Company lists · Data refreshed September 2026

Top 25 Cybersecurity consultancy companies based in Atlanta, United States

RevenueBase identified 145 company matches for cybersecurity consultancy companies associated with Atlanta, United States as of September 2026 and tracks 1,247 professional contacts across them, including 457 with verified work emails and 440 with mobile numbers. Across the United States, New York is the largest hub for this category (260 companies); Atlanta has 147.

This list covers company matches for cybersecurity consultancy companies associated with Atlanta, 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 September 10, 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 Sep 10, 2026 How this list was built
145Companies
1,247Contacts tracked
457Verified emails
440Mobile numbers
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The 25 largest cybersecurity consultancy companies based in Atlanta, United States

Ranked by team size
Top 25 of 145 company matches for cybersecurity consultancy companies based in Atlanta, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 10, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-200178 contacts →

Exact match

“Headquartered in Atlanta, Georgia, TekStream is a digital resilience company that helps organizations modernize, secure, and optimize their technology environments.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
2Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-200150 contacts →

Exact match

“From CND in the Cloud to CSfC with Enterprise Remote Capabilities, OSC Edge empowers organizations with solutions that prepare them for today and tomorrow.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
3Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-20089 contacts →

Exact match

“Scybers is a pure-play global cybersecurity firm.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
4Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-20076 contacts →

Exact match

“Leapfrog offers outsourced managed IT + cybersecurity services that are scalable, aligned, and fit easily into your business model.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
5Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-20055 contacts →

Exact match

“Xtreme Solutions, Inc.(XSI) is a Service-Disabled Veteran-Owned, Woman-Owned Small Business (SDVOSB, WOSB) delivering advanced information technology, cybersecurity training, and…”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
6Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-5033 contacts →

Exact match

“Since 2003, TrustNet has helped organizations mitigate cyber risks and achieve compliance efficiently and proactively.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
7Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-20032 contacts →

Exact match

“Fortuna Cysec delivers a comprehensive security ecosystem that seamlessly integrates with your existing infrastructure, offering end-to-end protection with the flexibility to…”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
8Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-5028 contacts →

Exact match

“Red Sentry delivers expert-led penetration testing to help businesses identify and fix security vulnerabilities before attackers can exploit them.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
9Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-20026 contacts →

Exact match

“Genix Cyber - Empowering Cybersecurity Excellence Welcome to Genix Cyber, a distinguished US-based advisory firm founded by former CISOs and Auditors.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
10Exact matchAtlanta, United StatesHQ recorded Sep 10, 202611-5026 contacts →

Exact match

“Secure Cloud Solutions Consulting and Managed Services PurpleBox Security Services include assessment, design, implementation and management of information security, compliance…”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
11Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-5019 contacts →

Exact match

“Safeguard your clouds with complete visibility of every cyber asset.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
12Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-20018 contacts →

Exact match

“About Syba Syba is your smart, silent cyber-bodyguard, protecting you, your family, and your business from the digital threats of everyday life.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
13Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-5015 contacts →

Exact match

“HanaByte is a cybersecurity consultancy offering comprehensive services such as cloud security, security engineering, and compliance advisory services.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
14Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 20261-1015 contacts →

Exact match

“Our team of subject matter experts bring decades of global security experience in some of the most complex and austere environments around the planet.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
15Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-5014 contacts →

Exact match

“Founded in part by former Arthur Andersen and BDO professionals, the NDNB Alliance of Firms is a nationally recognized group of entities specializing in cybersecurity, data…”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-5013 contacts →

Exact match

“Keeping up with the changing data security and compliance requirements is a full-time job.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
17Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-5011 contacts →

Exact match

“Serket-Tech Security helps organizations transform compliance requirements into security advantages.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
18Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 20261-109 contacts →

Exact match

“AssurancePoint is a quality-focused information security audit and compliance advisory firm.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
19Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-509 contacts →

Exact match

“SureShield serves leading healthcare, finance, defense, manufacturing, and other industries, as well as Managed Service Providers, focused on IT risk, security and compliance.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
20Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 20261-108 contacts →

Exact match

“Adversarial Risk Management provides advisory services to cybersecurity startups and advisory work for fast-growing companies needing to establish an effective cyber program.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
21Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-2008 contacts →

Exact match

“Since 2015, Black Breach has established itself as an experienced-based, client-driven cybersecurity consulting and special services firm.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
22Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 20261-107 contacts →

Exact match

“Pillar Technology Partners helps mid-sized organizations protect the data that matters most.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
23Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202651-2005 contacts →

Exact match

“ImagineX is a leading digital services firm whose mission is to help our clients and technologists to #BeBetter.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
24Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-504 contacts →

Exact match

“MaxDefense LLC is a Managed Security Services Provider (MSSP) headquartered in Duluth, GA.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
25Exact matchAtlanta, GA, United StatesHQ recorded Sep 10, 202611-504 contacts →

Exact match

“Delivers high quality innovative cyber security solutions that help protect clients from malicious activity.”

Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase

Showing 25 of 145 cybersecurity consultancy companies based in Atlanta, United States

See the full list, filter by size, metro and specialty, and access 457 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity consultancy companies based in Atlanta, United States at a glance

As of Sep 10, 2026
36.6%Verified-email coverage
35.3%Mobile-number coverage
8.6Average contacts per company
1-10Median size (employees)
Sep 10, 2026Page data refreshed

Companies by employee count

1-10
91
11-50
35
51-200
17
201-500
2

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 13.0d

Company record updated

Median 59.0d

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 Atlanta, United States whose business descriptions match “cybersecurity consultancy companies” 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 457 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 September 10, 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.

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 consultancy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity consultancy companies are there based in Atlanta, United States?

RevenueBase identified 145 company matches for cybersecurity consultancy companies associated with Atlanta, United States as of September 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?

Tekstream Solutions 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 consultancy companies?

New York leads the United States with 260 company records, followed by Washington (168) and Houston (157). Atlanta has 147.

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 457 professional contacts with verified work emails tracked across these 145 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 September 10, 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.