Company lists · Data refreshed September 2026
Top 25 Managed security services marketing firms worldwide
RevenueBase identified 9,678 company matches for managed security services marketing firms worldwide as of September 2026 and tracks 110,302 professional contacts across them, including 31,489 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for managed security services marketing firms worldwide, 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 28, 2026. Country and city lists for managed security services marketing firms follow the table.
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.
The 25 largest managed security services marketing firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,145 contacts → | ||||
Exact match “Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 1,419 contacts → | ||||
Exact match “See a different world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 1,399 contacts → | ||||
Exact match “Weiser Security Services is the 11th largest security service provider in the U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 1,138 contacts → | ||||
Exact match “At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 1,062 contacts → | ||||
Exact match “Founded in 1982, St.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 1,059 contacts → | ||||
Exact match “WatchGuard® Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 932 contacts → | ||||
Exact match “As an established mid-market company, clients throughout the country entrust us as the best-qualified firm to protect their highest-value assets – while delivering the quality…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 696 contacts → | ||||
Exact match “Protect Your Endpoints, Identities, Logs, and Employees.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 683 contacts → | ||||
Exact match “With 30 years of experience as a trusted managed services provider, we're your dedicated partner in navigating the complex world of technology, so you can focus on growing your…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 612 contacts → | ||||
Exact match “Securitas es el principal socio de servicios de protección inteligente del mundo.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 597 contacts → | ||||
Exact match “Part of ICTS Europe Group, ICTS UK & Ireland is a professional services firm which has been specialised in security risk for the past 39+ years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 594 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 586 contacts → | ||||
Exact match “Advens is a European, independent and outstanding leader in cybersecurity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 545 contacts → | ||||
Exact match “Managing IT systems can be complex and time-consuming, with security risks, outdated infrastructure, and inefficient processes holding your business back.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 538 contacts → | ||||
Exact match “Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 523 contacts → | ||||
Exact match “UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 505 contacts → | ||||
Exact match “At Ntiva, growing people (our employees, partners, and clients) is our mission.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 495 contacts → | ||||
Exact match “VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 489 contacts → | ||||
Exact match “Securitas has operated in the United Arab Emirates since 2009.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 450 contacts → | ||||
Exact match “If you’re a midsize enterprise with employees (i.e, an “MSE” according to Gartner), we know what you’re going through.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 416 contacts → | ||||
Exact match “United Security Inc.(USI) provides personalized security solutions enhanced by advanced technology and cyber services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 392 contacts → | ||||
Exact match “DYOPATH, a leading Managed Service Provider (MSP) was founded to empower organizations by delivering trusted IT solutions that are grounded in accountability resulting in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 389 contacts → | ||||
Exact match “Guardian Alarm is one of the largest independently-owned security companies protecting both homes and businesses throughout the Midwest.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 389 contacts → | ||||
Exact match “Computer Solutions: Trusted Managed IT Services and Cybersecurity Partner in San Antonio, Texas For more than 46 years, Computer Solutions has helped businesses, schools…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 378 contacts → | ||||
Exact match “IVRI, Istituti di Vigilanza Riuniti d’Italia, è leader nel settore della sicurezza su tutto il territorio nazionale, con specifiche competenze nella progettazione di attività…” Recorded in the RevenueBase company graph · Sep 28, 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 “managed security services marketing 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 9,678 managed security services marketing firms worldwide
See the full list, filter by size, metro and specialty, and access 31,489 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Managed security services marketing firms worldwide at a glance
As of Sep 28, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for managed security services marketing firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “managed security services marketing 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. 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 31,489 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 28, 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.
