Top 50 Software Development Companies in St. Louis
The Best of December 2025Looking for a top software developer in St. Louis?
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 St. Louis. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best St. Louis 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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31Undisclosed2 - 9 employeesSt. Louis, MOGlobal Enterprise Services, LLC is a custom software development firm. The St. Louis, Missouri-based firm was established in 2018. Their services include Custom Software Development and Cybersecurity.Read More
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32Undisclosed2 - 9 employeesSt. Louis, MOCapnion is a Cybersecurity company. The small St. Louis, Missouri-based team provides Cybersecurity and Custom Software Development. The firm was established in 2018.Read More
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33Undisclosed2 - 9 employeesSt. Louis, MOLelander is an user experience agency. The St. Louis, Missouri-based company was launched in 2010. Their services include UX/UI Design and Custom Software Development.Read More
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34$5,000+2 - 9 employeesFenton, MOFounded in 2015, Richter Solutions is an IT managed services company. Their team specializes in IT managed services and IT strategy consulting.Read More
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35Undisclosed50 - 249 employeesSt. Louis, MOCEdge Inc. Is a midsize IT strategy consulting company launched in 2004. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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36Undisclosed50 - 249 employeesScott Air Force Base, ILCybersecurity company UNCOMN was established in 2011. The team focuses on Cybersecurity and Custom Software Development.Read More
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37Undisclosed10 - 49 employeesAlton, ILBall Systems Technologies, a software development firm, is based in Alton, Illinois and Westfield, Indiana. Their services include Custom Software Development.Read More
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38Undisclosed2 - 9 employeesSt. Louis, MOCode St. Louis, a SEO services firm, is headquartered in St. Louis, Missouri. Their services include Search Engine Optimization and UX/UI Design.Read More
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39Undisclosed10 - 49 employeesEarth City, MOBig data analytics company Dalechek Technology was established in 2005. The team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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40Undisclosed2 - 9 employeesO'Fallon, MOCustom software development company Kreative Solutions Group was founded in 2007. The agency offers Custom Software Development.Read More
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41Undisclosed50 - 249 employeesSt. Louis, MOKnowledgeLake is a Content Marketing company. Established in 1999, their team offers Content Marketing and cloud consulting & SI.Read More
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42Undisclosed10 - 49 employeesBallwin, MODatasoft Global LLC, a big data company, is located in Ballwin, Missouri. Established in 2007, the team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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43Undisclosed50 - 249 employeesChesterfield, MOTDK Technologies, a midsize web design agency, is headquartered in Chesterfield, Missouri. Their services include Web Design and UX/UI Design.Read More
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44Undisclosed10 - 49 employeesBallwin, MOBased in Ballwin, Missouri, BitCodeUSA is a small Advertising company. The team offers Advertising and Branding.Read More
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45Undisclosed10 - 49 employeesCottleville, MOSEO company PDE Health was established in 2013. The agency offers Search Engine Optimization and Logo, and is small.Read More
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46Undisclosed2 - 9 employeesSt. Louis, MOBased in St. Louis, Missouri, Nehit is an AI firm. They specialize in Artificial Intelligence and AI Consulting and were founded in 2010.Read More
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47Undisclosed2 - 9 employeesCottleville, MODigitalGrowthus is a SEO agency founded in 2015. Their team offers Search Engine Optimization and Custom Software Development.Read More
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48UndisclosedFreelancer employeesFenton, MOTalos Software Solutions, a business intelligence company, is located in Fenton, Missouri. Established in 2021, the team focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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49Undisclosed2 - 9 employeesChesterfield, MO360Views LLC is a big data analytics company. Launched in 2013, their team focuses on BI & big data consulting & SI and CRM consulting and SI.Read More
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50Undisclosed10 - 49 employeesPerryville, MOCELEEN, LLC is a small Perryville, Missouri-based software development company. The team specializes in Custom Software Development and BI & big data consulting & SI.Read More
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51Undisclosed10 - 49 employeesSt. Louis, MOGiant Hat is an e-commerce development company. They were established in 1905, and their services include E-Commerce Development and Web Development.Read More
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52Undisclosed10 - 49 employeesWeldon Spring, MOSmall custom software development company IT Looking Glass LLC, is based in Weldon Spring, Missouri. Their services include Custom Software Development and Web Development.Read More
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