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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211$10,000+10 - 49 employeesBolingbrook, ILEstablished in 2020, Christian Banach is an Account-Based Marketing company. The team specializes in Account-Based Marketing and Sales Outsourcing.Read More
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212$1,000+50 - 249 employeesMorton Grove, ILThe Trademark Associates, a web development firm, is in Morton Grove, Illinois. Their services include Web Development and Business Consulting.Read More
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213$1,000+50 - 249 employeesChicago, ILIn Chicago, Illinois and Chicago, Illinois, Trademark Chase is an Intellectual Property Law company. They specialize in Intellectual Property Law and Business Consulting and were established in 2023.Read More
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214$25,000+2 - 9 employeesChicago, ILAnomali by Design is a small Digital Strategy company. Founded in 2022, the team offers Digital Strategy and Product Design.Read More
Industries
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215$1,000+2 - 9 employeesLibertyville, ILKFN Accounting & Financial LLC, an Accounting company, was launched in 2020. Headquartered in Chicago, Illinois and Libertyville, Illinois, the team specializes in Accounting and Business Consulting.Read More
Industries
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216$5,000+50 - 249 employeesChicago, ILLaunched in 2016, QA Outsource is a midsize IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
Industries
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217Undisclosed2 - 9 employeesBolingbrook, ILBillcare, a Back Office Outsourcing company, is in Bolingbrook, Illinois. Their services include Back Office Outsourcing and Business Consulting.Read More
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218$5,000+2 - 9 employeesChicago, ILSprk'd Digital Marketing is a Digital Strategy company. Located in Chicago, Illinois, the firm provides Digital Strategy and Content Marketing.Read More
Industries
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219$10,000+2 - 9 employeesLoves Park, ILFounded in 2020, Mighty Swarm is a web design company. Their team offers Web Design and Business Consulting.Read More
Industries
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220$25,000+2 - 9 employeesNaperville, ILVision Capital Management, an IT strategy consulting company, is located in Naperville, Illinois. The team specializes in IT strategy consulting and cloud consulting & SI.Read More
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221$5,000+2 - 9 employeesChicago, ILRead More
Smart Yeti is a marketing strategy company. The Chicago, Illinois-based firm was founded in 2015. The small team focuses on marketing strategy, digital strategy, content marketing, email marketing, and more.
Clients
Amata Law Office SuitesIndustries
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222$5,000+10 - 49 employeesElmwood Park, ILProfessional Wiki Help is an Advertising company. Launched in 2024, the company is based in Elmwood Park, Illinois. Their team specializes in Advertising and Market Research.Read More
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223Undisclosed2 - 9 employeesChicago, ILIron Horse Management Consultants is a small Business Consulting company in Chicago, Illinois. Their services include Business Consulting and unified communications consulting & SI.Read More
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224Undisclosed2 - 9 employeesBloomington, ILPerformance Growth Partners is a Business Consulting company founded in 2001. Their services include Business Consulting and Corporate Training & Coaching.Read More
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225Undisclosed2 - 9 employeesChicago, ILExecutive Leadership Support is a small Chicago, Illinois-based Business Consulting company. Their services include Business Consulting and Corporate Training & Coaching.Read More
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226$250,000+50 - 249 employeesChicago, ILHeadquartered in Chicago, Illinois, ForceIQ is a midsize cloud consulting & SI company. The team specializes in cloud consulting & SI and CRM consulting and SI.Read More
Industries
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227Undisclosed10 - 49 employeesChicago, ILMeridian Compensation Partners, LLC is a small Business Consulting and HR Consulting company based in Chicago, Illinois. Their services include Business Consulting and HR Consulting.Read More
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228Undisclosed10 - 49 employeesHomewood, ILSmall Business Consulting company iFranchise Group, is located in Homewood, Illinois and Irvine, California. The team specializes in Business Consulting and Marketing Strategy.Read More
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229Undisclosed10 - 49 employeesBartlett, ILROI Business Services, LLC is an Accounting and Business Consulting company. They offer Accounting and Business Consulting and are in Bartlett, Illinois.Read More
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230Undisclosed10 - 49 employeesAntioch, ILLaunched in 1964, James Hamlin & Co., P.C. Is a small Antioch, Illinois-based Accounting and Business Consulting company. Their team focuses on Accounting and Business Consulting.Read More
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231Undisclosed10 - 49 employeesChicago, ILH. G. JONES & ASSOCIATES, INC. Is a Corporate Training & Coaching and Business Consulting company. Launched in 2002, their team specializes in Corporate Training & Coaching and Business Consulting.Read More
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232Undisclosed10 - 49 employeesChicago, ILApplied Real Estate Analysis (AREA), Inc. Is a Chicago, Illinois-based Business Consulting company. The team offers Business Consulting and Commercial Development.Read More
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233Undisclosed10 - 49 employeesChicago, ILInQUEST Consulting is a small Business Consulting and Corporate Training & Coaching company established in 2011. Their services include Business Consulting and Corporate Training & Coaching.Read More
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234Undisclosed10 - 49 employeesSpringfield, ILREM Services, Inc. Is a Business Consulting and Staffing company. They are based in Houston, Texas and Springfield, Illinois, and their services include Business Consulting and Staffing.Read More
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235$1,000+50 - 249 employeesChicago, ILTrademark Leader is an Intellectual Property Law company. Launched in 2022, the firm is headquartered in Chicago, Illinois. Their services include Intellectual Property Law and Business Consulting.Read More
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236Undisclosed2 - 9 employeesEvanston, ILNEBULACLOUD is an other IT consulting and SI company founded in 2014. The agency specializes in other IT consulting and SI and IT managed services.Read More
Industries
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237Undisclosed10 - 49 employeesChicago, ILMarket Research company Springhill Consulting Group was founded in 2008. Located in Chicago, Illinois and Arlington, Virginia, the team offers Market Research and Marketing Strategy.Read More
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238$1,000+2 - 9 employeesChicago, ILSeekUp Strategies is a small Chicago, Illinois-based IT staff augmentation company. Their services include IT staff augmentation and Business Consulting.Read More
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239Undisclosed50 - 249 employeesNaperville, ILIn Naperville, Illinois, Prairie Consulting Services is a Business Consulting company. Founded in 1997, the team provides Business Consulting and HR Consulting.Read More
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240Undisclosed50 - 249 employeesChicago, ILM2 Property Group is a Business Consulting company located in Chicago, Illinois. They focus on Business Consulting and Commercial Brokerage Services and were founded in 2010.Read More
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