Managed security services marketing firms by location
59 lists · largest firstEvery Managed security services marketing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Managed security services marketing firms based in the United States3,420
- Managed security services marketing firms based in India770
- Managed security services marketing firms based in the United Kingdom612
- Managed security services marketing firms based in Canada432
- Managed security services marketing firms based in Australia292
- Managed security services marketing firms based in Brazil267
- Managed security services marketing firms based in Germany179
- Managed security services marketing firms based in South Africa140
- Managed security services marketing firms based in France138
- Managed security services marketing firms based in the United Arab Emirates132
- Managed security services marketing firms based in Spain117
- Managed security services marketing firms based in Italy107
- Managed security services marketing firms based in the Netherlands95
- Managed security services marketing firms based in Mexico70
- Managed security services marketing firms based in Israel58
- Managed security services marketing firms based in New Zealand46
- Managed security services marketing firms based in Malaysia45
- Managed security services marketing firms based in Ireland44
- Managed security services marketing firms based in Türkiye44
- Managed security services marketing firms based in Poland42
- Managed security services marketing firms based in Singapore40
- Managed security services marketing firms based in the Philippines39
- Managed security services marketing firms based in Belgium38
- Managed security services marketing firms based in Switzerland34
- Managed security services marketing firms based in Indonesia27
- Managed security services marketing firms based in Sweden25
Cities
- Managed security services marketing firms based in London, United Kingdom178
- Managed security services marketing firms based in Pune, India95
- Managed security services marketing firms based in New York, United States94
- Managed security services marketing firms based in Dubai, United Arab Emirates88
- Managed security services marketing firms based in Toronto, Canada85
- Managed security services marketing firms based in Sao Paulo, Brazil68
- Managed security services marketing firms based in Houston, United States55
- Managed security services marketing firms based in Austin, United States54
- Managed security services marketing firms based in Miami, United States51
- Managed security services marketing firms based in New Delhi, India50
- Managed security services marketing firms based in Dallas, United States48
- Managed security services marketing firms based in Los Angeles, United States45
- Managed security services marketing firms based in Chicago, United States44
- Managed security services marketing firms based in Denver, United States44
- Managed security services marketing firms based in Atlanta, United States43
- Managed security services marketing firms based in Melbourne, Australia42
- Managed security services marketing firms based in Sydney, Australia42
- Managed security services marketing firms based in Tampa, United States42
- Managed security services marketing firms based in Bangalore, India38
- Managed security services marketing firms based in Chennai, India37
- Managed security services marketing firms based in San Francisco, United States37
- Managed security services marketing firms based in Charlotte, United States35
- Managed security services marketing firms based in Phoenix, United States35
- Managed security services marketing firms based in Mississauga, Canada34
- Managed security services marketing firms based in Singapore, Singapore33
- Managed security services marketing firms based in Calgary, Canada31
- Managed security services marketing firms based in Washington, United States31
- Managed security services marketing firms based in Johannesburg, South Africa28
- Managed security services marketing firms based in Orlando, United States27
- Managed security services marketing firms based in Cape Town, South Africa26
- Managed security services marketing firms based in San Diego, United States26
- Managed security services marketing firms based in Auckland, New Zealand25
- Managed security services marketing firms based in Las Vegas, United States25
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 “managed security services marketing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many managed security services marketing firms are there worldwide?
RevenueBase identified 9,678 company matches for managed security services marketing firms worldwide 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?
Arctic Wolf tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most managed security services marketing firms?
The United States leads with 3,420 companies, followed by India (770) and the United Kingdom (612). Every managed security services marketing firms list by country and city is linked on this page.
Which city has the most managed security services marketing firms?
London leads with 186 company records, followed by Pune (95) and New York (94).
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 31,489 professional contacts with verified work emails tracked across these 9,678 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 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 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.
