Company lists · Data refreshed September 2026
Top 25 Cybersecurity service providers based in Atlanta, United States
RevenueBase identified 141 cybersecurity service providers headquartered in Atlanta, United States as of September 2026 and tracks 1,212 professional contacts across them, including 521 with verified work emails and 492 with mobile numbers. New York is the largest hub.
This list covers cybersecurity service providers headquartered in Atlanta, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 10, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest cybersecurity service providers based in Atlanta, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 178 contacts → | ||||
Indirect evidence “Headquartered in Atlanta, Georgia, TekStream is a digital resilience company that helps organizations modernize, secure, and optimize their technology environments.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 2 | 150 contacts → | ||||
Indirect evidence “From CND in the Cloud to CSfC with Enterprise Remote Capabilities, OSC Edge empowers organizations with solutions that prepare them for today and tomorrow.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 3 | 89 contacts → | ||||
Strong evidence “Scybers is a pure-play global cybersecurity firm.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 4 | 76 contacts → | ||||
Strong evidence “Leapfrog offers outsourced managed IT + cybersecurity services that are scalable, aligned, and fit easily into your business model.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 5 | 55 contacts → | ||||
Strong evidence “Xtreme Solutions, Inc.(XSI) is a Service-Disabled Veteran-Owned, Woman-Owned Small Business (SDVOSB, WOSB) delivering advanced information technology, cybersecurity training, and…” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 6 | 41 contacts → | ||||
Indirect evidence “For nearly 30 years, Century Solutions Group has helped small and mid-sized businesses across Atlanta improve security, productivity, and business growth through reliable Managed…” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 7 | 40 contacts → | ||||
Indirect evidence “Cortavo is a managed IT services provider built for growing small and mid-sized organizations that need a simpler, more reliable way to manage their technology.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 8 | 32 contacts → | ||||
Indirect evidence “Fortuna Cysec delivers a comprehensive security ecosystem that seamlessly integrates with your existing infrastructure, offering end-to-end protection with the flexibility to…” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 9 | 26 contacts → | ||||
Indirect evidence “IT for the People.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 10 | 26 contacts → | ||||
Strong evidence “Genix Cyber - Empowering Cybersecurity Excellence Welcome to Genix Cyber, a distinguished US-based advisory firm founded by former CISOs and Auditors.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 11 | 19 contacts → | ||||
Indirect evidence “Safeguard your clouds with complete visibility of every cyber asset.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 12 | 18 contacts → | ||||
Indirect evidence “About Syba Syba is your smart, silent cyber-bodyguard, protecting you, your family, and your business from the digital threats of everyday life.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 13 | 15 contacts → | ||||
Strong evidence “HanaByte is a cybersecurity consultancy offering comprehensive services such as cloud security, security engineering, and compliance advisory services.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 14 | 14 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 15 | 13 contacts → | ||||
Indirect evidence “Keeping up with the changing data security and compliance requirements is a full-time job.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 contacts → | ||||
Indirect evidence “Serket-Tech Security helps organizations transform compliance requirements into security advantages.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 17 | 11 contacts → | ||||
Indirect evidence “We are a Managed Services Security Provider that designs, installs, and services security and fire alarm systems, access control systems, and video surveillance systems.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 18 | 10 contacts → | ||||
Indirect evidence “Odin Enterprises, LLC is a Georgia-based company founded as a security solutions provider specializing in the fields of crisis and risk management, insider threat mitigation…” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Strong evidence “Adversarial Risk Management provides advisory services to cybersecurity startups and advisory work for fast-growing companies needing to establish an effective cyber program.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Strong evidence “Since 2015, Black Breach has established itself as an experienced-based, client-driven cybersecurity consulting and special services firm.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8 contacts → | ||||
Indirect evidence “At SaferWay Technologies, we specialize in providing comprehensive Managed IT Services designed to meet the unique needs of modern businesses.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 22 | 8 contacts → | ||||
Indirect evidence “PlexHosted is a Microsoft CSP Partner and Managed Security Services Provider supporting healthcare and regulated organizations across the United States and Europe.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 23 | 8 contacts → | ||||
Indirect evidence “Symbiosis.io: Securing the Future with Intelligent Convergence.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 contacts → | ||||
Indirect evidence “Pillar Technology Partners helps mid-sized organizations protect the data that matters most.” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 contacts → | ||||
Indirect evidence “Feel like you've outgrown your IT services provider?” Source: RevenueBase Database · checked Sep 10, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cybersecurity service providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names cybersecurity service providers.
- Partial evidence
- Its own public description names part of cybersecurity service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name cybersecurity service providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 141 cybersecurity service providers based in Atlanta, United States
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Cybersecurity service providers based in Atlanta, United States at a glance
As of Sep 10, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 61.0dHow this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cybersecurity service providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Atlanta, United States whose own description of what they do matches “cybersecurity service providers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cybersecurity service providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among cybersecurity service providers, and records with no verified work email. Companies headquartered outside Atlanta are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 521 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Cybersecurity service providers by metro in the United States
- Cybersecurity service providers in New York273
- Cybersecurity service providers in Houston165
- Cybersecurity service providers in Miami146
- Cybersecurity service providers in Washington144
- Cybersecurity service providers in Atlanta144
- Cybersecurity service providers in Austin143
- Cybersecurity service providers in Dallas129
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cybersecurity service providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many cybersecurity service providers are there based in Atlanta, United States?
RevenueBase identified 141 cybersecurity service providers headquartered in Atlanta, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Tekstream Solutions, headquartered in Atlanta, tops this list with the largest team on record.
Which city has the most cybersecurity service providers?
New York leads with 273 headquartered companies, followed by Houston (165) and Miami (146).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 521 verified decision-maker contacts tracked across these 141 companies.
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 Smart Search, 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.
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