Our industry experts identified the leading software development companies in Illinois that build high-performance solutions. Explore the best developers in the table below and use the filter to choose the best fir for your budget and needs.

Best Illinois Software Development Firm Rankings

213 Companies - Rankings updated: September 04, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

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  • HIPAA Software Development

    Built By Engineers Who Understand Healthcare

    Built By Engineers Who Understand Healthcare

    HIPAA Software Development is a dedicated healthcare technology solution hub operated by Taction Software, focused on delivering secure, scalable, and fully compliant healthcare software solutions for organizations across the United States. Taction Software® (Taction Software LLC) is a registered U.S...

    Top Services:

    • Mobile App Development
    • Software Development
    • ERP Consulting
    • AI Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile

  • MazikUSA

    IT Support Designed To Scale With Your Business

    IT Support Designed To Scale With Your Business

    MazikUSA delivers tailored onsite and offsite IT support, staff augmentation, and end-to-end technology solutions designed to help organizations innovate and scale. We support clients through globally distributed delivery teams across the globe - ensuring scalable, cost-effective, and time-zone-aligned...

    Top Services:

    • Software Development
    • AI Development
    • IoT
    • IT Services
    • Cybersecurity
    • Show more
    Location
    Park Ridge, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • Dev Centre House Ireland

    The Enterprise Software Development Company

    The Enterprise Software Development Company

    Dev Centre House Ireland is a leading software development company in Ireland, delivering bespoke AI, web, mobile, and blockchain solutions across tech. Our local team and 100+ engineers help Norwegian enterprises build scalable, cutting-edge digital products...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Cloud Consulting
    • DevOps Consulting
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $29/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (3)

  • Mark 1 Custom Software

    Conquering Complexity With The Art Of Simplicity

    Conquering Complexity With The Art Of Simplicity

    We work with businesses to create fully customized apps and dashboards that make complex data easy to visualize. We remove paperwork, make inventory easy, and streamline processes, all while ensuring regulatory compliance...

    Top Services:

    • Software Development
    Location
    Mahomet, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    Under $1,000
    View Profile

  • WareGo

    The Leading Provider for Inventory & Warehouse Management Solutions

    The Leading Provider for Inventory & Warehouse Management Solutions

    WareGo is a leading provider of Warehouse Management Systems (WMS) and supply chain technology, dedicated to eradicating inventory chaos through intelligent automation...

    Top Services:

    • Software Development
    • IT Services
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (2)

  • Digitally Hatch

    Where Bold Ideas Meet Scalable Digital Growth.

    Where Bold Ideas Meet Scalable Digital Growth.

    Digitally Hatch is a full-service digital agency helping small and medium-sized businesses compete, grow, and scale online. We combine strategy, creativity, and technology to deliver solutions that actually move the needle from high-converting websites and mobile apps to performance marketing, branding, SEO...

    Top Services:

    • Web Development
    • eCommerce Development
    • Web Design
    • SEO
    • Digital Marketing
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
    View Profile

  • IT Impact, Inc.

    We Help Manufacturers Modernize Their Legacy Data Systems

    We Help Manufacturers Modernize Their Legacy Data Systems

    IT Impact, Inc. delivers custom database and software solutions using Microsoft technologies. Through its Access Experts division, the company specializes in Microsoft Access development, database repair, system upgrades, and migrations to SQL Server and cloud platforms...

    Top Services:

    • IT Services
    • Big Data Analytics
    • Software Development
    • Cloud Consulting
    • ERP Consulting
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $235/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile
    4.9 4.9 (30)

  • Erudite Apex Inc

    Intelligent Software Engineered For The Future

    Intelligent Software Engineered For The Future

    Erudite Apex builds AI-integrated, full-stack software solutions that help businesses automate workflows, enhance decision-making, and scale with confidence...

    Top Services:

    • Web Design
    • Web Development
    • AI Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Washburn, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    Under $1,000
    View Profile

  • Cepoch

    AI Solutions Driving Your Business Success

    AI Solutions Driving Your Business Success

    Cepoch is a North American AI and software services firm with over 20 years of experience, delivering intelligent solutions and building lasting partnerships across 300+ projects and 100+ clients...

    Top Services:

    • AI Development
    • Cybersecurity
    • Software Development
    • Mobile App Development
    • IT Services
    • Show more
    Location
    South Barrington, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (45)

  • 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...

    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 (30)

  • Hunter Creative Media & Design

    Hand-Coded Websites Built To Get You Found

    Hand-Coded Websites Built To Get You Found

    Hunter Creative Media & Design builds custom, hand-coded websites for small businesses in Aurora, Illinois and Chicago's western suburbs. No page builders, no templates: every site is designed from scratch, loads fast, and is structured to rank in local search. The studio pairs design with practical SEO...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • SEO
    • Software Development
    • Show more
    Location
    Aurora, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
    View Profile

  • Bounce Technologies

    Enterprise AI, Engineered To Bounce Back

    Enterprise AI, Engineered To Bounce Back

    Bounce Technologies is an enterprise AI development and technology company headquartered in Dubai, United Arab Emirates, with branch offices in Qatar and the United States. The company builds and deploys production-grade artificial intelligence, machine learning, computer vision, generative AI, and automation...

    Top Services:

    • Digital Services
    • Web Design
    • Web Development
    • Digital Marketing
    • eCommerce Development
    • Show more
    Location
    Illinois City, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    View Profile

  • Scott Labz, LLC

    Every Digital Experience Creates A Story

    Every Digital Experience Creates A Story

    Scott Labz LLC is an independent analytics and digital consultancy based in Bloomington-Normal, Illinois, working under a Measure, Build, Improve framework. Services span analytics implementation, data validation and reporting, custom web and application development, systems integration, and advertising...

    Top Services:

    • Digital Services
    • Digital Strategy
    • eCommerce Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Normal, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

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