
Top 50 Software Development Companies in St. Louis
The Best of May 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+1,000 - 9,999 employeesNew York, NY
Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.
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$10,000+250 - 999 employeesWrocław, PolandScalo is a midsize custom software development company. Established in 2007, the agency is headquartered in Wrocław, Poland; Kraków, Poland; Warszawa, Poland and Katowice, Poland. Their services include Custom Software Development, BI & big data consulting & SI, IT managed services, IT staff augmentation, 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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1$10,000+10 - 49 employeesWebster Groves, MOSketch Development is a small e-commerce development firm. The Webster Groves, Missouri-based firm was founded in 2015. Their team specializes in E-Commerce Development, Custom Software Development, Mobile App Development, and Enterprise App Modernization.Read More
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Reinsurance Group of America (RGA) bioMerieux CareSource CENTEGIXIndustries
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2$5,000+50 - 249 employeesSt. Louis, MOUPQODE is a web design agency based in Nashville, Tennessee; New York, New York; Tampa, Florida and Seattle, Washington. They focus on Web Design, Web Development, UX/UI Design, Custom Software Development, and more and were launched in 2015.Read More
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Gracenote - Entertainment ProvidersIndustries
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$10,000+10 - 49 employeesJohannesburg, South AfricaCubeZoo is a mobile application development firm. The small Johannesburg, South Africa-based team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more. The company was launched in 2011.Read More
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3$50,000+2 - 9 employeesClayton, MO
Strategic design and development agency Enliven is based in St. Louis. Since 2012, their team of 20 has been specializing in product design, web development, UX/UI design, and more for mainly enterprise-level clients. They primarily serve clients in the business services, health care & medical and IT industries.
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Tower Grove Neighborhoods CDCIndustries
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4$5,000+2 - 9 employeesSt. Louis, MO
Digital Radium is a high-end software development company founded in 2020 in St. Louis, Missouri. With about 3 employees on board, they offer web development, mobile app development, and e-commerce development to small and medium-sized businesses across several industries, the main ones being business services, manufacturing, and financial.
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STL PolyjackIndustries
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5$10,000+10 - 49 employeesBrentwood, MO
SteadyRain is a St. Louis-based digital strategy and marketing agency. They have 20 employees, and serve both as a strategic consultancy and perform hands-on marketing and development. SteadyRain offers custom software and web development, SEO, PPC campaigns, and other solutions to create the right campaign. Many of its clients are midmarket companies, though some are also small businesses.Former Clients: Build-a-Bear Workshop, Dent Wizard, Great Rivers Greenway, First Bank, the Missouri Division of Tourism
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Build-a-Bear WorkshopIndustries
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6Undisclosed10 - 49 employeesSt. Louis, MO
Engage Software is a web and mobile development company based in St. Louis, Missouri with a second office in Florida. Founded in 1999, Engage Software's team of around 20 employees serves primarily small and mid-market businesses. They specialize in web development, web design, and custom software development services.
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True ValueIndustries
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7$1,000+2 - 9 employeesSt. Louis, MO
Webenology, Inc is a custom software development firm based in St. Louis. Founded in 2013, their team of 8 serves clients in the transportation and nonprofit sectors. Services include web development and mobile app development.
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8$1,000+1,000 - 9,999 employeesClayton, MOInsight Global is a Staffing company. They are based in Atlanta, Georgia and Birmingham, Alabama, and their services include Staffing and BI & big data consulting & SI.Read More
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9$1,000+2 - 9 employeesSt. Louis, MO
PC40 Interactive is a St. Louis, Missouri-based e-commerce development company. The small team focuses on e-commerce development, web development, custom software development, mobile app development, and more and was established in 2006.
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10$50,000+10 - 49 employeesSt. Louis, MO
Happen technologies is a custom software development company in Saint Charles, Missouri. The small company was launched in 2018. Their services include custom software development, IT staff augmentation, mobile app development, and ux/ui design.
