Best Illinois IT Consulting Companies

52 Companies-Rankings updated: October 25, 2026
IT Consulting
Industry
Budget
Sort by: Avg Hourly Price: High to Low

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × Illinois × IT Consulting × Sort by: Avg Hourly Price: High to Low ×Clear Filters

  • Testmatick

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    Where Quality Meets Excellence in Software Testing

    Testmatick is a QA-only firm founded in 2009, offering 20+ testing types including manual, automated, penetration, and game testing. It maintains a library of 1,000+ physical devices. Best for software teams needing dedicated QA outsourcing with a risk-free pilot project option...

    Top Services:

    • Software Testing
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $14/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    9 Projects Listed
    Visit WebsiteView Profile
    DesignRush verified(3)4.6

  • Probey Services

    We help businesses in building Web, App, Software, and Adapting AI Solutions.

    Probey Services builds websites on WordPress and Shopify, iOS and Android apps, and web applications. The IT services firm has delivered 1,800+ projects across global markets. Best for small and mid-size businesses needing a cost-effective offshore development partner...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    94 Projects Listed
    View Profile
    DesignRush verified(110)5.0

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