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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1$10,000+10 - 49 employeesWebster Groves, MOSketch Development is a software development company. Founded in 2015, the small company is in Webster Groves, Missouri and Pittsburgh, Pennsylvania. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, AI Consulting, and more.Read More
Clients
Reinsurance Group of America (RGA) bioMerieux CareSource CENTEGIXIndustries
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2$5,000+50 - 249 employeesSt. Louis, MOWeb design agency UPQODE was launched in 2015. They are based in Nashville, Tennessee; New York, New York; Tampa, Florida and Seattle, Washington and have a midsize team. UPQODE focuses on Web Design, Web Development, UX/UI Design, Custom Software Development, and more.Read More
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Gracenote - Entertainment ProvidersIndustries
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3$5,000+2 - 9 employeesSt. Louis, MORead More
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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4$50,000+2 - 9 employeesClayton, MORead More
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.
Clients
Tower Grove Neighborhoods CDCIndustries
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5$10,000+10 - 49 employeesBrentwood, MOSteadyRain, a Digital Strategy company, was established in 1999. Their small team is located in Brentwood, Missouri and offers Digital Strategy, Search Engine Optimization, Custom Software Development, Web Development, and more.Read More
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Build-a-Bear WorkshopIndustries
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6$1,000+1,000 - 9,999 employeesSt. Louis Park, MNInsight Global, a big data analytics company, provides BI & big data consulting & SI and cloud consulting & SI. The firm is located in Atlanta, Georgia and Birmingham, Alabama.Read More
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7Undisclosed10 - 49 employeesSt. Louis, MORead More
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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8$1,000+2 - 9 employeesSt. Louis, MORead More
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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9$1,000+2 - 9 employeesSt. Louis, MORead More
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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10$5,000+2 - 9 employeesSt. Louis, MORead More
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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11$50,000+10 - 49 employeesSt. Louis, MORead More
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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12$25,000+10 - 49 employeesSt. Louis, MORead More
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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13$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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14$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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15Undisclosed50 - 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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16Undisclosed10 - 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
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Cornerstone Insurance Group -
17Undisclosed50 - 249 employeesSt. Louis, MOObject Computing, Inc. Is an AI company. In St. Louis, Missouri, the company provides Artificial Intelligence and Blockchain.Read More
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18$5,000+50 - 249 employeesSt. Louis, MOFounded in 1981, Oakwood Systems Group, Inc. Is a cloud consulting & SI company. The firm focuses on cloud consulting & SI and BI & big data consulting & SI.Read More
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19$5,000+2 - 9 employeesBallwin, MORead More
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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20Undisclosed50 - 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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21$10,000+10 - 49 employeesChesterfield, MORead More
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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22$1,000+10 - 49 employeesBelleville, ILBusiness Consulting company Konect360 was founded in 2016. The team focuses on Business Consulting and Marketing Strategy.Read More
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23$5,000+50 - 249 employeesSt. Louis, MOApplication development firm Qodestar was established in 2022. They are based in Seattle, Washington; Nashville, Tennessee; New York, New York and Tampa, Florida and have a midsize team. Their services include Mobile App Development, UX/UI Design, Mobile & App Marketing, Product Design, and more.Read More
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24Undisclosed250 - 999 employeesSt. Louis, MORead More
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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25$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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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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27Undisclosed10 - 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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28Undisclosed10 - 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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29Undisclosed10 - 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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30Undisclosed10 - 49 employeesBallwin, MOEuroaxiom is an Accounting company. The team provides Accounting and Finance & Accounting Outsourcing (FAO), and the agency is in Ballwin, Missouri.Read More
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