More company lists
Company intelligence · public preview
Top 25 managed security services marketing firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 9,678 matching company records for managed security services marketing firms worldwide, with 110,302 tracked contacts and 31,489 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 managed security services marketing firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Arctic Wolfarcticwolf.comHQ: Eden Prairie, MN, United StatesReported employees: 1,001-5,000 | Eden Prairie, MN, United States | 1,001-5,000 | Exact match | 3,145 contacts → |
“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Securitas Belgiumsecuritas.beHQ: Diegem, BelgiumReported employees: 5,001-10,000 | Diegem, Belgium | 5,001-10,000 | Exact match | 1,419 contacts → |
“See a different world.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Weiser Security Services, INCweisersecurity.comHQ: New Orleans, LA, United StatesReported employees: 1,001-5,000 | New Orleans, LA, United States | 1,001-5,000 | Exact match | 1,399 contacts → |
“Weiser Security Services is the 11th largest security service provider in the U.S.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Titan Security Grouptitan-security.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,138 contacts → |
“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  St. Moritz Security Services, INCsmssi.comHQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 1,062 contacts → |
“Founded in 1982, St.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Watchguard Technologieswatchguard.comHQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 1,059 contacts → |
“WatchGuard® Technologies, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  First Coast Securityfcssecurity.usHQ: Jacksonville, FL, United StatesReported employees: 5,001-10,000 | Jacksonville, FL, United States | 5,001-10,000 | Exact match | 932 contacts → |
“As an established mid-market company, clients throughout the country entrust us as the best-qualified firm to protect their highest-value assets – while delivering the quality…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Huntresshuntress.comHQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 696 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  IT Solutionsitsolutions-inc.comHQ: Fort Washington, PA, United StatesReported employees: 501-1,000 | Fort Washington, PA, United States | 501-1,000 | Exact match | 683 contacts → |
“With 30 years of experience as a trusted managed services provider, we're your dedicated partner in navigating the complex world of technology, so you can focus on growing your…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Securitas Uruguaysecuritasuruguay.comHQ: Montevideo, UruguayReported employees: 1,001-5,000 | Montevideo, Uruguay | 1,001-5,000 | Exact match | 612 contacts → |
“Securitas es el principal socio de servicios de protección inteligente del mundo.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Icts UK & Irelandicts.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 597 contacts → |
“Part of ICTS Europe Group, ICTS UK & Ireland is a professional services firm which has been specialised in security risk for the past 39+ years.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Levelbluelevelblue.comHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 594 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Advensadvens.comHQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 586 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Lucidity Cloud Serviceslucidity.co.nzHQ: Auckland, New ZealandReported employees: Not recorded | Auckland, New Zealand | Not recorded | Exact match | 545 contacts → |
“Managing IT systems can be complex and time-consuming, with security risks, outdated infrastructure, and inefficient processes holding your business back.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Byblos Groupbyblos-group-holding.comHQ: Lissieu, FranceReported employees: 1,001-5,000 | Lissieu, France | 1,001-5,000 | Exact match | 538 contacts → |
“Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ultraviolet Cyberuvcyber.comHQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 523 contacts → |
“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Ntiva, INCntiva.comHQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 505 contacts → |
“At Ntiva, growing people (our employees, partners, and clients) is our mission.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Vc3vc3.comHQ: Columbia, SC, United StatesReported employees: 501-1,000 | Columbia, SC, United States | 501-1,000 | Exact match | 495 contacts → |
“VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Securitas UAEsecuritas.aeHQ: Dubai, United Arab EmiratesReported employees: 10001+ | Dubai, United Arab Emirates | 10001+ | Exact match | 489 contacts → |
“Securitas has operated in the United Arab Emirates since 2009.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Meriplexmeriplex.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 450 contacts → |
“If you’re a midsize enterprise with employees (i.e, an “MSE” according to Gartner), we know what you’re going through.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  United Security, Inc. USIusisecurity.comHQ: Red Bank, NJ, United StatesReported employees: 1,001-5,000 | Red Bank, NJ, United States | 1,001-5,000 | Exact match | 416 contacts → |
“United Security Inc.(USI) provides personalized security solutions enhanced by advanced technology and cyber services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Dyopathdyopath.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 392 contacts → |
“DYOPATH, a leading Managed Service Provider (MSP) was founded to empower organizations by delivering trusted IT solutions that are grounded in accountability resulting in…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Guardian Alarmguardianalarm.comHQ: Southfield, MI, United StatesReported employees: 501-1,000 | Southfield, MI, United States | 501-1,000 | Exact match | 389 contacts → |
“Guardian Alarm is one of the largest independently-owned security companies protecting both homes and businesses throughout the Midwest.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Computer Solutionscomsoltx.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 389 contacts → |
“Computer Solutions: Trusted Managed IT Services and Cybersecurity Partner in San Antonio, Texas For more than 46 years, Computer Solutions has helped businesses, schools…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Milano, ItalyReported employees: 5,001-10,000 | Milano, Italy | 5,001-10,000 | Exact match | 378 contacts → |
“IVRI, Istituti di Vigilanza Riuniti d’Italia, è leader nel settore della sicurezza su tutto il territorio nazionale, con specifiche competenze nella progettazione di attività…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,678 company matches
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Managed security services marketing firms: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
9,657 records in the displayed employee bands.
