Company lists · Data refreshed October 2026

Top 11 Cybersecurity consulting agencies based in St. Louis, United States

Name: Cybersecurity consulting agencies based in St. Louis, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 27 companies tracked

RevenueBase identified 27 company matches for cybersecurity consulting agencies associated with St. Louis, United States as of October 2026 and tracks 1,018 professional contacts across them, including 115 with verified work emails. Across the United States, New York is the largest hub for this category (273 companies); St. Louis has 27.

This list covers company matches for cybersecurity consulting agencies associated with St. Louis, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built

27Companies

1,018Contacts tracked

115Verified emails

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The 11 largest cybersecurity consulting agencies based in St. Louis, United States

Ranked by team size

Top 11 of 27 company matches for cybersecurity consulting agencies based in St. Louis, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SSE	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	201-500	837 contacts →
	Exact match “Systems Service Enterprises, Inc.(SSE) is a leader in Information Technology, Cybersecurity Compliance, and Training and Technical Data solutions for small-medium sized businesses…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Throttlenet, INC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	11-50	49 contacts →
	Exact match “Your job is not to manage IT infrastructure or Cybersecurity risk.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Speartip	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	51-200	41 contacts →
	Exact match “Virtually anyone can provide you with basic cybersecurity hardware, software and monitoring.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	USA Cyber	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	51-200	19 contacts →
	Exact match “USA Cyber’s origins go back to when Ryan Mortland founded MB Technologies (originally MB Consulting Group).” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	steadycloud.io	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Protecting employees, company resources and IT infrastructures.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Lantern Security	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Our areas of specialty include: Security Testing - Assisting organizations in assessing and challenging their security controls Digital Forensics - Collecting and analyzing…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Cadence Privacy Consulting	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “We provide a myriad of data-driven consulting services, including data privacy, AI & Data Governance, Information Security, and Risk Management.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Alfizo LLC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Alfizo LLC is a boutique IT consulting company focused on strategic and C-Suite advisory services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Vonwel Consulting LLC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Vonwel Consulting LLC is an IT Security company that focuses on securing your digital information so you can grow your business.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Eirvon Tech Services LLC	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Eirvon Tech Services provides smart IT consulting, secure infrastructure solutions, and training for the next generation of tech professionals.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Black Creek Cyber Security	Exact match	St. Louis, MO, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “With over 17 years of Private Equity experience, Black Creek is uniquely positioned to help small businesses ($15-150mm in revenue) and their financial sponsors make complicated…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity consulting agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 11 of 27 cybersecurity consulting agencies based in St. Louis, United States

See the full list, filter by size, metro and specialty, and access 115 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity consulting agencies based in St. Louis, United States at a glance

As of Oct 1, 2026

11.3%Verified-email coverage

37.7Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

5,001-10,000

Email recency for this list is measured across the whole United States list rather than for St. Louis, so it is reported there. Company counts and contact totals on this page are exact for St. Louis, over 27 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with St. Louis, United States whose business descriptions match “cybersecurity consulting agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 115 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 1, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Cybersecurity consulting agencies by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity consulting agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity consulting agencies are there based in St. Louis, United States?

RevenueBase identified 27 company matches for cybersecurity consulting agencies associated with St. Louis, United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

SSE tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most cybersecurity consulting agencies?

New York leads the United States with 273 company records, followed by Washington (175) and Houston (153). St. Louis has 27.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 115 professional contacts with verified work emails tracked across these 27 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.