Top 100 Software Development Companies in Illinois
The Best of June 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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$50,000+1,000 - 9,999 employeesNew York, NYVention is an IT staff augmentation company. Their large team is in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The company focuses on IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more. The company was launched in 2002.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a Medina, Washington-based UX agency. The small team focuses on UX/UI Design, Mobile App Development, Custom Software Development, Web Design, and more and was established in 2001.Read More
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61$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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62$10,000+2 - 9 employeesChicago, ILISimplifyMe, an AI Consulting company, was established in 2011. Located in Chicago, Illinois, their small team offers AI Consulting, Generative AI, Custom Software Development, Web Design, and more.Read More
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Evolve Advanced Cosmetic ClinicIndustries
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63$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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64$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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65$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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66$25,000+10 - 49 employeesLoves Park, ILBased in Loves Park, Illinois, Ticomix is a small Enterprise App Modernization company. They specialize in Enterprise App Modernization, Custom Software Development, AI Agents, and AI Consulting and were launched in 2000.Read More
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67$1,000+10 - 49 employeesChicago, ILRead More
IT staff augmentation company Aventrio is headquartered in Chicago, Illinois. The agency focuses on IT staff augmentation, custom software development, cybersecurity, web development, and more and is small.The agency was founded in 2022.
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68$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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69$50,000+2 - 9 employeesEvanston, ILJAM-IT BPM Consultants is a Low/No Code Development company founded in 2025. Their small team is headquartered in Evanston, Illinois. Their services include Low/No Code Development, Custom Software Development, Enterprise App Modernization, API Development, and more.Read More
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70Undisclosed10 - 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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71$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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72Undisclosed250 - 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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73$10,000+10 - 49 employeesChicago, ILFounded in 1968, SHIFT - Communication Supply Chain Solutions is a small market research company. Their team focuses on market research, marketing strategy, business consulting, search engine optimization, and more. The company is in Chicago, Illinois.Read More
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74Undisclosed10 - 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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75$10,000+10 - 49 employeesNaperville, ILInspirit Dev is a custom software development company. Founded in 2020, the small company is located in Naperville, Illinois. Their services include Custom Software Development, Web Development, UX/UI Design, cloud consulting & SI, and more.Read More
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76$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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77$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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78$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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79$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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80$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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81$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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82$1,000+10 - 49 employeesChicago, ILIT Impact, Inc. Is a software development company. They specialize in Custom Software Development and BI & big data consulting & SI and are headquartered in Chicago, Illinois.Read More
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83Undisclosed10 - 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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84$25,000+50 - 249 employeesChicago, ILFounded in 1991, Strategic Systems International is a custom software development firm. The team specializes in Custom Software Development and Mobile App Development.Read More
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85Undisclosed2 - 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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86Undisclosed10 - 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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87$25,000+50 - 249 employeesChicago, ILINTERSOG is a midsize IT staff augmentation company. Launched in 2005, the company is located in Chicago, Illinois; Vancouver, Canada and Guadalajara, Mexico. Their services include IT staff augmentation, Custom Software Development, IoT development, Artificial Intelligence, and more.Read More
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Mitsubishi Bosch Tesla Relm InsuranceIndustries
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88$10,000+10 - 49 employeesChicago, ILTecture is a custom software development company. They were founded in 2002 and specialize in Custom Software Development and Web Design.Read More
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89Undisclosed10 - 49 employeesRolling Meadows, ILSoftware development company Creative Designs Agency was founded in 2023. The firm provides Custom Software Development and IT strategy consulting.Read More
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90$25,000+10 - 49 employeesItasca, ILSynegen, Inc. Is a custom software development firm established in 2001. The agency focuses on Custom Software Development and CRM consulting and SI.Read More
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