21 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 9,678 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Managed security services marketing firms by location
59 lists · largest firstEvery Managed security services marketing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Managed security services marketing firms based in the United States3,420
- Managed security services marketing firms based in India770
- Managed security services marketing firms based in the United Kingdom612
- Managed security services marketing firms based in Canada432
- Managed security services marketing firms based in Australia292
- Managed security services marketing firms based in Brazil267
- Managed security services marketing firms based in Germany179
- Managed security services marketing firms based in South Africa140
- Managed security services marketing firms based in France138
- Managed security services marketing firms based in the United Arab Emirates132
- Managed security services marketing firms based in Spain117
- Managed security services marketing firms based in Italy107
- Managed security services marketing firms based in the Netherlands95
- Managed security services marketing firms based in Mexico70
- Managed security services marketing firms based in Israel58
- Managed security services marketing firms based in New Zealand46
- Managed security services marketing firms based in Malaysia45
- Managed security services marketing firms based in Ireland44
- Managed security services marketing firms based in Türkiye44
- Managed security services marketing firms based in Poland42
- Managed security services marketing firms based in Singapore40
- Managed security services marketing firms based in the Philippines39
- Managed security services marketing firms based in Belgium38
- Managed security services marketing firms based in Switzerland34
- Managed security services marketing firms based in Indonesia27
- Managed security services marketing firms based in Sweden25
Cities
- Managed security services marketing firms based in London, United Kingdom178
- Managed security services marketing firms based in Pune, India95
- Managed security services marketing firms based in New York, United States94
- Managed security services marketing firms based in Dubai, United Arab Emirates88
- Managed security services marketing firms based in Toronto, Canada85
- Managed security services marketing firms based in Sao Paulo, Brazil68
- Managed security services marketing firms based in Houston, United States55
- Managed security services marketing firms based in Austin, United States54
- Managed security services marketing firms based in Miami, United States51
- Managed security services marketing firms based in New Delhi, India50
- Managed security services marketing firms based in Dallas, United States48
- Managed security services marketing firms based in Los Angeles, United States45
- Managed security services marketing firms based in Chicago, United States44
- Managed security services marketing firms based in Denver, United States44
- Managed security services marketing firms based in Atlanta, United States43
- Managed security services marketing firms based in Melbourne, Australia42
- Managed security services marketing firms based in Sydney, Australia42
- Managed security services marketing firms based in Tampa, United States42
- Managed security services marketing firms based in Bangalore, India38
- Managed security services marketing firms based in Chennai, India37
- Managed security services marketing firms based in San Francisco, United States37
- Managed security services marketing firms based in Charlotte, United States35
- Managed security services marketing firms based in Phoenix, United States35
- Managed security services marketing firms based in Mississauga, Canada34
- Managed security services marketing firms based in Singapore, Singapore33
- Managed security services marketing firms based in Calgary, Canada31
- Managed security services marketing firms based in Washington, United States31
- Managed security services marketing firms based in Johannesburg, South Africa28
- Managed security services marketing firms based in Orlando, United States27
- Managed security services marketing firms based in Cape Town, South Africa26
- Managed security services marketing firms based in San Diego, United States26
- Managed security services marketing firms based in Auckland, New Zealand25
- Managed security services marketing firms based in Las Vegas, United States25
Questions about this company list
What does Exact match mean for managed security services marketing firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many managed security services marketing firms did RevenueBase find worldwide?
