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

176 Companies - Rankings updated: September 03, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

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  • Breakthrough Technologies

    The Superior Software Solutions Partner

    The Superior Software Solutions Partner

    Breakthrough's approach to software solutions is centered around discovery, transparency, and collaboration with clients, resulting in robust and user-friendly products that reflect and reinforce an organization's brand...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Web Design
    • Show more
    Location
    Evanston, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (1)

  • Vélan Solutions

    Your Local Digital Partner For Custom Software Solutions.

    Your Local Digital Partner For Custom Software Solutions.

    Vélan Solutions is a team of talented software developers dedicated to helping businesses meet their custom software requirements. They specialize in developing mobile applications and progressive web apps and offer fully functional prototypes for free to validate concepts...

    Top Services:

    • IoT
    • Software Development
    • Mobile App Development
    • IT Services
    • Web Development
    • Show more
    Location
    Schaumburg, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • CSW Solutions

    Cutting-Edge Cloud & Software Solutions

    Cutting-Edge Cloud & Software Solutions

    CSW Solutions specializes in cutting-edge Microsoft technologies, helping businesses adopt and integrate these technologies. Our management solutions and services tackle evolving business issues, empowering you to model your business for future expansion...

    Top Services:

    • Software Development
    • Web Development
    • eCommerce Development
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (3)

  • Denovo Studios

    Legacy software modernization and custom software development for manufacturers.

    Legacy software modernization and custom software development for manufacturers.

    Denovo Studios is a legacy software modernization and custom software development company for manufacturers, founded by a manufacturing engineer. We lead with process, not technology, to eliminate inefficiencies and deliver measurable operational results...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • Engineering
    • Show more
    Location
    Park Ridge, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (5)

  • Loadsys Solutions

    Chicago-Based Awarded Web Development Firm

    Chicago-Based Awarded Web Development Firm

    React, Node.js, PHP, and React Native for cross-platform mobile development are our main technologies. We have extensive knowledge of almost all of Amazon Web Services' features, including AWS Fargate, AWS Lambdas, and many others...

    Top Services:

    • Software Development
    • Mobile App Development
    • Blockchain
    • Cloud Consulting
    • Web Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • FIRMINIQ

    Transforming Healthcare Through Innovative Software Solutions

    Transforming Healthcare Through Innovative Software Solutions

    FIRMINIQ is a trusted software product development company that specializes in connected health. Our deep technical expertise and customer-centric focus have helped us successfully deliver cloud and mobile applications generating over $1 billion in revenue for our clients...

    Top Services:

    • Cloud Consulting
    • Software Development
    Location
    Rolling Meadows, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $50,000 & Up
    View Profile

  • DataMade

    Let data narrate your story!

    Let data narrate your story!

    DataMade, a Chicago-based civic technology firm, recognizes that while data can be readily available, comprehending it can be challenging. With this in mind, we specialize in translating complex data into straightforward, appealing, and actionable websites...

    Top Services:

    • Software Development
    • Business Consulting
    • UI/UX Design
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Improving

    Leading Technology Partner Fortune 500 Enterprises Trust to Build, Modernize, and Scale Globally

    Leading Technology Partner Fortune 500 Enterprises Trust to Build, Modernize, and Scale Globally

    With 2,500+ consultants across the US, Canada, Latin America, and India, Improving puts experienced technologists in your market, not just on your project. Our teams understand the regulatory landscape, industry norms, and technical expectations of the markets you serve...

    Top Services:

    • IT Services
    • Software Development
    • Cloud Consulting
    • DevOps Consulting
    • Managed Services
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    4.7 4.7 (49)

  • Nerdery Agency

    Time to Thrive

    Time to Thrive

    Nerdery is a digital business consultancy that operates at the forefront of strategy, design and technology, helping clients succeed. Going beyond traditional consulting, consider us your allies in your digital journey...

    Top Services:

    • Software Development
    Location
    Chicago, Illinois
    Number of Employees
    500 - 999
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $50,000 & Up
    View Profile
    4.5 4.5 (83)

  • Sanai

    For A Focused, Tailored To Perfection Solutions For You, For Us It Is You Who Really Matter.

    For A Focused, Tailored To Perfection Solutions For You, For Us It Is You Who Really Matter.

    Sanai is a chicago based American web development, software development, Social Media Marketing and SEO consultancy company who provide focused and tailored made solutions especially designed for you...

    Top Services:

    • Software Development
    • Branding
    • Web Development
    • Mobile App Development
    • Digital Marketing
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • LTS - Leo Technosoft

    Excellence Unleashed: Offshore Development at its Finest

    Excellence Unleashed: Offshore Development at its Finest

    Leo Technosoft (LTS), the top offshore development firm, offers affordable, scalable, and flexible IT services. With over 14 years of industry expertise, LTS excels in Product Development, Mobility, Solution Engineering, IoT, and Business Intelligence services. Through the LTS Accelerator model, we support...

    Top Services:

    • Mobile App Development
    • Cybersecurity
    • UI/UX Design
    • Software Development
    • IoT
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
    View Profile

  • SoftServe, Inc.

    Technology Elevated

    Technology Elevated

    We are advisors, engineers, and designers solving business challenges with innovative technology solutions...

    Top Services:

    • Software Development
    • IoT
    • DevOps Consulting
    • Cybersecurity
    • Big Data Analytics
    • Show more
    Location
    Rosemont, Illinois
    Number of Employees
    1000 & Up
    View Profile
    5.0 5.0 (12)

  • Engineering Industries eXcellence

    Engineering Tomorrow, Integrating Today.

