Top 100 Software Development Companies in Illinois
The Best of May 2024
Looking for a top software developer in Illinois?
As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.
To assist you in your search for a partner, we’ve compiled this list of the top software development companies in Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Illinois Software Developers
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Featured providers
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- $75,000+
- 250 - 999 employees
- Charlotte, NC
Read MoreDualboot Partners is a product design and software engineering company founded in Raleigh, N.C. in 2018 with over 50 professionals. They offer custom software development and application testing solutions for various clients.
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- $25,000+
- 50 - 249 employees
- Warszawa, Poland
Read MoreTeaCode.io is a Warsaw-based full-stack software development company that was founded in 2015. Their team of 12 specializes in custom software, web, and mobile app development. They also know their way around IoT and AI projects. They usually work with small and mid-sized companies and have so far completed many projects in fields of education, medical care, travel, security, communications, e-commerce, and more.
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- $10,000+
- 1,000 - 9,999 employees
- Warszawa, Poland
Read MoreInnowise Group is a custom software development company based in Warsaw, Poland. With more than 1000 specialists on board and 600 projects completed, they use cutting-edge technologies to transform their client's businesses. They are experts in designing and developing tech solutions that will help your company enhance its processes and increase customer satisfaction, thanks to their 15+ years of experience and extensive expertise. They create custom software to fit your unique requirements in terms of timeline, budget, and use case. They handle every step of the development process, from product concept and development to testing, deployment, and support. In addition to building custom software, we also excel in UX/UI design, IT strategy consulting, and staff augmentation.
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151
- Undisclosed
- 50 - 249 employees
- Scott Air Force Base, IL
UNCOMN is a cybersecurity company. The midsize team is headquartered in Scott Air Force Base, Illinois. Their services include cybersecurity, custom software development, and IT managed services.Read More - Get Started
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152
- $5,000+
- 50 - 249 employees
- Libertyville, IL
Bitovi, an enterprise app modernization company, is located in Libertyville, Illinois. The company focuses on enterprise app modernization, custom software development, IT staff augmentation, e-commerce development, and more and has a midsize team.The company was established in 2007.Read More -
153
- $100,000+
- 50 - 249 employees
- Willowbrook, IL
Website development firm Elite Coder Studios LLC is based in Willowbrook, Illinois. Founded in 2019, the midsize team offers web development, mobile app development, custom software development, and e-commerce development.Read MoreIndustries
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154
- $5,000+
- 10 - 49 employees
- Chicago, IL
Ukietech is a small web development firm. The Chicago, Illinois-based company was launched in 2004. Their services include web development, custom software development, and web design.Read MoreIndustries
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155
- $1,000+
- 10 - 49 employees
- Chicago, IL
Tissaa is a SEO services firm. They are in Chicago, Illinois and have a small team. The firm provides search engine optimization, IT strategy consulting, cloud consulting & SI, IT managed services, and more.Read MoreIndustries
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156
- $10,000+
- 10 - 49 employees
- Arthur, IL
Read MoreTitanium Labs is a software firm based in Cherkasy, Ukraine, and founded in 2017. Their team of more than 10 specializes in custom software, web, and mobile app development solutions for small and mid-market firms in the industries of e-commerce and advertising.
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157
- Undisclosed
- 2 - 9 employees
- Bloomington, IL
Trinitiii is a custom software development firm. Founded in 2017, the small agency is headquartered in Bloomington, Illinois. Their team specializes in custom software development, cybersecurity, enterprise app modernization, and IT managed services.Read More -
158
- $10,000+
- 2 - 9 employees
- Lincolnshire, IL
Replient, a custom software development company, was established in 2019. The small team offers custom software development, enterprise app modernization, web development, web design, and more. The firm is headquartered in Lincolnshire, Illinois.Read More -
159
- $50,000+
- 50 - 249 employees
- Chicago, IL
Read MoreSaritasa is a full-source software development firm based in Newport Beach, Calif. With additional offices in New York City, Russia, and Vietnam. They were founded in 2005 and employ a team of about 90 who provide custom software, web, mobile, IoT, and AR/VR development for mostly mid-sized businesses.
