Top 40 Cybersecurity Companies in St. Louis

Sikich LLP is a global company specializing in technology-enabled professional services. Founded in 1982, Sikich offers a wide range of information technology, cybersecurity, and compliance services. From corporations and not-for-profits to state and local governments and federal agencies, Sikich clients utilize a broad spectrum of services and products to help them improve performance and achieve long-term, strategic goals.

Mercury Managed Services is a cloud consulting & SI company established in 2018. Their small team is in Carrollton, Texas. Their services include cloud consulting & SI, IT managed services, and cybersecurity.

Alpine Security is a cybersecurity company. They are headquartered in O'Fallon, Illinois and have a small team. Their team focuses on cybersecurity.

SumnerOne is a telephone answering service launched in 1955. Headquartered in St. Louis, Missouri, their midsize team offers voice services, ECM consulting and SI, IT managed services, and cybersecurity.

SSE is a IT strategy consulting company launched in 1966. The midsize team focuses on IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services. The company is in St. Louis, Missouri; Jacksonville, Florida and St. Louis, Missouri.

In St. Louis, Missouri, TierPoint is a data analytics company. The midsize team focuses on BI & big data consulting & SI, cloud consulting & SI, cybersecurity, and IT managed services. The company was founded in 2010.

Mechcubei Solutions Pvt.Ltd. Is a mobile application development firm. The small Sahibzada Ajit Singh Nagar, India-based company was established in 2019. Their team provides mobile app development, ux/ui design, cybersecurity, web design, and 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.

TierPoint is an IT strategy consulting company. The St. Louis, Missouri-based agency was founded in 2010. The midsize team focuses on IT strategy consulting, cloud consulting & SI, cybersecurity, IT managed services, and more.

Ross Technologies is an IT services company that was founded in 1997. It employs about 69 people across two offices: its Baltimore headquarters and St. Louis location. Ross Technologies specializes in cybersecurity, custom software development, web development, and Big Data consulting and SI. Its clients are mostly government agencies.  

Computerease Group, Inc, a small cybersecurity company, is headquartered in Collinsville, Illinois; St. Louis, Missouri; Oak Brook, Illinois and Springfield, Illinois. Launched in 1984, the team specializes in cybersecurity, IT managed services, and cloud consulting & SI.

Established in 2018, Capnion is a cybersecurity company. They are located in St. Louis, Missouri and have a small team. The company specializes in cybersecurity, custom software development, Artificial Intelligence, and ai consulting.

Computerease, an IT strategy consulting company, was established in 1984. Their small team is located in St. Louis, Missouri; Collinsville, Illinois; Oak Brook, Illinois and Springfield, Illinois. Their services include IT strategy consulting, cybersecurity, IT managed services, and other IT consulting and SI.

Headquartered in Richmond Heights, Missouri, Acumen Consulting is a small IT managed services company. They specialize in IT managed services, IT strategy consulting, and cybersecurity and were launched in 1994.

IT managed services company Acumen Managed IT Services is headquartered in Richmond Heights, Missouri. The small agency was founded in 1994. Their services include IT managed services, cybersecurity, IT strategy consulting, cloud consulting & SI, and more.

FORVIS is a Springfield, Missouri-based accounting company. The large team offers accounting, business consulting, finance & accounting outsourcing (FAO), and cybersecurity. The company was founded in 1923.

Launched in 2017, Holistix by Utilitra is a IT strategy consulting company. Their midsize team is located in Edwardsville, Illinois. Their services include IT strategy consulting, cybersecurity, IT managed services, IT staff augmentation, and more.

UNCOMN is a cybersecurity company. The midsize team is headquartered in Scott Air Force Base, Illinois. Their services include cybersecurity, custom software development, and IT managed services.

RESULTS Technology is an IT compliance and technology support company based in Lenexa, Kan., with an office in Chesterfield, Mo. The company, founded in 1995, has around 50 employees and provides IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services to small and midmarket companies, institutions, and organizations in the financial services, nonprofit, and other industries.

InterVision Systems is a cybersecurity company. They are based in Chesterfield, Missouri and have a midsize team. Their services include cybersecurity, IT managed services, and cloud consulting & SI.

Cybersecurity company Alliance Technology Partners is headquartered in Chesterfield, Missouri and Grand Rapids, Michigan. The company offers cybersecurity, IT managed services, cloud consulting & SI, IT strategy consulting, and more and is small.The company was established in 2001.

Model 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.

The 20 MSP, a compliance consulting company, was founded in 2013. The firm specializes in compliance consulting and has a midsize team.

Acropolis Technology Group, an IT managed services company, is located in St. Louis, Missouri. They offer IT managed services, IT strategy consulting, and cybersecurity and were established in 1996.

Global Enterprise Services, LLC is a software development company located in St. Louis, Missouri. Launched in 2018, the small team offers custom software development, cybersecurity, IT strategy consulting, IT staff augmentation, and more.

Established in 2012, Harpy IT Solutions is a small IT managed services company. Their team focuses on IT managed services, cybersecurity, IT strategy consulting, web design, and more. The agency is headquartered in St. Louis, Missouri.

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.

CISO Sidekick is a cybersecurity company launched in 2021. The company focuses on cybersecurity and has a small team. The company is based in Chesterfield, Missouri.

Polaris Solutions, LLC is a cloud consulting & SI company launched in 2008. The midsize team provides cloud consulting & SI, cybersecurity, IT managed services, other IT consulting and SI, and more. The agency is located in St. Louis, Missouri and Lombard, Illinois.

Oakwood Systems Group, Inc. Is a cloud consulting & SI company. They are located in St. Louis, Missouri and Lenexa, Kansas and have a midsize team that provides cloud consulting & SI, BI & big data consulting & SI, IT managed services, IT strategy consulting, and more. The firm was established in 1981.