Top 100 Software Development Companies in Illinois
The Best of October 2026Looking 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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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures is an application development company. Their small team is based in Irvine, California. Their services include Mobile App Development, Custom Software Development, Artificial Intelligence, and Web Development. The company was established in 2017.Read More
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures is an application development company. Their small team is based in Irvine, California. Their services include Mobile App Development, Custom Software Development, Artificial Intelligence, and Web Development. The company was established in 2017.Read More
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61$25,000+10 - 49 employeesRiverwoods, ILRead More
Insyte Consultancy Services is a software company of around 10 employees. Established in 2011, their headquarters is in Oak Park, Ill. They offer services in mobile app development, wearable app development, custom software development, and enterprise app modernization.
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TaxBuddy AppIndustries
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62$25,000+50 - 249 employeesNorthbrook, ILMidsize Blockchain company Consider It Done Technologies, is headquartered in Northbrook, Illinois. They specialize in Blockchain, Mobile App Development, Web Development, IT strategy consulting, and more and were established in 2016.Read More
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63$10,000+50 - 249 employeesOakbrook Terrace, ILBased in , , UTECH is a software development company. The midsize team provides custom software development, IT strategy consulting, search engine optimization, web development, and more and was founded in 2016.Read More
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64$10,000+250 - 999 employeesChicago, ILProgrammers - AI, Data & Software is a midsize artificial intelligence company based in Chicago, Illinois. They offer Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, Generative AI, and more and were founded in 1990.Read More
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65$10,000+10 - 49 employeesChicago, ILRead More
Mercova Media LLC is a Chicago-based digital marketing agency founded in 2015. Their team of approximately 3 employees serves clients of all sizes. They're seasoned in web and mobile app development, but they also handle custom software and social media marketing.
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Orangetheory Fitness (International Franchise)Industries
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66$5,000+50 - 249 employeesNaperville, ILCodeAutomation is an artificial intelligence development company. They specialize in Artificial Intelligence, AI Agents, AI Consulting, IT staff augmentation, and more and were founded in 2018. Their midsize team is Naperville, Illinois-based.Read More
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67$10,000+2 - 9 employeesChicago, ILBytecraft LLC is a software development firm established in 2018. In Chicago, Illinois, their small team offers Custom Software Development, Artificial Intelligence, AI Consulting, Generative AI, and more.Read More
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ReCreate PhotohuntIndustries
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68$1,000+10 - 49 employeesDeerfield, ILSilver Concepts is a software development company launched in 2017. They are located in Deerfield, Illinois and Islamabad, Pakistan and have a small team. The firm provides Custom Software Development, Branding, UX/UI Design, and Web Design.Read More
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Future Deals UAEIndustries
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69$25,000+10 - 49 employeesChicago, ILBusiness intelligence company Loadsys Consulting, Inc was launched in 2002. Their small team is located in Chicago, Illinois and provides BI & big data consulting & SI, Artificial Intelligence, Enterprise App Modernization, AI Consulting, and more.Read More
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All Star DeliveryIndustries
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70$50,000+2 - 9 employeesEvanston, ILJam-IT BPM Consultants is a Low/No Code Development company. They are headquartered in Evanston, Illinois and have a small team. Their services include Low/No Code Development, Custom Software Development, Enterprise App Modernization, API Development, and more.Read More
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71$10,000+2 - 9 employeesSchaumburg, ILRead More
Velan Solutions, LLC is a 4-person software development company founded in 2017. They are headquartered in Schaumburg, Ill. They offer numerous services, including mobile app development, IT strategy consulting, and custom software development. They primarily serve small businesses in various industries: IT, government, retail, education, and consumer services.
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Marmon REPIndustries
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72$25,000+10 - 49 employeesLoves Park, ILTicomix is an Enterprise App Modernization company. Based in Loves Park, Illinois, their small team provides Enterprise App Modernization and Custom Software Development. The firm was launched in 2000.Read More
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73$50,000+2 - 9 employeesChicago, ILISimplifyMe, a Generative AI company, is located in Chicago, Illinois. The small agency was established in 2011. Their team provides Generative AI, AI Agents, Custom Software Development, Artificial Intelligence, and more.Read More
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Evolve Advanced Cosmetic ClinicIndustries
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74Undisclosed10 - 49 employeesChicago, ILRead More
Thinkship is a digital business consulting firm of 19 employees, founded in 2016. Their headquarters is in Chicago, and they have secondary locations in Edina, Minn. and Wuhan, China. They offer custom software development, web development and mobile app development. They serve small and midmarket businesses in the IT, consumer products, business and real estate industries.
