Global professional services firm offering BI strategy, data analytics, AI-driven insights, and enterprise data management consulting.
Top Rated15+ YearsEnterprise
Business Intelligence ConsultingTOP 10 LIST•2026
Top 10 Business Intelligence Consulting Agencies in Illinois (2026)
The best business intelligence consulting agencies in Illinois, curated by AgencyCluster.
10 verified agencies
56+ years avg. experience
Updated
The Top 10
The absolute best in business intelligence consulting
Global professional services firm providing BI modernization, data-driven decision platforms, analytics consulting, and AI integration services.
Top Rated15+ YearsEnterprise
Business Intelligence Consulting
Global professional services firm delivering data-driven insights, BI transformation, analytics strategy, and AI-powered business intelligence.
Top Rated15+ YearsEnterprise
Business Intelligence Consulting
Global business advisory firm offering data analytics, technology consulting, forensic analytics, economic intelligence, and BI-driven risk solutions.
Top Rated15+ YearsEnterprise
Business Intelligence Consulting
Microsoft solutions integrator specializing in Power BI implementations, data analytics, Azure cloud BI, and enterprise analytics consulting.
Top Rated15+ YearsLarge Team
Business Intelligence Consulting
National professional services firm providing data engineering services including migration, cloud warehousing, and analytics consulting.
Top RatedMicrosoft PartnerSalesforce Partner+2 more
Data Engineering & Modern Data StackBusiness Intelligence Consulting
Digital consulting arm of BDO USA offering data analytics, BI strategy, Tableau/Power BI consulting, and data-driven business transformation.
Top Rated15+ YearsEnterprise
Business Intelligence ConsultingSRE Services
Professional services firm offering data analytics, BI strategy, dashboard development, data governance, and technology-driven business insights.
Top Rated15+ YearsEnterprise
Business Intelligence Consulting
Global consulting firm providing enterprise data, analytics, AI, and advanced analytics strategies with modern data foundations.
Top Rated15+ YearsEnterprise
Data Engineering & AnalyticsApp Modernization & Legacy Migration
Public accounting and consulting firm delivering data analytics, BI dashboards, performance management, and data-driven strategic advisory services.
Top Rated15+ YearsEnterprise
Business Intelligence ConsultingTop 10 Business Intelligence Consulting Agencies — FAQ
Common questions about the best business intelligence consulting agencies in Illinois.
Who is the #1 business intelligence consulting agency in Illinois in 2026?
As of 2026, the top-ranked business intelligence consulting agency in Illinois on AgencyCluster is EY (Ernst & Young), with an AgencyCluster Score of 100/100. Rankings are based on verified evidence across credibility, proof of work, reputation, category specialization, delivery maturity, and freshness. Rankings are updated periodically as new evidence becomes available.
How were the top 10 business intelligence consulting agencies in Illinois selected?
This list features 10 agencies selected from AgencyCluster's curated directory. Each agency was evaluated using the AgencyCluster Score (0–100), with particular weight on demonstrated expertise in business intelligence consulting. Only agencies with verified credentials are eligible, and rankings cannot be purchased. The agencies on this list average 56+ years of experience. For full methodology details, see our How We Rank page.
What should I look for when choosing a business intelligence consulting agency from this list?
Ask for case studies with measurable outcomes relevant to your specific project. Check team composition — do they have specialists or generalists? Ask about their communication cadence and project management approach. Request client references from companies of similar size and complexity to yours.
How much do the top business intelligence consulting agencies typically charge?
Project costs vary significantly based on complexity, team size, and engagement model. Request proposals from 3–5 agencies to benchmark pricing. Be cautious of quotes that are dramatically lower than others — they usually indicate corners being cut.
Trusted Rankings
Every agency on this list has been reviewed by our editorial team. Rankings are based on our transparent methodology which evaluates credibility, outcomes, and reputation.
No paid rankingsVerified credentialsUpdated regularly
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