BI and Big Data consulting firm specializing in data architecture, ETL processes, and analytics platform optimization.
Top Rated10+ YearsSmall Team
Data Engineering & AnalyticsThe Top 10
The absolute best in data engineering & analytics
Full-service data analytics consultancy providing BI, data engineering, and cloud solutions across multiple industries.
Top RatedGoogle PartnerAWS Partner+3 more
Data Engineering & AnalyticsData Engineering & Modern Data Stack
Business intelligence consultancy offering comprehensive big data solutions and systems integration services.
Top Rated10+ YearsSmall Team
Data Engineering & Analytics
AI and data engineering company building efficient data pipelines, modernizing platforms, and enabling rapid AI adoption.
Top RatedGoogle PartnerAWS Partner+3 more
Data Engineering & AnalyticsData Engineering & Modern Data Stack
A digital marketing and HubSpot consulting agency that helps businesses grow with data-driven strategies.
Top Rated
PPC & Performance MarketingData Engineering & Analytics
Boutique business analytics solutions company automating data-driven decision making for competitive advantage.
Top Rated10+ YearsMid-Size
Data Engineering & Analytics
Trusted data analytics firm specializing in full-stack implementations from data warehouses to interactive dashboards.
Top Rated5+ YearsBoutique
Data Engineering & Analytics
Data analytics and software development firm delivering BI consulting, data engineering, and AI-powered solutions for enterprises.
Top Rated10+ YearsSmall Team
Data Engineering & Analytics
Business intelligence company providing BI consulting, cloud solutions, and IT strategy services.
Top RatedGoogle PartnerAWS Partner+3 more
Data Engineering & Analytics
Global IT software development company offering data analytics, engineering, and outsourcing solutions.
Top RatedGoogle PartnerAWS Partner+3 more
Data Engineering & AnalyticsTop 10 Data Engineering & Analytics Agencies — FAQ
Common questions about the best data engineering & analytics agencies in Illinois.
Who is the #1 data engineering & analytics agency in Illinois in 2026?
As of 2026, the top-ranked data engineering & analytics agency in Illinois on AgencyCluster is Stellans, with an AgencyCluster Score of 98/100. 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 data engineering & analytics 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 data engineering & analytics. Only agencies with verified credentials are eligible, and rankings cannot be purchased. The agencies on this list average 15+ years of experience. For full methodology details, see our How We Rank page.
What should I look for when choosing a data engineering & analytics agency from this list?
Ask about their experience with your data stack (Snowflake, Databricks, BigQuery, dbt). Check if they can handle both pipeline engineering and analytics/BI. Ask about data quality practices — testing, monitoring, and documentation. For enterprise, ask about their experience with data governance and privacy compliance.
How much do the top data engineering & analytics agencies typically charge?
Data platform setup (warehouse + pipelines) costs $40K–$150K. BI and analytics layer implementation ranges from $25K–$100K. Ongoing data engineering support runs $10K–$30K/month.
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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