Top Software Development Companies in Illinois

Discover top software development companies in Illinois. Compare reviewed agencies, portfolios, pricing, and services to hire the best Software Developers for your project.
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4.9 out of 5, based on 251 real reviews.
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SelectedFirms reviews agencies and verifies client feedback to support informed decisions. Featured placements may compensate us.

Explore Reviewed Software Development Companies in Illinois — Find Skilled Software Developers for Your Project

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

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6

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

6

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 50% Software Development

  • 50% Artificial Intelligence

simpler, faster, and more customized than ever before

Ticomix is a U.S.-based software development company helping ambitious organizations build modern, intelligent applications that drive measurable business results. With 25+ years of experience, we specialize in legacy system modernization, AI integration, and custom software engineering designed for long-term scalability and performance. We are experts in migrating legacy technologies such as FoxPro, VB6, and Delphi into secure, cloud-ready platforms, ensuring continuity while unlocking new capabilities. Our team also designs AI agents and intelligent automation solutions that streamline workflows and enhance decision-making. From greenfield development to complex system upgrades, we deliver fixed-fee projects through a transparent, collaborative process that keeps stakeholders informed and in control. At Ticomix, we combine technical depth with practical business insight to transform outdated systems into future-ready digital solutions—helping companies innovate confidently and compete at scale.

View Ticomix Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Loves Park, USA

Location

6

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

6

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
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Expertise Distribution (%)
  • 50% Software Development

  • 30% Cloud Computing Services

  • 20% Product Engineering services

Digital Product Agency

Tandem is a software product engineering and UX consultancy focused on MVP development, design proof of concepts, and enterprise digital product innovation services. The company helps startups and enterprises validate software ideas through user research, interactive prototypes, and scalable cloud-native engineering methodologies. Tandem supports healthcare, fintech, education, and SaaS sectors with mobile application development, product strategy consulting, and digital transformation expertise. Their multidisciplinary teams emphasize rapid experimentation, technical scalability, and customer-focused innovation to reduce development risks and accelerate product delivery timelines.

View Tandem Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Chicago, USA

Location

5

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

5

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
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Expertise Distribution (%)
  • 40% Software Development

  • 50% Ecommerce Development

  • 10% Digital Transformation

Success in Motion

Aleysian is a digital transformation and cloud consulting firm helping organizations adopt, integrate, and optimize modern technology ecosystems. We partner with leading platforms such as Salesforce and Salsify to deliver scalable, data-driven solutions that reduce risk and accelerate time-to-value. Our team of experienced consultants provides end-to-end services—from executive strategy and roadmap planning to technical architecture, implementation, integration, and ongoing support. We focus on aligning technology with business goals to improve efficiency, enhance customer experiences, and drive measurable growth. With a hands-on, results-oriented approach, Aleysian enables businesses to confidently navigate complex cloud transformations and build future-ready digital infrastructures.

View Aleysian Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Chicago, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 22% Software Development

  • 50% Artificial Intelligence

  • 17% Web Design

  • 11% Digital Marketing

The Infrastructure Layer

iSimplifyMe is a Chicago-based full-service AI marketing agency and platform builder. Founded in 2011, it has evolved from a boutique web studio into an 11-service Digital Renaissance provider offering AEO Infrastructure, SEO, AI-Native Web Design, CRM Architecture, and more. Serving enterprise clients across North America and Asia-Pacific.

View iSimplifyMe Profile
Inside Service Listing

$200-$300/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

Chicago, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 20% Web Design

  • 10% Digital Marketing

  • 10% Internet of Things

We build products so our partners can build companies

FarShore Partners (FSP) is a full-service custom software and product development agency helping startups, entrepreneurs, and Fortune 500 companies bring ideas to market. With 15+ years of experience, we deliver end-to-end solutions—from concept and design to development and launch—focusing on scalable, user-centric digital products. Headquartered in Chicago, our global team of 130+ experts across the U.S., Croatia, and India enables agile delivery, technical excellence, and long-term partnership for business growth.

View FarShore Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Chicago, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Mobile App Development

  • 20% Web Development

  • 10% Artificial Intelligence

  • 10% Product Engineering services

  • 10% Ecommerce Development

  • 10% IT Services

We help you swiftly deliver your next app

Bitovi is a digital product consulting firm specializing in JavaScript development, UX design, and full-stack application delivery. Known for their collaborative, validation-driven approach, the team pairs clients with specialists whose expertise directly matches project needs. Bitovi has delivered major digital products for brands including Yum! Brands—building a global ecommerce platform across 50,000 locations in 145 countries—and KFC, whose app won a Webby People's Voice Award. The agency blends open-source contributions with hands-on consulting and training.

View Bitovi Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Libertyville, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 20% Web Design

  • 20% Artificial Intelligence

  • 10% Web Development

  • 10% Ecommerce Development

  • 10% Cloud Computing Services

  • 10% CMS

Born Digital. Built for What's Next

Sandstorm Design® is a data-driven digital agency specializing in UX strategy, research, and enterprise web development. With 4,400+ user interviews and usability studies conducted, we uncover actionable insights that help organizations unlock growth and make informed decisions. Our expertise spans brand strategy, inclusive and accessible design, and UX-focused digital experiences. We develop scalable, high-performance websites using platforms like Drupal (Acquia), WordPress, and Kentico CMS. By combining research, analytics, and creative thinking, we transform complex challenges into measurable outcomes—helping businesses improve user engagement, optimize performance, and achieve long-term digital success.

View Sandstorm Design Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$100,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Chicago, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Software Development

  • 30% Web Development

  • 20% Cloud Computing Services

  • 20% CMS

  • 10% Digital Transformation

We create software for the web

Chromatic is a web engineering agency specializing in building and optimizing high-performance digital ecosystems for complex, enterprise organizations. Our experienced technologists leverage deep open-source expertise to deliver scalable, secure, and future-ready content management solutions. We help businesses streamline workflows, modernize legacy systems, and execute seamless data migrations with minimal disruption. From improving site speed and performance to simplifying content operations, our solutions are designed to enhance efficiency and user experience. With a strong focus on reliability and client success, Chromatic transforms complex digital infrastructures into agile, optimized platforms that support long-term growth and measurable business outcomes.

View Chromatic Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$50,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Chicago, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 15% Software Development

  • 40% Web Development

  • 25% Web Design

  • 20% Ecommerce Development

Building smarter web solutions since 1996

Imaginary Landscape, operating as Imagescape, is a Chicago-based web development and digital strategy agency with over 25 years of experience building robust, scalable web solutions. The agency specializes in custom web application development, Drupal and WordPress development, API integrations, and digital strategy consulting. Imagescape serves clients in healthcare, education, nonprofits, and corporate sectors, delivering technology solutions that are secure, accessible, and maintainable. Known for their technical depth and long-standing client relationships, Imagescape combines senior engineering talent with a strategic approach to help organizations maximize the value of their digital investments.

View Imaginary Landscape Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Evanston, USA

Location
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