Top 60 Cybersecurity Companies in St. Louis

Need Help Selecting a Company?
Directory image

Top 60 Cybersecurity Companies in St. Louis

The Best of March 2026

Looking for a top cybersecurity consultant in St. Louis?

Check out our list of the best cybersecurity consulting companies to choose a partner that can secure your company. 

List of the Best St. Louis Cybersecurity Consultants

  • 1
    (13 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.9

    Would Recommend

    4.8
    $1,000+
    250 - 999 employees
    St. Louis, MO
    Based 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

    Clients

    Quadratic Insights

    Industries

  • Get connected with a company for free

    Tell us about your project, and we'll match you with vetted companies that meet your requirements.

    Get Started
  • 2
    (22 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.3

    Would Recommend

    4.8
    $5,000+
    1,000 - 9,999 employees
    St. Louis, MO
    Sikich 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

    Industries

  • 3
    (4 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    250 - 999 employees
    St. Louis, MO
    IT managed services company The 20 MSP was founded in 1986. The firm offers IT managed services, cloud consulting & SI, unified communications consulting & SI, Cybersecurity, and more and has a midsize team. The firm is based in Plano, Texas; Enterprise, Alabama; Phoenix, Arizona and Phoenix, Arizona.
    Read More

    Clients

    The Fratelli Group

    Industries

  • 4
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Creve Coeur, MO
    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.
    Read More

    Industries

  • 5
    (2 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.0

    Would Recommend

    4.5
    Undisclosed
    10 - 49 employees
    Olivette, MO

    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.

    Read More

    Industries

  • 6
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    O'Fallon, IL
    Small Cybersecurity company Alpine Security, is in O'Fallon, Illinois. The team focuses on Cybersecurity.
    Read More

    Industries

  • 7
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    Earth City, MO
    IT managed services company Five Nines was established in 2001. The midsize Lincoln, Nebraska-based team offers IT managed services, Cybersecurity, IT strategy consulting, and IT staff augmentation.
    Read More

    Industries

  • 8
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    250 - 999 employees
    St. Louis, MO
    IT 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

    Industries

  • 9
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Collinsville, IL
    Computerease is a small IT strategy consulting company established in 1984. Their services include IT strategy consulting and Cybersecurity.
    Read More

    Industries

  • 10
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    St. Louis, MO
    Mechcubei Solutions is a St. Louis, Missouri-based mobile application development firm. Their services include Mobile App Development and UX/UI Design.
    Read More

    Industries

  • 11
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Richmond Heights, MO
    Launched 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
  • 12
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    St. Louis, MO
    FORVIS is an Accounting company established in 1923. Their team offers Accounting and Business Consulting.
    Read More

    Industries

  • 13
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Edwardsville, IL
    Holistix by Utilitra is an IT strategy consulting company. The Edwardsville, Illinois-based company specializes in IT strategy consulting and Cybersecurity.
    Read More
  • 14
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    St. Louis, MO
    Founded 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

    Industries

  • 15
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    St. Louis, MO
    IT managed services company Acropolis Technology Group was founded in 1996. The midsize team provides IT managed services and IT strategy consulting.
    Read More
  • 16
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Richmond Heights, MO
    IT managed services company Acumen Consulting provides IT managed services and IT strategy consulting. They were founded in 1994.
    Read More

    Industries

  • 17
    (9 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.7
    $5,000+
    250 - 999 employees
    Chesterfield, MO
    Net at Work LLC is an IT managed services company. Their midsize team is based in New York, New York; Hialeah, Florida; Totowa, New Jersey and North Attleborough, Massachusetts. The company offers IT managed services and Cybersecurity.
    Read More

    Industries

  • 18
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    St. Louis, MO
    Launched in 2001, Midwest Networking Services, LLC, a small Cybersecurity company, is in St. Louis, Missouri. Their team provides Cybersecurity and IT managed services.
    Read More

    Industries

  • 19
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    St. Louis, MO
    Cloud consulting & SI company Alambda Systems was founded in 2014. The firm focuses on cloud consulting & SI and Cybersecurity, and is small.
    Read More
  • 20
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    St. Louis, MO
    Polaris Solutions, LLC is an IT managed services company founded in 2008. The agency provides IT managed services and Custom Software Development.
    Read More
  • 21
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    St. Louis, MO
    Road Map Technologies, LLC is a Cybersecurity and Compliance Consulting company. Headquartered in St. Louis, Missouri, the firm provides Cybersecurity and Compliance Consulting.
    Read More
  • 22
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    St. Louis, MO
    SumnerOne is a St. Louis, Missouri-based ECM consulting and SI company. They specialize in ECM consulting and SI and IT managed services.
    Read More
  • 23
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    St. Louis, MO
    TierPoint is a midsize big data analytics company headquartered in St. Louis, Missouri. Their services include BI & big data consulting & SI and cloud consulting & SI.
    Read More
  • 24
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Chesterfield, MO
    Founded in 2001, Alliance Tech is a small IT managed services company. Their team offers IT managed services, Cybersecurity, IT strategy consulting, cloud consulting & SI, and more. The company is headquartered in Chesterfield, Missouri and Grand Rapids, Michigan.
    Read More

    Industries

  • 25
    (1 Reviews) 2.5

    Timeliness

    2.5

    Service Excellence

    4.0

    Value

    4.0

    Would Recommend

    2.5
    Undisclosed
    250 - 999 employees
    St. 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.

    Read More
  • 26
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    50 - 249 employees
    St. Louis, MO
    Established 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 Army

    Industries

  • 27
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    St. Louis, MO
    IT managed services company Da-Com Corporation is located in St. Louis, Missouri and Columbia, Missouri. The team offers IT managed services and Cybersecurity.
    Read More
  • 28
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Collinsville, IL
    Headquartered in Collinsville, Illinois and St. Louis, Missouri, Computerease Group, Inc is a Cybersecurity company. Their services include Cybersecurity and IT managed services.
    Read More
  • 29
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    St. Louis, MO
    Capnion 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
  • 30
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    St. Louis, MO
    Alliance Technologies, LLC, an IT strategy consulting company, was founded in 2009. The team provides IT strategy consulting and cloud consulting & SI and is based in St. Louis, Missouri.
    Read More
  • tracking image tracking image

Get connected with the right company for you

We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.

Schedule Consultation