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11$5,000+2 - 9 employeesSt. Louis, MO
Founded in 2004, Altec Design is a web design and internet marketing agency located in St. Louis, Mo. The team of 10 provide clientele with web development, PPC, web design, custom software development, and SEO services.
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Vincent's JewelersIndustries
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12$5,000+10 - 49 employeesSt. Louis, MOUnidev is a software development firm founded in 1990. The team offers Custom Software Development and Mobile App Development.Read More
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13$25,000+10 - 49 employeesSt. Louis, MO
Tuva Interactive is a full-service internet development company from St. Louis. The company was founded in 1996 and currently has a team of 10 employees. Tuva Interactive provides custom software development, web development, and IT strategy consulting.
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FORO Sports ClubIndustries
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14Undisclosed50 - 249 employeesSt. Louis, MOAutomation & Control Concepts, a custom software development company, is headquartered in St. Louis, Missouri. The team offers Custom Software Development.Read More
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15$5,000+2 - 9 employeesSt. Louis, MOSoftware development company DEKAMCO was founded in 2019. The firm offers Custom Software Development and Mobile App Development, and is small.Read More
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16$5,000+2 - 9 employeesBallwin, MO
Data Dynamics, Inc. is an IT consulting company based in Ballwin, Mo. with more than two professionals. Since 2010, they have provided IT managed services, IT staff augmentation, and cloud consulting solutions for clients ranging from small firms to large businesses.
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TKC HoldingsIndustries
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17Undisclosed250 - 999 employeesSt. Louis, MO
Frontline Managed Services is an IT strategy consulting company. The midsize team is in St. Louis, Missouri. Their services include IT strategy consulting, cybersecurity, IT managed services, custom software development, and more.
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18$25,000+50 - 249 employeesSt. Louis, MOEstablished in 1997, Ross Technologies, (RTGX) is a custom software development company. The team provides Custom Software Development and BI & big data consulting & SI.Read More
Clients
United States ArmyIndustries
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19$5,000+10 - 49 employeesCollinsville, ILSwip Systems, a custom software development company, offers Custom Software Development and Web Development. The agency is located in Collinsville, Illinois.Read More
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20$10,000+10 - 49 employeesChesterfield, MO
ATB Technologies, an IT managed services company, was founded in 2002. The small team focuses on IT managed services, ERP consulting and SI, IT strategy consulting, and custom software development. The firm is in Chesterfield, Missouri.
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21Undisclosed10 - 49 employeesCreve Coeur, MOCSG is an IT strategy consulting company. Based in Creve Coeur, Missouri, their team focuses on IT strategy consulting and BI & big data consulting & SI.Read More
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22Undisclosed10 - 49 employeesSt. Louis, MOFounded in 2016, Aggio is a small IT strategy consulting company. Their services include IT strategy consulting and BI & big data consulting & SI.Read More
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23Undisclosed50 - 249 employeesSt. Louis, MOPolaris Solutions, LLC is an IT managed services company founded in 2008. The agency provides IT managed services and Custom Software Development.Read More
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24Undisclosed10 - 49 employeesSt. Louis, MOIntegrity Web Consulting is a custom software development company. The St. Louis, Missouri-based company was founded in 2000. Their team provides Custom Software Development and Web Development.Read More
Clients
Cornerstone Insurance Group -
25Undisclosed10 - 49 employeesSwansea, ILDino Consulting is a software development firm located in Swansea, Illinois. They provide Custom Software Development and Enterprise App Modernization and were founded in 2014.Read More
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26$10,000+50 - 249 employeesBallwin, MOEstablished in 1997, PRI Global is a software development company. The team provides Custom Software Development and Application Management & Support and is in Ballwin, Missouri.Read More
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27Undisclosed2 - 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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28Undisclosed2 - 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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29Undisclosed2 - 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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30Undisclosed50 - 249 employeesSt. Louis, MOObject Computing, Inc. Is an AI company. In St. Louis, Missouri, the company provides Artificial Intelligence and Blockchain.Read More
Industries
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