TOP 25 LIST2026

Top 25 Data Engineering & Analytics Agencies in Illinois (2026)

The best data engineering & analytics agencies in Illinois, curated by AgencyCluster.

16 verified agencies
15+ years avg. experience
Updated
View List

Agencies 11–25

Strong contenders and rising stars

Extended List
Prime TSR
Illinois·Boutique·13+ yrs·Score: 80

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

Top Rated10+ YearsBoutique
Data Engineering & Analytics
Protiviti
Illinois·Enterprise·24+ yrs·Score: 80

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
PSM Partners
Illinois·Mid-Size·12+ yrs·Score: 63

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

Rising Star10+ YearsMid-Size
Data Engineering & AnalyticsCybersecurity Services
OneSix
Illinois·Small Team·8+ yrs·Score: 38

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

5+ YearsSmall Team
Data Engineering & AnalyticsBusiness Intelligence Consulting
Chetu
Florida·Enterprise·26+ yrs

Empowering Business Innovation through Custom AI and Digital Transformation Solutions

15+ YearsEnterprise
AI/ML DevelopmentCloud Migration & Modernization

Complete Top 25 Data Engineering & Analytics Agencies in Illinois

Full numbered list of all 16 agencies

Show list
  1. 1.
    StellansIllinois
  2. 2.
    Analytics8Illinois
  3. 3.
    Massive InsightsIllinois
  4. 4.
    SigmoidNew Jersey
  5. 5.
  6. 6.
    Kavi GlobalIllinois
  7. 7.
  8. 8.
    TactionIllinois
  9. 9.
  10. 10.
    Beyond KeyIllinois
  11. 11.
    Prime TSRIllinois
  12. 12.
    ProtivitiIllinois
  13. 13.
    PSM PartnersIllinois
  14. 14.
    OneSixIllinois
  15. 15.
    ChetuFlorida
  16. 16.
    EmpatIllinois

Top 25 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 25 data engineering & analytics agencies in Illinois selected?

This list features 16 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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