Clients
- iHeartMedia
Industries
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160
- $10,000+
- 10 - 49 employees
- Chicago, IL
Catalyst Consulting group is a small software development company launched in 1992. Their team provides custom software development, IT managed services, CRM consulting and SI, ECM consulting and SI, and more. The company is headquartered in Chicago, Illinois.Read MoreIndustries
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161
- $10,000+
- 10 - 49 employees
- Chicago, IL
Ai2, a custom software development firm, was launched in 1982. They are headquartered in Chicago, Illinois and have a small team. Ai2 provides custom software development, enterprise app modernization, e-commerce development, and mobile app development.Read More -
162
- Undisclosed
- 10 - 49 employees
- Naperville, IL
Black Line IT, a software development company, is located in Naperville, Illinois. The small team specializes in custom software development, IT managed services, business consulting, and mobile app development and was established in 1993.Read More -
163
- Undisclosed
- 10 - 49 employees
- Naperville, IL
Located in Naperville, Illinois, VantagePro Systems is a small human resources company. Their services include HR services and custom software development.Read More -
164
- Undisclosed
- 10 - 49 employees
- Peoria, IL
Custom software development firm Stellar Systems, Inc. Was established in 1985. Their small team is located in Peoria, Illinois. Stellar Systems, Inc. Focuses on custom software development, mobile app development, web design, and web development.Read More -
165
- $1,000+
- 10 - 49 employees
- Groveland, IL
Launched in 2021, All in One Cluster is a custom software development company. The company specializes in custom software development and has a small team. The company is located in Bengaluru, India and Groveland, Illinois.Read MoreIndustries
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166
- $25,000+
- 10 - 49 employees
- Chicago, IL
Generative ai company Captios Partners was established in 2023. Based in Chicago, Illinois, their small team specializes in generative ai, custom software development, IT strategy consulting, ai consulting, and more.Read MoreIndustries
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167
- $10,000+
- 10 - 49 employees
- South Barrington, IL
AptlyLabs Inc is a custom software development company founded in 2018. Their small team is headquartered in South Barrington, Illinois. The company provides custom software development, web development, api development, enterprise app modernization, and more.Read More -
168
- $1,000+
- 10 - 49 employees
- Deerfield, IL
Giant Star AI is a small UX design company. Headquartered in Deerfield, Illinois, the agency was established in 2022. Their services include ux/ui design, custom software development, enterprise app modernization, web design, and more.Read More -
169
- $1,000+
- 2 - 9 employees
- Chicago, IL
Parallactic Consulting is a web development company founded in 2006. The agency provides web development, application testing, application management & support, other application development, and more and has a small team. The agency is in Chicago, Illinois.Read More -
170
- $25,000+
- 50 - 249 employees
- Schaumburg, IL
Read MorePSC Group is a midsize custom software development company located in Schaumburg, Illinois. They provide custom software development, enterprise app modernization, BI & big data consulting & SI, business consulting, and more and were established in 1990.
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171
- $5,000+
- 50 - 249 employees
- Chicago, IL
Read MoreAppMe Solutions is a midsize Chicago, Illinois-based custom software development firm. Established in 2006, the team offers custom software development, content marketing, e-commerce development, web design, and more.
Industries
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172
- $10,000+
- 50 - 249 employees
- Chicago, IL
Read MoreCivis Analytics is a Chicago, Illinois-based data analytics company. The midsize team specializes in BI & big data consulting & SI, custom software development, cloud consulting & SI, and CRM consulting and SI and was established in 2013.
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173
- $100,000+
- 50 - 249 employees
- Naperville, IL
Egen Solutions is a custom software development company. Founded in 2002, the midsize agency is headquartered in Naperville, Illinois. Their services include custom software development, enterprise app modernization, cloud consulting & SI, IT strategy consulting, and more.Read MoreIndustries
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174
- $10,000+
- 50 - 249 employees
- Rolling Meadows, IL
Headquartered in Rolling Meadows, Illinois, Inyxa is a custom software development firm. The midsize company was launched in 2008. Their services include custom software development, ERP consulting and SI, IT strategy consulting, logistics & supply chain consulting, and more.Read MoreIndustries
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175
- Undisclosed
- 50 - 249 employees
- Lombard, IL
Polaris Solutions, LLC is a cloud consulting & SI company launched in 2008. The midsize team provides cloud consulting & SI, cybersecurity, IT managed services, other IT consulting and SI, and more. The agency is located in St. Louis, Missouri and Lombard, Illinois.Read More -
176
- $1,000+
- 50 - 249 employees
- Park Ridge, IL
Established in 2012, Amz Inventor is an e-commerce development company. Their midsize team is headquartered in Park Ridge, Illinois and focuses on e-commerce development, pay per click, and custom software development.Read MoreIndustries
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177
- $1,000+
- 50 - 249 employees
- Arlington Heights, IL
KAT TECH SYSTEMS INC is a custom software development company. They are based in Arlington Heights, Illinois; Hopkins, Minnesota and Hyderabad, India and have a midsize team. Their services include custom software development, web development, mobile app development, BI & big data consulting & SI, and more.Read MoreIndustries
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178
- Undisclosed
- 50 - 249 employees
- Lisle, IL
Optivent Group Inc., a software development firm, was founded in 2018. Their midsize team is in Lisle, Illinois and offers custom software development, cloud consulting & SI, mobile app development, application testing, and more.Read MoreIndustries
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179
- $50,000+
- 10 - 49 employees
- Cicero, IL
INTERKIT is an app development company launched in 2020. The company offers mobile app development, ux/ui design, custom software development, e-commerce development, and more and has a small team. The company is in Bishkek, Kyrgyzstan.Read MoreClients
- Bank Kompanion
Industries
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180
- $25,000+
- 50 - 249 employees
- Elmhurst, IL
Read MoreBayshore Solutions is an end-to-end digital agency based in Tampa, Fla. with an office in Denver. Founded in 1996, their team of more than 10 with teams that provide brand storytelling, web design, and development, e-commerce, digital marketing, creative and hosting solutions.
Clients
- Masonite
Industries
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