Top 10 Data Engineering & Analytics Agencies in Illinois (2026)

#1Protiviti

Illinois·Enterprise·24+ yrs·Score: 98

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Global consulting firm providing enterprise data, analytics, AI, and advanced analytics strategies with modern data foundations.

#2Stellans

Illinois·Small Team·11+ yrs·Score: 98

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BI and Big Data consulting firm specializing in data architecture, ETL processes, and analytics platform optimization.

#3Analytics8

Illinois·Small Team·24+ yrs·Score: 93

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Full-service data analytics consultancy providing BI, data engineering, and cloud solutions across multiple industries.

#4Massive Insights

Illinois·Boutique·10+ yrs·Score: 86

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Business intelligence consultancy offering comprehensive big data solutions and systems integration services.

#5Digital Authority Partners

Illinois·Score: 83

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A digital marketing and HubSpot consulting agency that helps businesses grow with data-driven strategies.

#6Kavi Global

Illinois·Boutique·14+ yrs·Score: 83

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Boutique business analytics solutions company automating data-driven decision making for competitive advantage.

#7OneSix

Illinois·Small Team·8+ yrs·Score: 83

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Data and AI consultancy helping businesses build strategy, technology, and teams for scalable growth and efficiency.

#8PSM Partners

Illinois·Mid-Size·16+ yrs·Score: 83

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IT consulting firm providing data and analytics strategy, modern platforms, and enterprise data services.

#9Prime TSR

Illinois·Small Team·13+ yrs·Score: 83

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Boutique technology consultancy offering BI, big data consulting, custom software, and cloud solutions.

#10South Shore Analytics

Illinois·Boutique·9+ yrs·Score: 83

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Trusted data analytics firm specializing in full-stack implementations from data warehouses to interactive dashboards.