    Engineering Tomorrow, Integrating Today.

    Engineering Industries eXcellence (Engineering IndX) is the driving force of digital transformation in the industry. As an eminent division of the globally recognized Engineering Group, our role as system integrators shapes tomorrow's world...

    Top Services:

    • IT Services
    • Software Development
    • Mobile App Development
    Location
    Chicago, Illinois
    Number of Employees
    1000 & Up
    Portfolios Count
    3 Projects Listed
    View Profile
    4.2 4.2 (11)

  • ITExpertUS

    Your Proven IT Partner

    Your Proven IT Partner

    ITExpertUS Inc. a high-performance global software solution company, was established in the year 2017 Headquartered in Chicago IL USA, located globally with onsite and offshore development centers in Chicago, Mohali and Bangalore in India and strategic sales centers in Singapore, Malaysia, Dubai and Toronto...

    Top Services:

    • Mobile App Development
    • Software Development
    • Digital Marketing
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Schaumburg, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.1 4.1 (14)

  • Stretch PR LLC

    From end to end: Strategies. Goals. Results.

    From end to end: Strategies. Goals. Results.

    At Stretch PR, we set goals and we achieve them stretching to deliver results beyond expectations. We do this by developing creative strategies that garner attention, setting goals, executing flawlessly and measuring results...

    Top Services:

    • Digital Marketing
    • Content Marketing
    • Social Media Marketing
    • Public Relations
    • Video Production
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • 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...

    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

  • CodingCops

    Your AI-Native Technology Partner

    Your AI-Native Technology Partner

    CodingCops is an AI-native technology and engineering partner specializing in AI development, vetted engineering talent, Salesforce, product & software development, and cloud & DevOps...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • DevOps Consulting
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile
    4.3 4.3 (15)

  • Opinov8

    Globally Recognized Digital and Engineering Solutions Partner.

    Globally Recognized Digital and Engineering Solutions Partner.

    Named Best AI Company and Software Development Company by The Netty Awards, Opinov8 is a global technology firm with development hubs across the United States, Europe, and Egypt...

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Web Development
    • Big Data Analytics
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $42/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed
    View Profile
    5.0 5.0 (6)

  • AppCrops

    Turning Ideas Into Interactive Apps

    Turning Ideas Into Interactive Apps

    AppCrops is a next-gen technology partner delivering end-to-end digital solutions for startups and enterprises. From interactive user-friendly iOS, Android or Custom Mobile applications to Web apps, ERP systems and custom software, we help transform ideas into high-performing digital products...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
    View Profile
    5.0 5.0 (3)

  • Digital Cyber Nation

    Empowering Ideas, Elevating Businesses.

    Empowering Ideas, Elevating Businesses.

    Digital Cyber Nation (DCN) is your one-stop solution for all things digital, offering services from logo design to advanced software development. We blend creativity, technology, and innovation to deliver customized solutions for businesses worldwide...

    Top Services:

    • Graphic Design
    • Logo Design
    • Branding
    • Web Design
    • Web Development
    • Show more
    Location
    Aurora, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile

  • Sketch Development Services

    Verified Verified by the DesignRush team for authenticity and credibility.
    Build it. Run it. Own it.

    Build it. Run it. Own it.

    Sketch delivers AI-enabled custom software and DevOps via a subscription model with two-week delivery cycles, citing zero missed deadlines. Its team serves Fortune 500 clients and is best suited for product teams needing a transparent, agile dev partner without long-term contracts...

    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)

  • Pennine Technolabs

    Transforming Visions Into Tech Realities

    Transforming Visions Into Tech Realities

    Pennine Technolabs is a fast-growing web and app development company serving in USA and worldwide. We build modern digital solutions to help businesses succeed. With a commitment to excellence, our expert developers and designers use the latest technologies to deliver user-focused results...

    Top Services:

    • Web Development
    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • Software Development
    • Show more
    Location
    Streamwood, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (12)

  • Debut Infotech

    Verified Verified by the DesignRush team for authenticity and credibility.
    AI-Powered Innovation, Delivered

    AI-Powered Innovation, Delivered

    Debut Infotech is a leader in advanced technological solutions, specializing in AI, Blockchain, Smart Contracts, IoT, and mobile and web development...

    Top Services:

    • AI Development
    • Web Development
    • Blockchain
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Springfield, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    17 Projects Listed
    View Profile
    5.0 5.0 (17)

  • Codiantix

    Designing Digital Experiences Developing Future-Ready Solutions

    Designing Digital Experiences Developing Future-Ready Solutions

    Codiantix is a software and creative agency delivering next-generation digital solutions from custom websites and mobile apps to full-stack software systems and UI/UX design. We help startups and enterprises scale with technology that performs...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $5/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
    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)

  • Blitz Mobile Apps

    Helping Businesses Grow Faster Digitally

    Helping Businesses Grow Faster Digitally

    Blitz Mobile Apps has led the paradigm shift in digital revolution since 2005, using cutting-edge technology to help entrepreneurs, innovators & enterprises bridge the gap between the myriad challenges of todays dynamic markets and the rapidly evolving technology needed to overcome them. With the right blend...

    Top Services:

    • Mobile App Development
    • Software Development
    • Blockchain
    Location
    Naperville, Illinois
    Number of Employees
    500 - 999
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    13 Projects Listed
    View Profile
    2.3 2.3 (1)
    3.9 3.9 (13)

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