Top 100 IT Services Companies in St. Louis
The Best of December 2025Looking for a top IT services company in St. Louis?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in St. Louis. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best St. Louis IT Companies
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$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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$1,000+50 - 249 employeesNaperville, ILBetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.Read More
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1$1,000+250 - 999 employeesPhoenix, AZBased in Dallas, Texas; Louisville, Kentucky; Shreveport, Louisiana and Fort Worth, Texas, IT GOAT is an IT managed services company. The midsize company was founded in 2018. Their team specializes in IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.Read More
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Quadratic InsightsIndustries
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2Undisclosed10 - 49 employeesSt. Louis, MORead More
Strategic Sales Systems is a solutions provider based in St. Louis. Founded in 1997, their team of about 20 work with a variety of industries. They specialize in CRM consulting and SI, application management and support, and cloud consulting and SI.
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Big River Telephone CompanyIndustries
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3$5,000+1,000 - 9,999 employeesChicago, ILSikich is a Chicago, Illinois-based Cybersecurity company. The firm focuses on Cybersecurity, IT managed services, ERP consulting and SI, and Compliance Consulting and is large.The firm was established in 1982.Read More
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4$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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5Undisclosed10 - 49 employeesOlivette, MORead More
Certified NETS, Inc. Is an IT strategy consulting and IT managed services company. The small team is headquartered in Olivette, Missouri. Their services include IT strategy consulting and IT managed services.
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6$1,000+10 - 49 employeesCreve Coeur, MOModel Technology Solutions is an IT strategy consulting company launched in 2014. They are located in Creve Coeur, Missouri and have a small team. Their services include IT strategy consulting, cloud consulting & SI, cybersecurity, IT managed services, and more.Read More
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7$5,000+10 - 49 employeesClayton, MORead More
Atomic Revenue is a small business consulting company. Founded in 2014, the team provides business consulting, CRM consulting and SI, marketing strategy, digital strategy, and more. The firm is located in Clayton, Missouri.
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8$25,000+10 - 49 employeesSt. Louis, MOIn St. Louis, Missouri, PenPath is a big data analytics company. Their services include BI & big data consulting & SI.Read More
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9Undisclosed2 - 9 employeesMaryland Heights, MOIT managed services company J & B Technologies LTD is headquartered in Maryland Heights, Missouri and Ballwin, Missouri. Founded in 1993, the team focuses on IT managed services.Read More
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10$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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11Undisclosed10 - 49 employeesCollinsville, ILComputerease is a small IT strategy consulting company established in 1984. Their services include IT strategy consulting and Cybersecurity.Read More
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12$1,000+10 - 49 employeesRichmond Heights, MOLaunched in 1994, Acumen Managed IT Services is a small IT strategy consulting company based in Richmond Heights, Missouri. Their team focuses on IT strategy consulting and Cybersecurity.Read More
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13$5,000+10 - 49 employeesO'Fallon, ILSmall Cybersecurity company Alpine Security, is in O'Fallon, Illinois. The team focuses on Cybersecurity.Read More
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14$1,000+250 - 999 employeesSt. Louis, MOIT Solutions is a midsize IT managed services company located in Fort Washington, Pennsylvania and Syosset, New York. Their services include IT managed services and Cybersecurity.Read More
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15Undisclosed50 - 249 employeesSt. Louis, MOIT managed services company Acropolis Technology Group was founded in 1996. The midsize team provides IT managed services and IT strategy consulting.Read More
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16Undisclosed50 - 249 employeesEdwardsville, ILHolistix by Utilitra is an IT strategy consulting company. The Edwardsville, Illinois-based company specializes in IT strategy consulting and Cybersecurity.Read More
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17Undisclosed50 - 249 employeesEarth City, MOFive Nines is an IT managed services company headquartered in Lincoln, Nebraska; Omaha, Nebraska and Earth City, Missouri. The company focuses on IT managed services, Cybersecurity, IT strategy consulting, and IT staff augmentation and has a midsize team.The company was founded in 2001.Read More
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18$5,000+10 - 49 employeesRichmond Heights, MOIT managed services company Acumen Consulting provides IT managed services and IT strategy consulting. They were founded in 1994.Read More
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19Undisclosed50 - 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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20Undisclosed10 - 49 employeesFenton, MORead More
US Cloud is a global managed cloud provider in Fenton, Mo., near St. Louis. Founded in 1996, they have about 21 employees that serve clients in the IT sector. Services include ECM consulting and SI, application management and support, and IT strategy consulting.
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BoseIndustries
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21$5,000+250 - 999 employeesSt. Louis, MOGemini Consulting & Services is a mobile application development firm. They were established in 2010 and specialize in Mobile App Development and Web Development.Read More
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Weil Cornell Medicine -
22$5,000+10 - 49 employeesSt. Louis, MOBlue Stingray is a St. Louis, Missouri-based cloud consulting & SI company. They focus on cloud consulting & SI and E-Commerce Development and were founded in 2009.Read More
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Battery Handling Systems -
23$5,000+10 - 49 employeesSt. Louis, MOCloud consulting & SI company Alambda Systems was founded in 2014. The firm focuses on cloud consulting & SI and Cybersecurity, and is small.Read More
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24$75,000+1,000 - 9,999 employeesSt. Louis, MOEstablished in 1919, Ansira is an Other Application Development company. The company provides Other Application Development and Marketing Strategy, and is large.Read More
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25$5,000+10 - 49 employeesSt. Louis, MOMechcubei Solutions is a St. Louis, Missouri-based mobile application development firm. Their services include Mobile App Development and UX/UI Design.Read More
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26Undisclosed50 - 249 employeesCreve Coeur, MOEstablished in 1985, Demand Management is a CRM consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.Read More
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27$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
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United States ArmyIndustries
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28Undisclosed10 - 49 employeesSt. Louis, MOCovenant Technology Partners is a small UX design agency based in St. Louis, Missouri. The team offers UX/UI Design and BI & big data consulting & SI.Read More
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29Undisclosed250 - 999 employeesSt. Louis, MOSumnerOne is a St. Louis, Missouri-based ECM consulting and SI company. They specialize in ECM consulting and SI and IT managed services.Read More
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30Undisclosed2 - 9 employeesSt. Louis, MOHarpy IT Solutions is an IT managed services company. The St. Louis, Missouri-based company was founded in 2012. Their services include IT managed services and Cybersecurity.Read More
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