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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481Undisclosed2 - 9 employeesChicago, ILPragmatium Consulting Group, Inc. Is a Business Consulting company headquartered in Chicago, Illinois. They provide Business Consulting and were established in 1994.Read More
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482Undisclosed2 - 9 employeesJoliet, ILNemanich Consulting & Management, Inc. Is a small Business Consulting company launched in 1991. Their team specializes in Business Consulting.Read More
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483Undisclosed2 - 9 employeesArlington Heights, ILHughes Management & Consulting Corp. Is a Business Consulting company in Arlington Heights, Illinois. They focus on Business Consulting.Read More
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484Undisclosed2 - 9 employeesNorthbrook, ILBusiness Consulting company SOGID™ Management Consultants is in Northbrook, Illinois. Founded in 2013, the team focuses on Business Consulting.Read More
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485Undisclosed2 - 9 employeesWheaton, ILDot to Dot Management Consulting, Inc. Is a Business Consulting company. Founded in 2010, their team offers Business Consulting.Read More
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486Undisclosed10 - 49 employeesDowners Grove, ILSAVVY Technology Solutions is a Business Consulting company. The team provides Business Consulting and is headquartered in Downers Grove, Illinois.Read More
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487Undisclosed2 - 9 employeesOak Park, ILAEGA Consulting Services, a Business Consulting company, is located in Oak Park, Illinois. Founded in 2017, the team focuses on Business Consulting.Read More
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488Undisclosed2 - 9 employeesNiles, ILHallberg Management Consulting, LLC is a Business Consulting company. Located in Niles, Illinois, their team offers Business Consulting.Read More
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489Undisclosed10 - 49 employeesOak Brook, ILSpirit Consulting, a Business Consulting company, focuses on Business Consulting. The agency is in Oak Brook, Illinois.Read More
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490Undisclosed10 - 49 employeesSavoy, ILIn Savoy, Illinois, Centrec Consulting Group is a Business Consulting company. The team specializes in Business Consulting.Read More
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491Undisclosed2 - 9 employeesPekin, ILHaynes Management Company Llc is a small Business Consulting company located in Pekin, Illinois. Their services include Business Consulting.Read More
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492Undisclosed2 - 9 employeesNorth Riverside, ILGear Up Consulting is a Business Consulting company headquartered in North Riverside, Illinois. They provide Business Consulting.Read More
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493Undisclosed2 - 9 employeesMacomb, ILSash Consulting Services is a small Macomb, Illinois-based Business Consulting company. The team provides Business Consulting.Read More
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494Undisclosed10 - 49 employeesChicago, ILColeman Group Consulting is a Business Consulting company located in Chicago, Illinois. Launched in 2004, the team focuses on Business Consulting.Read More
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495Undisclosed2 - 9 employeesRockford, ILAviation Management Consulting, Inc., a Business Consulting company, was founded in 1992. They provides Business Consulting.Read More
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496Undisclosed2 - 9 employeesRolling Meadows, ILMart Consulting Company, a small Business Consulting company, is based in Rolling Meadows, Illinois. Their services include Business Consulting.Read More
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497Undisclosed2 - 9 employeesEvanston, ILStrategic Talent Management Consultants is a Business Consulting company headquartered in Evanston, Illinois. Their services include Business Consulting.Read More
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498Undisclosed50 - 249 employeesChicago, ILKaufman Hall is a Business Consulting company based in Chicago, Illinois. They specialize in Business Consulting.Read More
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499Undisclosed2 - 9 employeesChicago, ILMillan Chicago, a Business Consulting company, is headquartered in Chicago, Illinois. Established in 2018, the team focuses on Business Consulting.Read More
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500Undisclosed10 - 49 employeesChicago, ILLotis Blue Consulting, a Business Consulting company, specializes in Business Consulting. The firm is based in Chicago, Illinois.Read More
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501Undisclosed10 - 49 employeesChicago, ILSmall Business Consulting company Tenet Consulting, is based in Chicago, Illinois. Their services include Business Consulting.Read More
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502Undisclosed2 - 9 employeesChicago, ILSIM Advisory is a Business Consulting company established in 2018. Their team offers Business Consulting.Read More
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503Undisclosed50 - 249 employeesLisle, ILLaunched in 2018, Optivent Group Inc. Is a custom software development company. The team focuses on Custom Software Development and cloud consulting & SI.Read More
Industries
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504$1,000+2 - 9 employeesPalatine, ILHanis Consulting, Inc. Is an Environmental Consulting company headquartered in Palatine, Illinois. They specialize in Environmental Consulting and Business Consulting and were launched in 2016.Read More
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505Undisclosed2 - 9 employeesSpringfield, ILIn Springfield, Illinois, HPR Marketing Group is a small Email Marketing company. Their services include Email Marketing and Graphic Design.Read More
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506Undisclosed2 - 9 employeesSpringfield, ILKB Computer Consulting, Inc. Is an IT managed services company. The team focuses on IT managed services and Business Consulting and is headquartered in Springfield, Illinois.Read More
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507Undisclosed2 - 9 employeesGrandview, ILSmall Business Consulting company Springfield IL SEO, is headquartered in Grandview, Illinois. Their services include Business Consulting and Marketing Strategy.Read More
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508Undisclosed2 - 9 employeesBolingbrook, ILEberhart Accounting Services is a small Accounting company located in Bolingbrook, Illinois. Their services include Accounting and Business Consulting.Read More
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509Undisclosed2 - 9 employeesPeoria, ILSupreme Accounting & Tax Services, Inc is a small Accounting company headquartered in Peoria, Illinois. The team focuses on Accounting and Business Consulting.Read More
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510Undisclosed2 - 9 employeesNaperville, ILSunshine is an Accounting company. The small Naperville, Illinois-based team focuses on Accounting and Business Consulting. The company was established in 1999.Read More
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