The saved snapshot records 9,678 matching company records, 110,302 tracked contacts and 31,489 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 managed security services marketing firms worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/managed-security-services-marketing-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 managed security services marketing firms worldwide
RevenueBase records 9,678 matching company records for managed security services marketing firms worldwide, with 110,302 tracked contacts and 31,489 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 managed security services marketing firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Arctic Wolfarcticwolf.com HQ: Eden Prairie, MN, United StatesReported employees: 1,001-5,000 | Eden Prairie, MN, United States | 1,001-5,000 | Exact match | 3,145 contacts → |
“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Securitas Belgiumsecuritas.be HQ: Diegem, BelgiumReported employees: 5,001-10,000 | Diegem, Belgium | 5,001-10,000 | Exact match | 1,419 contacts → |
“See a different world.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Weiser Security Services, INCweisersecurity.com HQ: New Orleans, LA, United StatesReported employees: 1,001-5,000 | New Orleans, LA, United States | 1,001-5,000 | Exact match | 1,399 contacts → |
“Weiser Security Services is the 11th largest security service provider in the U.S.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Titan Security Grouptitan-security.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,138 contacts → |
“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | St. Moritz Security Services, INCsmssi.com HQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 1,062 contacts → |
“Founded in 1982, St.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Watchguard Technologieswatchguard.com HQ: Seattle, WA, United StatesReported employees: 1,001-5,000 | Seattle, WA, United States | 1,001-5,000 | Exact match | 1,059 contacts → |
“WatchGuard® Technologies, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | First Coast Securityfcssecurity.us HQ: Jacksonville, FL, United StatesReported employees: 5,001-10,000 | Jacksonville, FL, United States | 5,001-10,000 | Exact match | 932 contacts → |
“As an established mid-market company, clients throughout the country entrust us as the best-qualified firm to protect their highest-value assets – while delivering the quality…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Huntresshuntress.com HQ: Columbia, MD, United StatesReported employees: 501-1,000 | Columbia, MD, United States | 501-1,000 | Exact match | 696 contacts → |
“Protect Your Endpoints, Identities, Logs, and Employees.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | IT Solutionsitsolutions-inc.com HQ: Fort Washington, PA, United StatesReported employees: 501-1,000 | Fort Washington, PA, United States | 501-1,000 | Exact match | 683 contacts → |
“With 30 years of experience as a trusted managed services provider, we're your dedicated partner in navigating the complex world of technology, so you can focus on growing your…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Securitas Uruguaysecuritasuruguay.com HQ: Montevideo, UruguayReported employees: 1,001-5,000 | Montevideo, Uruguay | 1,001-5,000 | Exact match | 612 contacts → |
“Securitas es el principal socio de servicios de protección inteligente del mundo.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Icts UK & Irelandicts.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 597 contacts → |
“Part of ICTS Europe Group, ICTS UK & Ireland is a professional services firm which has been specialised in security risk for the past 39+ years.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Levelbluelevelblue.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 594 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Advensadvens.com HQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 586 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lucidity Cloud Serviceslucidity.co.nz HQ: Auckland, New ZealandReported employees: Not recorded | Auckland, New Zealand | Not recorded | Exact match | 545 contacts → |
“Managing IT systems can be complex and time-consuming, with security risks, outdated infrastructure, and inefficient processes holding your business back.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Byblos Groupbyblos-group-holding.com HQ: Lissieu, FranceReported employees: 1,001-5,000 | Lissieu, France | 1,001-5,000 | Exact match | 538 contacts → |
“Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ultraviolet Cyberuvcyber.com HQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 523 contacts → |
“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ntiva, INCntiva.com HQ: Mclean, VA, United StatesReported employees: 501-1,000 | Mclean, VA, United States | 501-1,000 | Exact match | 505 contacts → |
“At Ntiva, growing people (our employees, partners, and clients) is our mission.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vc3vc3.com HQ: Columbia, SC, United StatesReported employees: 501-1,000 | Columbia, SC, United States | 501-1,000 | Exact match | 495 contacts → |
“VC3 is a managed IT and cybersecurity services provider serving organizations throughout the US and Canada.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Securitas UAEsecuritas.ae HQ: Dubai, United Arab EmiratesReported employees: 10001+ | Dubai, United Arab Emirates | 10001+ | Exact match | 489 contacts → |
“Securitas has operated in the United Arab Emirates since 2009.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Meriplexmeriplex.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 450 contacts → |
“If you’re a midsize enterprise with employees (i.e, an “MSE” according to Gartner), we know what you’re going through.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | United Security, Inc. USIusisecurity.com HQ: Red Bank, NJ, United StatesReported employees: 1,001-5,000 | Red Bank, NJ, United States | 1,001-5,000 | Exact match | 416 contacts → |
“United Security Inc.(USI) provides personalized security solutions enhanced by advanced technology and cyber services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Dyopathdyopath.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 392 contacts → |
“DYOPATH, a leading Managed Service Provider (MSP) was founded to empower organizations by delivering trusted IT solutions that are grounded in accountability resulting in…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Guardian Alarmguardianalarm.com HQ: Southfield, MI, United StatesReported employees: 501-1,000 | Southfield, MI, United States | 501-1,000 | Exact match | 389 contacts → |
“Guardian Alarm is one of the largest independently-owned security companies protecting both homes and businesses throughout the Midwest.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Computer Solutionscomsoltx.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 389 contacts → |
“Computer Solutions: Trusted Managed IT Services and Cybersecurity Partner in San Antonio, Texas For more than 46 years, Computer Solutions has helped businesses, schools…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Milano, ItalyReported employees: 5,001-10,000 | Milano, Italy | 5,001-10,000 | Exact match | 378 contacts → |
“IVRI, Istituti di Vigilanza Riuniti d’Italia, è leader nel settore della sicurezza su tutto il territorio nazionale, con specifiche competenze nella progettazione di attività…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,678 company matches
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Managed security services marketing firms: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
9,657 records in the displayed employee bands.
