Company lists · Data refreshed October 2026

Top 25 Cybersecurity services firms based in Denver, United States

Name: Cybersecurity services firms based in Denver, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 73 companies tracked

RevenueBase identified 73 company matches for cybersecurity services firms associated with Denver, United States as of October 2026 and tracks 942 professional contacts across them, including 512 with verified work emails. Across the United States, New York is the largest hub for this category (276 companies); Denver has 73.

This list covers company matches for cybersecurity services firms associated with Denver, 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

73Companies

942Contacts tracked

512Verified emails

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The 25 largest cybersecurity services firms based in Denver, United States

Ranked by team size

Top 25 of 73 company matches for cybersecurity services firms based in Denver, 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	RED Canary, A Zscaler Company	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	201-500	408 contacts →
	Exact match “Red Canary stops cyber threats no one else does, so organizations can fearlessly pursue their missions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Directdefense	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	51-200	111 contacts →
	Exact match “DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Ecreek IT Solutions	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	53 contacts →
	Exact match “eCreek IT delivers managed IT services and cybersecurity solutions for small to mid-sized businesses across Denver and the Colorado Front Range.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Accuvant	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	501-1,000	48 contacts →
	Exact match “Accuvant is a leading provider of information security services and solutions serving enterprise-class organizations across North America.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Point Solutions Group, LLC	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	51-200	25 contacts →
	Exact match “While it’s good to have a technology department, sometimes you need to call in freaky smart and talented gals, guys and everyone in between as your go-to fixers.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Analytics Computers	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	21 contacts →
	Exact match “Analytics partners with companies to maximize the growth, success, and prosperity of their business.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Cyber Sainik	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	21 contacts →
	Exact match “Cyber Sainik protects organizations from contemporary, sophisticated threats by delivering enterprise-level tools, methods, procedures, and profound expertise, alongside…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Alchemy Security, LLC	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	18 contacts →
	Exact match “Alchemy Security is a boutique cybersecurity firm dedicated to giving organizations a Defender's Advantage through a suite of innovative products and services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Point Solutions Security	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “Point Solutions Security was born from a belief that anything is possible when you step outside your comfort zone and push boundaries.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Semper SEC	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	1-10	12 contacts →
	Exact match “Semper Sec is a cyber security consulting firm that helps businesses build security programs and navigate compliance in order maintain competitive advantage.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Teamlogic IT Of West Denver	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “How do you feel about your organization's IT and cybersecurity?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Redbot Security	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Securing Critical Data and Systems.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	CP Cyber	Exact match	Denver, United StatesHQ recorded Oct 1, 2026	11-50	5 contacts →
	Exact match “Colorado Cyber Security Consulting Firm We cater our consultative services to companies that want to verify the effectiveness of their information system security measures.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Devildog Cybersecurity	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	5 contacts →
	Exact match “DevilDog specializes in making cybersecurity easy with complete customized security solutions from start to finish.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	PCG Systems	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	5 contacts →
	Exact match “At PCG Systems, we help organizations across industry sectors bring bold strategies to life in unexpected ways.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Cynthetic Systems	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Every Cynthetic Systems engagement is managed and ongoing, not a one-time project.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Lost Rabbit Labs	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “Lost Rabbit Labs offers in-depth and comprehensive security assessments tailored specifically to meet any clients security needs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Class IV	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “IT.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	M2dcon Technologies LLC	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Culture of Awareness Security is more than the sum of its parts Some MSP’s work hard with the technical: Firewalls, patches, anti-virus, web filtering, Zero Trust, SEIM…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Technologywest	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “TechnologyWest is a Colorado-based IT services provider delivering cybersecurity solutions, managed IT services, cloud infrastructure, networking, unified communications, and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Thunder Rock Technologies	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Thunder Rock is a technology company that is dedicated to making sure your business can function optimally and efficiently while reducing waste.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Libertyid	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Why LibertyID?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Cypress Data Defense	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	4 contacts →
	Exact match “At Cypress Data Defense, our goal is to help organizations secure their IT and Application Development Operations using a pragmatic, risk-based approach.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Technology Response Team, LLC	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	11-50	4 contacts →
	Exact match “Is your team losing precious minutes (or hours) with computers being down- Do you know what you would do if your company was attacked by an email phishing scam and all your data…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Tapzeo	Exact match	Denver, CO, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Technology Aligned with your Business.” 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 services firms”. 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 25 of 73 cybersecurity services firms based in Denver, United States

See the full list, filter by size, metro and specialty, and access 512 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity services firms based in Denver, United States at a glance

As of Oct 1, 2026

54.4%Verified-email coverage

12.9Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Denver, so it is reported there. Company counts and contact totals on this page are exact for Denver, over 73 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 Denver, United States whose business descriptions match “cybersecurity services firms” 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 512 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 services firms 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 services firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity services firms are there based in Denver, United States?

RevenueBase identified 73 company matches for cybersecurity services firms associated with Denver, 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?

RED Canary, A Zscaler Company 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 services firms?

New York leads the United States with 276 company records, followed by Washington (154) and Austin (153). Denver has 73.

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 512 professional contacts with verified work emails tracked across these 73 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.