Best Illinois .Net Development Companies

80 Companies - Rankings updated: April 02, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

Sponsored
United States × Illinois ×

  • 606 Digital

    We bring clarity to complex business processes and projects.

    We bring clarity to complex business processes and projects.

    606 Digital is a Chicago-based consulting agency that focuses on client satisfaction through simple, elegant solutions. We pride ourselves in our ability to turn the most complex business requirements into intuitive software solutions, empowering our clients with the tools they need to seamlessly support and  [... view 606 Digital profile ]
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    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.  [... view CSW Solutions profile ]
    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)

  • Anomali by Design

    We Connect With People.

    We Connect With People.

    Strategic UX and design.Bespoke, multi-platform programs.Connection and engagement.Authentic storytelling and public relations.Leveraging our experience, humility, and values, Anomali by Design connects with peoplewherever they're at, agnostic of circumstance.  [... view Anomali By Design profile ]
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $180/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • Owl Digitech

    Owl Digitech - Your Digital Partner, Always on the Prowl.

    Owl Digitech - Your Digital Partner, Always on the Prowl.

    At Owl Digitech, Our dedicated team strives to help you accomplish your business goals through collaboration, creativity, and critical analysis. We help our clients through every step to ensure their success.  [... view Owl Digitech profile ]
    Location
    Lisle, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Portfolios Count
    10 Projects Listed
    View Profile
    5.0 5.0 (5)

  • Tech Admire

    Empowering Tomorrows Innovations Today

    Empowering Tomorrows Innovations Today

    At Tech Admire, we are more than just a company, we are a dynamic force of creativity, aspiration, and enthusiasm. Established to provide cutting edge services and IT solutions, Tech Admire brings together extensive experience and a dedicated team committed to driving growth and innovation in every project.  [... see all Tech Admire reviews ]
    Location
    Bartlett, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.3 4.3 (1)

  • TwinCore

    Transforms idea into the right software solution

    Transforms idea into the right software solution

    TwinCore - is a full-cycle software development company.  [... view TwinCore profile ]
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile

  • Devvela

    Transforming Digitally With Success

    Transforming Digitally With Success

    Devvela has been assisting businesses of various sizes and types to harness the power of technology since 2007. Our client base includes daring startups, local brick-and-mortars, as well as Fortune 100 enterprises.  [... view Devvela profile ]
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    5.0 5.0 (1)

  • Aqua Design Works

    Designing Digital Success, One Creative Pixel at a Time.

    Designing Digital Success, One Creative Pixel at a Time.

    We are your partner in digital success. We got your back, from creative logo, powerful websites, branding to digital marketing solutions. We help businesses elevate their online presence and help them connect with their audience effectively.Let's create, expand, and grow together!  [... view Aqua Design Works profile ]
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
    View Profile
    3.5 3.5 (30)

  • Soft Does

    Custom Software That Works in the Real World

    Custom Software That Works in the Real World

    SoftDoes builds custom software, AI, and web applications for mid-market companies that need enterprise-grade results without the overhead of an in-house team. U.S.-based leadership. Full IP ownership. No lock-in.  [... view Soft Does profile ]
    Location
    Chicago, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile

  • Hristov Development

    Expert Software Engineers.

    Expert Software Engineers.

    Our team of expert software engineers leads our clients through the product development process, laying out clear expectations and goals to hasten the product's time to market.  [... view Hristov Development profile ]
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile

  • 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.  [... view Opinov8 profile ]
    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)

  • 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.  [... view HIPAA Software Development profile ]
    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

  • iCareBilling

    Revolutionize Your Healthcare Practice.

    Revolutionize Your Healthcare Practice.

    iCareBilling is a private American Healthcare IT Company that provides Insurance Credentialing, Medical Billing and other services to the healthcare industry across the United States, integrating services with any EHR, Practice Management, or Medical Billing Software.  [... view ICareBilling profile ]
    Location
    Chicago, Illinois
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (6)

  • Pixel + Code Creative

    Bringing Pixels To Life & Code To Action.

    Bringing Pixels To Life & Code To Action.

