Best Illinois IT Outsourcing Companies

60 Companies - Rankings updated: July 25, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

United States × Illinois ×

  • Sketch Development Services

    Build it. Run it. Own it.

    Build it. Run it. Own it.

    Sketch Development builds AI-enabled custom software and provides AWS cloud and Atlassian services for Fortune 500 companies and SMBs. Its team ships working software every two weeks with no change orders. The IT services agency is best for tech teams needing agile delivery and hands-on consulting...  View all reviews

    Top Services:

    • Software Development
    • Cloud Consulting
    • UI/UX Design
    • eCommerce Development
    • DevOps Consulting
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
    View Profile
    4.8 4.8 (8)

  • Profusion Systems

    Turning Ideas Into Apps | Your Vision, Our Innovation

    Turning Ideas Into Apps | Your Vision, Our Innovation

    Profusion Systems is a leading mobile application and software development agency that turns creative concepts into innovative, user-friendly solutions. Founded in 2012, the agency specializes in custom software, cloud migration, and chatbot development, catering to mid and large-sized businesses. With a...  View all reviews

    Top Services:

    • Software Development
    • Cloud Consulting
    • Mobile App Development
    • Web Development
    • Software Testing
    • Show more
    Location
    Downers Grove, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (4)

  • SumnerOne

    Your Success is Our Success.

    Your Success is Our Success.

    Welcome to the one place where everything works...  View all reviews

    Top Services:

    • IT Services
    • Cybersecurity
    • Managed Services
    • Cloud Consulting
    • Show more
    Location
    Bloomington, Illinois
    Number of Employees
    250 - 499
    View Profile
    5.0 5.0 (7)

  • Sourceved Technologies Pvt Ltd.

    Top Sitecore Solutions Provider

    Top Sitecore Solutions Provider

    We embrace digital transformation through customer centric tactical results unleashing as a digital innovation agency.Sourceved is providing enterprise cms based solution which includes Sitecore , Umbraco , EpiServer , SiteFinity , Drupal and WordPress for all industries...  View Sourceved Technologies Pvt Ltd.'s portfolio  |  View all reviews

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • AI Development
    • Show more
    Location
    Naperville, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    View Profile
    4.7 4.7 (34)

  • TekReboot

    Refine, Re-innovate, Rediscover with TekReboot

    Refine, Re-innovate, Rediscover with TekReboot

    Delegate your business solution development to our trusted experts in the field of IT services, Software (full-stack) development, Web design, App design, and Digital marketing...  View TekReboot profile

    Top Services:

    • Digital Services
    • Web Development
    • Software Development
    • Mobile App Development
    • Web Design
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • LN Solutions

    Building Digital Growth.

    Building Digital Growth.

    At LN Solutions , our mission is simple: to empower businesses with the tools and strategies they need to succeed online. Whether it's creating stunning websites, implementing effective digital marketing campaigns, or developing custom software solutions, we are here to help our clients achieve their goals...  View all reviews

    Top Services:

    • Digital Services
    • Web Development
    • Social Media Marketing
    • eCommerce
    • AI Development
    • Show more
    Location
    Schaumburg, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    View Profile
    5.0 5.0 (1)

  • Ruteappz

    Equipped For Every Good Work.

    Equipped For Every Good Work.

    Ruteappz is an IT consulting and software development company dedicated to creating and transforming products, services, and enterprises. Our goal is to drive business growth both today and in the future by leveraging innovative solutions and cutting-edge technology...  View Ruteappz's portfolio

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Digital Marketing
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile

  • Desire InfoWeb Pvt. Ltd

    Certified Microsoft Partner

    Certified Microsoft Partner

    DesireInfoWeb is a Microsoft-focused consulting and technology services company that helps organizations improve productivity, collaboration, and digital transformation through AI and Microsoft 365 solutions...  View all reviews

    Top Services:

    • Web Development
    • eCommerce Development
    • SEO
    • Digital Marketing
    • Social Media Marketing
    • Show more
    Location
    Elgin, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    View Profile
    4.6 4.6 (27)

  • Frugalnova Innovation

    Frugalnova - Crafting Smarter Software, Apps, and Innovations for All Platforms!

    Frugalnova - Crafting Smarter Software, Apps, and Innovations for All Platforms!

    Frugalnova is a leading software development company specializing in creating innovative solutions for businesses worldwide. We excel in mobile app development, iOS and Windows apps, web platforms, and cutting-edge technology solutions. Our expert team blends creativity and technical expertise to deliver...  View all reviews

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Web Design
    • Show more
    Location
    Mount Vernon, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    View Profile
    3.5 3.5 (4)

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About The Author and Expert Reviewer

Content Specialist

selina@designrush.com

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

spotlight@designrush.com

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.

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