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SNAP! CourierIndustries
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75$10,000+2 - 9 employeesWoodridge, ILBased in Woodridge, Illinois and Berkeley Township, New Jersey, 5-3 Digital Consulting is a custom software development company. The small team provides custom software development, web development, e-commerce development, digital strategy, and more. The firm was launched in 2016.Read More
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76$5,000+50 - 249 employeesArlington Heights, ILKAISPE LLC is a midsize ERP consulting and SI company. The Arlington Heights, Illinois-based firm was established in 2019. Their services include ERP consulting and SI, Low/No Code Development, Custom Software Development, CRM consulting and SI, and more.Read More
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77$10,000+50 - 249 employeesPeoria, ILSpectrum Future Technology is a midsize software development company founded in 2016. Their services include Custom Software Development, Web Development, Artificial Intelligence, AI Agents, and more. The agency is in Hyderabad, India; Peoria, Illinois; Bass Hill, Australia and Al Khobar, Saudi Arabia.Read More
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78Undisclosed250 - 999 employeesBolingbrook, ILDelloweb International is a SEO company established in 2013. Their midsize team is located in Bolingbrook, Illinois and offers Search Engine Optimization, cloud consulting & SI, Web Development, Mobile App Development, and more.Read More
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79$10,000+10 - 49 employeesChicago, ILSHIFT - Channel Marketing Solutions is an Other Marketing company. Established in 1968, the small agency is headquartered in Chicago, Illinois. Their team specializes in Other Marketing, Custom Software Development, Ecommerce Marketing, Business Consulting, and more.Read More
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80$5,000+2 - 9 employeesNaperville, ILRead More
Plaidypus, Inc. is a software design and development agency based in Naperville, Ill. and founded in 2004. Their team of eight employees specializes in custom software development, UX/UI design, and application management. They mainly work with mid-market and small business clients in the non-profit, IT, and business services industries.
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*TedX Naperville*Industries
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81Undisclosed10 - 49 employeesChicago, ILRead More
Solve100 is a BI consulting firm based in Chicago. They have around 20 employees and were founded in 2013. Their services include BI & big data consulting & SI and custom software development.
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82$1,000+2 - 9 employeesEvanston, ILNouvos Solutions LLC, a custom software development firm, was launched in 2024. The company specializes in Custom Software Development, Web Development, Mobile App Development, Search Engine Optimization, and more and has a small team.Read More
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83$10,000+10 - 49 employeesDes Plaines, ILRead More
Peaksoft is a software solution and development service provider based in Des Plaines, Ill. with an office in Bishkek, Kyrgyzstan. The company, founded in 2015, has more than 50 employees and provides, among others, mobile app development, web development, and custom software development services to small and midmarket companies and institutions.
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CybertekIndustries
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84$10,000+10 - 49 employeesArlington Heights, ILLeantegral, a custom software development company, was established in 2009. They are based in Arlington Heights, Illinois and have a small team. Leantegral provides custom software development, other application development, product design, e-commerce development, and more.Read More
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85$1,000+2 - 9 employeesWadsworth, ILWeb design agency VA DESIGNS was founded in 2024. Their small team is in Wadsworth, Illinois. VA DESIGNS focuses on Web Design, UX/UI Design, Custom Software Development, and Web Development.Read More
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86Undisclosed2 - 9 employeesElgin, ILHealthcare Financial Resources (HFRI) is a software development company. Founded in 1975, the small agency is in Elgin, Illinois. Their services include custom software development, IT strategy consulting, and IT managed services.Read More
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87$1,000+10 - 49 employeesSkokie, ILDevVerx is a website development firm. In Skokie, Illinois, the agency was launched in 2012. Their team offers Web Development and Microservices Architecture Services.Read More
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88Undisclosed10 - 49 employeesRiverwoods, ILRead More
Computing Technology Solutions is an IT managed services and SEO company. The small Riverwoods, Illinois-based agency was established in 2001. Their team provides IT managed services and search engine optimization.
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89Undisclosed10 - 49 employeesLondon Mills, ILAvidi Technology, a software development company, was launched in 2019. Their small team is headquartered in London Mills, Illinois. Their services include custom software development.Read More
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90$25,000+2 - 9 employeesChicago, ILRed Axle is a mobile application development firm located in Chicago, Illinois. The small firm was founded in 2010. Their team focuses on Mobile App Development, Custom Software Development, Web Development, E-Commerce Development, and more.Read More
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