Company lists · Data refreshed November 2026

Top 25 Monitored security services worldwide

RevenueBase identified 8,380 company matches for monitored security services worldwide as of November 2026 and tracks 147,389 professional contacts across them, including 22,789 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for monitored security services 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 November 5, 2026. Country and city lists for monitored security services 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
8,380Companies
147,389Contacts tracked
22,789Verified emails
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The 25 largest monitored security services worldwide

Ranked by team size
Top 25 of 8,380 company matches for monitored security services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchGlobal Hq - Versoix, GermanyHQ recorded Nov 5, 202610001+16,176 contacts →

Exact match

“Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America and number one…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchStaines, United KingdomHQ recorded Nov 5, 202610001+6,705 contacts →

Exact match

“Making the world a safer place.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchIssy-les-moulineaux, FranceHQ recorded Nov 5, 202610001+4,112 contacts →

Exact match

“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 20261,001-5,0002,367 contacts →

Exact match

“Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchIrving, TX, United StatesHQ recorded Nov 5, 20261,001-5,0002,178 contacts →

Exact match

“Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchWarrendale, TX, United StatesHQ recorded Nov 5, 20261,001-5,0001,365 contacts →

Exact match

“Vector Security® has protected people and property by providing intelligent security solutions tailored to the needs of the customer for more than 50 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchNorth Kansas City, MO, United StatesHQ recorded Nov 5, 20261,001-5,0001,288 contacts →

Exact match

“Established in Safe Haven Security has grown to become the nation’s largest ADT-authorized dealer, trusted by homeowners and businesses across the country.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchWarsaw, PolandHQ recorded Nov 5, 202610001+1,154 contacts →

Exact match

“Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchOslo, NorwayHQ recorded Nov 5, 20261,001-5,0001,052 contacts →

Exact match

“Sector Alarm er en av Europas ledende leverandører av sikkerhet, og har mer enn 650 fornøyde og trygge kunder i Europa.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchMagdalena Del Mar, PeruHQ recorded Nov 5, 20261,001-5,0001,034 contacts →

Exact match

“Securitas es socio líder en soluciones de protección inteligente.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchWest Palm Beach, TN, United StatesHQ recorded Nov 5, 2026501-1,000927 contacts →

Exact match

“Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchMississauga, NS, CanadaHQ recorded Nov 5, 20261,001-5,000841 contacts →

Exact match

“Chubb provides an unparalleled portfolio of security and life safety solutions to Canadian institutions, businesses and residences.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchUniontown, IL, United StatesHQ recorded Nov 5, 202610001+837 contacts →

Exact match

“Securitas knows Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchCharlotte, SC, United StatesHQ recorded Nov 5, 2026501-1,000798 contacts →

Exact match

“For more than 30 years, CPI Security has been a leader in customized home and business security and home automation services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAlmería, SpainHQ recorded Nov 5, 20261,001-5,000759 contacts →

Exact match

“Grupo Control es una empresa especializada en ofrecer soluciones integrales de seguridad y vigilancia por lo que es una empresa homologada y certificada, con exigentes controles…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchSpainHQ recorded Nov 5, 20261,001-5,000756 contacts →

Exact match

“comienzos de 1989 se funda SABICO SEGURIDAD S.A, estando inscrita en el Registro de Empresas de Seguridad con el nº 1731.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchWarrendale, PA, United StatesHQ recorded Nov 5, 2026501-1,000721 contacts →

Exact match

“Protecting homes and businesses since 1950, Guardian Protection is one of the nation's largest and most highly regarded security companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSan Antonio, TX, United StatesHQ recorded Nov 5, 2026201-500709 contacts →

Exact match

“Pro-Vigil is the smartest, fastest, most reliable, surveillance and monitoring solution, to enable you to focus on your core business, whether that’s in construction, an auto…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchSão José, BrazilHQ recorded Nov 5, 20261,001-5,000677 contacts →

Exact match

“O Grupo Khronos é referência nacional em soluções integradas de segurança, tecnologia e IoT.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBelo Horizonte, BrazilHQ recorded Nov 5, 20261,001-5,000669 contacts →

Exact match

“O grupo Anjos da Guarda iniciou atividades na década de 80.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBoca Raton, FL, United StatesHQ recorded Nov 5, 2026501-1,000617 contacts →

Exact match

“ADT Inc, formerly The ADT Corporation, is an American company that provides residential, small and large business electronic security, fire protection, and other related alarm…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchKingston 5, JamaicaHQ recorded Nov 5, 20261,001-5,000605 contacts →

Exact match

“KingAlarm Systems began operations in March and, in a relatively short time, has become the largest Electronic Security Company not just in Jamaica but the entire Caribbean…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchTulsa, CA, United StatesHQ recorded Nov 5, 2026501-1,000601 contacts →

Exact match

“Alert 360 security is a trusted and best-in-class provider of reliable security solutions for homes and businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchDallas, TX, United StatesHQ recorded Nov 5, 2026201-500593 contacts →

Exact match

“ECAM, a GardaWorld company, provides proactive live video surveillance solutions for businesses and properties in cities all across North America.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchZollikofen, SwitzerlandHQ recorded Nov 5, 2026501-1,000567 contacts →

Exact match

“Securiton AG has been a leading manufacturer and installer of alarm and security systems since 1948 and is part of the Swiss Securitas Group.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 8,380 monitored security services worldwide

See the full list, filter by size, metro and specialty, and access 22,789 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Monitored security services worldwide at a glance

As of Nov 5, 2026
15.5%Verified-email coverage
17.6Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
3,742
11-50
2,849
51-200
1,042
201-500
281
501-1,000
115
1,001-5,000
108
5,001-10,000
17
10001+
24

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 monitored security services are linked below.
What qualifies
Company records worldwide whose business descriptions match “monitored security services” 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 22,789 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 November 5, 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.

Monitored security services by location

26 lists · largest first

Every Monitored security services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “monitored security services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many monitored security services are there worldwide?

RevenueBase identified 8,380 company matches for monitored security services worldwide as of November 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?

Verisure tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most monitored security services?

The United States leads with 2,165 companies, followed by Brazil (741) and the United Kingdom (670). Every monitored security services list by country and city is linked on this page.

Which city has the most monitored security services?

Sao Paulo leads with 115 company records, followed by London (70) and New York (36).

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 22,789 professional contacts with verified work emails tracked across these 8,380 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 November 5, 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.