicago, ILTissaa is a SEO services firm. They are in Chicago, Illinois and have a small team. The firm provides search engine optimization, IT strategy consulting, cloud consulting & SI, IT managed services, and more.Read More
Industries
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208$5,000+2 - 9 employeesChicago, ILBlue Bist is a cloud consulting & SI company. Their small team is headquartered in Chicago, Illinois. Their services include cloud consulting & SI and Business Consulting.Read More
Industries
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209$1,000+10 - 49 employeesBelleville, ILBusiness Consulting company Konect360 was founded in 2016. The team focuses on Business Consulting and Marketing Strategy.Read More
Industries
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210Undisclosed2 - 9 employeesNaperville, ILLaunched in 2020, NB Business Consulting Group is a social media marketing agency. The team provides Social Media Marketing and Search Engine Optimization and is based in Naperville, Illinois.Read More
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