Top 100 Software Development Companies in Illinois
The Best of December 2025Looking 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 a software development firm. Their small team is located in Irvine, California. The firm specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more.Read More
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is a small user experience agency launched in 2001. Their team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more. The company is located in Medina, Washington.Read More
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$10,000+10 - 49 employeesJohannesburg, South AfricaRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
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61$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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62$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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63$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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64$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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65$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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66Undisclosed50 - 249 employeesChicago, ILOLSYS is a software development firm. Launched in 2007, the team specializes in Custom Software Development and BI & big data consulting & SI. The agency is headquartered in Chicago, Illinois.Read More
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Bank of Montreal Royal Bank of Scotland Rough Country VIPAR Heavy Duty Inc.Industries
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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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68Undisclosed10 - 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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69$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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70$10,000+10 - 49 employeesNaperville, ILInspirit is a small custom software development company based in Naperville, Illinois. They offer custom software development, ux/ui design, cloud consulting & SI, web development, and more and were established in 2020.Read More
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71Undisclosed10 - 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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72$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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73$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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74$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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75$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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76$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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77$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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78Undisclosed10 - 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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79$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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80$10,000+50 - 249 employeesChicago, ILLaunched in 2013, Taction Software LLC is a midsize mobile application development company. Their team specializes in Mobile App Development, Custom Software Development, Artificial Intelligence, BI & big data consulting & SI, and more. The firm is headquartered in Chicago, Illinois; Cheyenne, Wyoming; Noida, India and Austin, Texas.Read More
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First National BankIndustries
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81Undisclosed2 - 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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82Undisclosed10 - 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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83$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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84$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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85Undisclosed10 - 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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86$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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87$50,000+10 - 49 employeesChicago, ILEstablished in 2021, Suite 3A is a branding firm. The small team focuses on Branding and Custom Software Development.Read More
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88$50,000+10 - 49 employeesArlington Heights, ILELASTECH, a software development company, provide Custom Software Development and Blockchain. They were launched in 2021.Read More
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89$10,000+50 - 249 employeesChicago, ILDMC, Inc., a custom software development firm, is based in Chicago, Illinois and Somerville, Massachusetts. The team provides Custom Software Development and CRM consulting and SI.Read More
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3MIndustries
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90$5,000+50 - 249 employeesSkokie, ILRead More
Hoff & Mazor is a midsize application development firm. They provide mobile app development, enterprise app modernization, wearable app development, and other application development and were established in 2015. The firm is headquartered in Casper, Wyoming.
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