Company lists · Data refreshed September 2026
Top 25 Managed cybersecurity service providers based in Atlanta, United States
RevenueBase identified 130 managed cybersecurity service providers headquartered in Atlanta, United States as of September 2026 and tracks 2,038 professional contacts across them, including 832 with verified work emails. Across the United States, New York is the largest hub for this category (207 companies); Atlanta follows with 130.
This list covers managed 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 28, 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 managed cybersecurity service providers based in Atlanta, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 944 contacts → | ||||
Partial evidence “Secureworks, a Sophos Company, empowers organizations worldwide with advanced Managed Detection and Response (MDR) services, our security operations platform Taegis XDR, and…” Source: RevenueBase Database · checked Sep 28, 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 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 89 contacts → | ||||
Partial evidence “Scybers is a pure-play global cybersecurity firm.” Source: RevenueBase Database · checked Sep 28, 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 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 69 contacts → | ||||
Indirect evidence “Risk3sixty becomes a trusted partner to mid-level and enterprise businesses by helping them secure their attack surface, comply with any framework and optimize their GRC programs…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 63 contacts → | ||||
Partial evidence “As cyber-threats and regulatory mandates continue to expand, organizations are challenged by the difficulties of implementing effective cybersecurity and compliance programs.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 43 contacts → | ||||
Partial evidence “VerSprite was created to fill a void in the area of security managed services where most firms continued to sell security products and services based upon compliance fear factor…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 41 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 40 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 33 contacts → | ||||
Indirect evidence “Since 2003, TrustNet has helped organizations mitigate cyber risks and achieve compliance efficiently and proactively.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 26 contacts → | ||||
Indirect evidence “IT for the People.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 26 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 19 contacts → | ||||
Indirect evidence “Safeguard your clouds with complete visibility of every cyber asset.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Partial evidence “HanaByte is a cybersecurity consultancy offering comprehensive services such as cloud security, security engineering, and compliance advisory services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “Keeping up with the changing data security and compliance requirements is a full-time job.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Indirect evidence “Serket-Tech Security helps organizations transform compliance requirements into security advantages.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 9 contacts → | ||||
Partial evidence “SureShield serves leading healthcare, finance, defense, manufacturing, and other industries, as well as Managed Service Providers, focused on IT risk, security and compliance.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 9 contacts → | ||||
Partial evidence “Bitstream is a Managed Services Provider that specializes in designing, building, and maintaining secure and scalable computer networks.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 8 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 8 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 8 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 contacts → | ||||
Indirect evidence “Design Compliance and Security is a leading provider of compliance and security services to businesses of all sizes throughout the United States.” Source: RevenueBase Database · checked Sep 28, 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: managed 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 managed cybersecurity service providers.
- Partial evidence
- Its own public description names part of managed 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 managed 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 130 managed cybersecurity service providers based in Atlanta, United States
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Managed cybersecurity service providers based in Atlanta, United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Atlanta, so it is reported there. Company counts and contact totals on this page are exact for Atlanta, over 130 companies.
How 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 managed 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 “managed 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 managed 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 managed 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, 832 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 28, 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.
Managed cybersecurity service providers by metro in the United States
- Managed cybersecurity service providers in New York207
- Managed cybersecurity service providers in Houston128
- Managed cybersecurity service providers in Austin115
- Managed cybersecurity service providers in Miami104
- Managed cybersecurity service providers in Tampa103
- Managed cybersecurity service providers in Washington103
- Managed cybersecurity service providers in Dallas101
- Managed cybersecurity service providers in Chicago93
- Managed cybersecurity service providers in San Francisco79
- Managed cybersecurity service providers in San Diego61
- Managed cybersecurity service providers in Charlotte59
- Managed cybersecurity service providers in Los Angeles58
- Managed cybersecurity service providers in Las Vegas57
- Managed cybersecurity service providers in Boston53
- Managed cybersecurity service providers in Denver53
- Managed cybersecurity service providers in Phoenix53
- Managed cybersecurity service providers in Arlington52
- Managed cybersecurity service providers in Columbia51
- Managed cybersecurity service providers in San Antonio48
- Managed cybersecurity service providers in Orlando43
- Managed cybersecurity service providers in Alexandria41
- Managed cybersecurity service providers in Irvine41
- Managed cybersecurity service providers in Raleigh39
- Managed cybersecurity service providers in Reston38
- Managed cybersecurity service providers in Seattle35
- Managed cybersecurity service providers in Fairfax34
- Managed cybersecurity service providers in Fort Lauderdale34
- Managed cybersecurity service providers in Huntsville34
- Managed cybersecurity service providers in Sheridan34
- Managed cybersecurity service providers in Scottsdale33
- Managed cybersecurity service providers in Wilmington33
- Managed cybersecurity service providers in Baltimore32
- Managed cybersecurity service providers in Mclean31
- Managed cybersecurity service providers in Plano31
- Managed cybersecurity service providers in Portland31
- Managed cybersecurity service providers in San Jose31
- Managed cybersecurity service providers in Pittsburgh29
- Managed cybersecurity service providers in Richmond26
- Managed cybersecurity service providers in Colorado Springs25
- Managed cybersecurity service providers in Minneapolis25
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 managed 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 managed cybersecurity service providers are there based in Atlanta, United States?
RevenueBase identified 130 managed 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?
Secureworks, headquartered in Atlanta, tops this list with the largest team on record.
Which city in the United States has the most managed cybersecurity service providers?
New York leads the United States with 207 headquartered companies, followed by Atlanta (130) and Houston (128).
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 832 verified decision-maker contacts tracked across these 130 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 28, 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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