21 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 9,678 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Managed security services marketing firms by location
59 lists · largest firstEvery Managed security services marketing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Managed security services marketing firms based in the United States3,420
- Managed security services marketing firms based in India770
- Managed security services marketing firms based in the United Kingdom612
- Managed security services marketing firms based in Canada432
- Managed security services marketing firms based in Australia292
- Managed security services marketing firms based in Brazil267
- Managed security services marketing firms based in Germany179
- Managed security services marketing firms based in South Africa140
- Managed security services marketing firms based in France138
- Managed security services marketing firms based in the United Arab Emirates132
- Managed security services marketing firms based in Spain117
- Managed security services marketing firms based in Italy107
- Managed security services marketing firms based in the Netherlands95
- Managed security services marketing firms based in Mexico70
- Managed security services marketing firms based in Israel58
- Managed security services marketing firms based in New Zealand46
- Managed security services marketing firms based in Malaysia45
- Managed security services marketing firms based in Ireland44
- Managed security services marketing firms based in Türkiye44
- Managed security services marketing firms based in Poland42
- Managed security services marketing firms based in Singapore40
- Managed security services marketing firms based in the Philippines39
- Managed security services marketing firms based in Belgium38
- Managed security services marketing firms based in Switzerland34
- Managed security services marketing firms based in Indonesia27
- Managed security services marketing firms based in Sweden25
Cities
- Managed security services marketing firms based in London, United Kingdom178
- Managed security services marketing firms based in Pune, India95
- Managed security services marketing firms based in New York, United States94
- Managed security services marketing firms based in Dubai, United Arab Emirates88
- Managed security services marketing firms based in Toronto, Canada85
- Managed security services marketing firms based in Sao Paulo, Brazil68
- Managed security services marketing firms based in Houston, United States55
- Managed security services marketing firms based in Austin, United States54
- Managed security services marketing firms based in Miami, United States51
- Managed security services marketing firms based in New Delhi, India50
- Managed security services marketing firms based in Dallas, United States48
- Managed security services marketing firms based in Los Angeles, United States45
- Managed security services marketing firms based in Chicago, United States44
- Managed security services marketing firms based in Denver, United States44
- Managed security services marketing firms based in Atlanta, United States43
- Managed security services marketing firms based in Melbourne, Australia42
- Managed security services marketing firms based in Sydney, Australia42
- Managed security services marketing firms based in Tampa, United States42
- Managed security services marketing firms based in Bangalore, India38
- Managed security services marketing firms based in Chennai, India37
- Managed security services marketing firms based in San Francisco, United States37
- Managed security services marketing firms based in Charlotte, United States35
- Managed security services marketing firms based in Phoenix, United States35
- Managed security services marketing firms based in Mississauga, Canada34
- Managed security services marketing firms based in Singapore, Singapore33
- Managed security services marketing firms based in Calgary, Canada31
- Managed security services marketing firms based in Washington, United States31
- Managed security services marketing firms based in Johannesburg, South Africa28
- Managed security services marketing firms based in Orlando, United States27
- Managed security services marketing firms based in Cape Town, South Africa26
- Managed security services marketing firms based in San Diego, United States26
- Managed security services marketing firms based in Auckland, New Zealand25
- Managed security services marketing firms based in Las Vegas, United States25
Questions about this company list
What does Exact match mean for managed security services marketing firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many managed security services marketing firms did RevenueBase find worldwide?
The saved snapshot records 9,678 matching company records, 110,302 tracked contacts and 31,489 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 managed security services marketing firms worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/managed-security-services-marketing-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