    We build cost-effective, user-friendly WordPress websites and WooCommerce solutions designed for small business growth. Our search engine optimization (SEO) strategies ensure your site ranks well, helping you connect with more customers.  [... view Pixel + Code Creative profile ]
    Location
    Port Byron, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Portfolios Count
    1 Project Listed
    View Profile

  • Arccus

    Promising diverse capabilities

    Promising diverse capabilities

    Arccus is a leading digital agency delivering cutting-edge mobile apps, responsive websites, custom ERP solutions, and AI-driven automation. We partner with startups, enterprises, and governments to design and build scalable, smart technology that drives growth and digital transformation.  [... view Arccus profile ]
    Location
    Naperville, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • 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.  [... view Digital Cyber Nation profile ]
    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

  • 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. profile ]
    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)

  • Frantic Infotech

    Mobile App Development Service in India & USA | App Software Development Company

    Mobile App Development Service in India & USA | App Software Development Company

    The frantic Infotech building trust, developing applications, & on-demand apps putting forward the demands of customers and customizing with their necessities.  [... view Frantic Infotech profile ]
    Location
    Chicago, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $500/hr
    Minimal Budget
    $10,000 - $25,000
    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.  [... view TekReboot profile ]
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Creative Design Venture

    Digital Innovation For The Digital Age

    Digital Innovation For The Digital Age

    Creative Design Venture is a digital agency specializing in innovative web solutions and executive digital marketing services so that our valuable clientele and their businesses can have a strong online presence.  [... view Creative Design Venture profile ]
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile

  • 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 Profusion Systems profile ]
    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)

  • Enterprise 360 Solutions

    Web Design Software Development & Digital Marketing.

    Web Design Software Development & Digital Marketing.

    Enterprise 360, we are a creative team specialize in creating results driven web and digital solutions from impressive websites, software and mobile app development, e-commerce, content management and branding solutions.  [... view Enterprise 360 Solutions profile ]
    Location
    Schaumburg, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • 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.  [... view Codiantix profile ]
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $5/hr
    Minimal Budget
    Under $1,000
    View Profile

  • Taction Software

    Global IT & Software Solution Company

    Global IT & Software Solution Company

    We have extensive global resources, deep industry, business process, and technological expertise, as well as a track record of producing uplifting success tales for businesses all over the world.  [... view Taction Software profile ]
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    5.0 5.0 (21)

  • 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 LN Solutions profile ]
    Location
    Schaumburg, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    View Profile
    5.0 5.0 (1)

  • Noboxidea

    Crafting Digital Echoes.

    Crafting Digital Echoes.

    Nobox Idea delivers exceptional digital solutions with a focus on web design, development, and maintenance. Our services extend to custom software and app development, ensuring tailored solutions for your needs. We specialize in SEO to enhance your online visibility and offer strategic social media marketing  [... view Noboxidea profile ]
    Location
    Naperville, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
    View Profile

  • AlgoRepublic

    Our expertise makes a positive impact to your business

    Our expertise makes a positive impact to your business

    AlgoRepublic offers comprehensive business automation, product development, and software/web development services to clients globally. Our expertise ensures innovative and efficient solutions tailored to meet the diverse needs of businesses worldwide.  [... see all AlgoRepublic reviews ]
    Location
    Chicago, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.3 4.3 (1)
    4.8 4.8 (18)

  • 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 Frugalnova Innovation profile ]
    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)

  • EnlightVision Technologies Pvt. Ltd

    Premier Tech Solutions

    Premier Tech Solutions

    EnlightVision is the partner of choice for many of the worlds leading enterprises, SMEs, and technology innovators. We elevate businesses through custom software development, product design, QA, and consultancy services. Our commitment is to deliver cutting-edge solutions tailored to your unique needs.  [... view EnlightVision Technologies Pvt. Ltd profile ]
    Location
    St. Charles, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    View Profile

Related Services in Illinois

Related Software Development Specializations in Illinois

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.

Latest Trends Related to .Net Development

Questions To Ask a Software Development Agency
Software Development

10 Questions To Ask a Software Development Agency Before Hiring

1,731
In-House vs. Outsourcing Software Development
Software Development

In-House vs. Outsourcing Software Development: What to Choose for Your Company

1,999
How To Plan a Software Development Budget
Software Development

How To Plan a Software Development Budget That Actually Works

2,326