Company lists · Data refreshed November 2026

Top 25 Managed detection and response software companies worldwide

RevenueBase identified 1,494 company matches for managed detection and response software companies worldwide as of November 2026 and tracks 69,934 professional contacts across them, including 33,333 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for managed detection and response software companies 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 managed detection and response software companies 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
1,494Companies
69,934Contacts tracked
33,333Verified emails
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The 25 largest managed detection and response software companies worldwide

Ranked by team size
Top 25 of 1,494 company matches for managed detection and response software companies 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 matchAbingdon, United KingdomHQ recorded Nov 5, 20265,001-10,0005,283 contacts →

Exact match

“Sophos, a global cybersecurity leader, defends more than organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchTinton Falls, United StatesHQ recorded Nov 5, 20261,001-5,0004,279 contacts →

Exact match

“Commvault (NASDAQ: CVLT) is a leader in unified resilience at enterprise scale.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchPlano, TX, United StatesHQ recorded Nov 5, 20261,001-5,0003,510 contacts →

Exact match

“Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchEden Prairie, United StatesHQ recorded Nov 5, 20261,001-5,0003,355 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 · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMountain View, CA, United StatesHQ recorded Nov 5, 20261,001-5,0003,154 contacts →

Exact match

“SentinelOne is the world's leading AI-powered cybersecurity platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBoston, United StatesHQ recorded Nov 5, 20261,001-5,0003,060 contacts →

Exact match

“Rapid7, Inc.(NASDAQ: RPD) is a global leader in AI-powered managed cybersecurity operations, trusted to advance organizations’ cyber resilience.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchMiami, United StatesHQ recorded Nov 5, 20261,001-5,0002,914 contacts →

Exact match

“Varonis unifies AI-native data security, AI security and governance, and behavior-based threat detection.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchCampbell, CA, United StatesHQ recorded Nov 5, 20261,001-5,0002,408 contacts →

Exact match

“Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchTampa, FL, United StatesHQ recorded Nov 5, 20261,001-5,0001,290 contacts →

Exact match

“ReliaQuest exists to Make Security Possible.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchKansas City, MO, United StatesHQ recorded Nov 5, 20261,001-5,000909 contacts →

Exact match

“Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchColumbia, MD, United StatesHQ recorded Nov 5, 2026501-1,000831 contacts →

Exact match

“Protect Your Endpoints, Identities, Logs, and Employees.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchDallas, TX, United StatesHQ recorded Nov 5, 20261,001-5,000829 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSeattle, United StatesHQ recorded Nov 5, 2026501-1,000756 contacts →

Exact match

“ExtraHop is a leader in real-time network intelligence, empowering organizations with the high-fidelity context they need to power security and IT AI automation, detect risks…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchPlano, TX, United StatesHQ recorded Nov 5, 2026501-1,000720 contacts →

Exact match

“Securonix is transforming how security operations are delivered, measured, and scaled.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026501-1,000668 contacts →

Exact match

“BlueVoyant’s Cyber Defense Platform (CDP) integrates MDR, TPRM, and DRP into a seamless, scalable solution.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchPlano, TX, United StatesHQ recorded Nov 5, 2026501-1,000658 contacts →

Exact match

“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchMclean, AZ, United StatesHQ recorded Nov 5, 2026501-1,000623 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 · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSan Diego, CA, United StatesHQ recorded Nov 5, 20261,001-5,000505 contacts →

Exact match

“Cybereason, a LevelBlue company, is a global cybersecurity leader delivering advanced endpoint detection and response (EDR) and industry recognized consulting services to support…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBoca Raton, United StatesHQ recorded Nov 5, 2026201-500496 contacts →

Exact match

“Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026201-500449 contacts →

Exact match

“Torq is the AI SOC platform that combines agentic insights and automation so that enterprises can triage, investigate, and respond to actual risks, faster.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchHerndon, VA, United StatesHQ recorded Nov 5, 2026201-500449 contacts →

Exact match

“Expel is the leading agentic MDR provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchMumbai, IndiaHQ recorded Nov 5, 2026201-500414 contacts →

Exact match

“Enterprise security is too complex, too costly, and too fragmented.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact match경기도, South KoreaHQ recorded Nov 5, 20265,001-10,000411 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchAustin, TX, United StatesHQ recorded Nov 5, 2026201-500361 contacts →

Exact match

“At Ontic, you’ll join a team driven by collaboration, innovation, and a shared sense of purpose.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchSwedenHQ recorded Nov 5, 2026201-500360 contacts →

Exact match

“Prevent Breach & Minimize Impact”

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

Showing 25 of 1,494 managed detection and response software companies worldwide

See the full list, filter by size, metro and specialty, and access 33,333 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed detection and response software companies worldwide at a glance

As of Nov 5, 2026
47.7%Verified-email coverage
46.8Average contacts per company
11-50Median size (employees)
2.4%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
551
11-50
564
51-200
252
201-500
66
501-1,000
22
1,001-5,000
27
5,001-10,000
8
10001+
2

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 detection and response software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “managed detection and response software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. 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 33,333 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.

Managed detection and response software companies by location

10 lists · largest first

Every Managed detection and response software companies 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 “managed detection and response software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed detection and response software companies are there worldwide?

RevenueBase identified 1,494 company matches for managed detection and response software companies 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?

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

Which country has the most managed detection and response software companies?

The United States leads with 500 companies, followed by India (124) and the United Kingdom (85). Every managed detection and response software companies list by country and city is linked on this page.

Which city has the most managed detection and response software companies?

London leads with 36 company records, followed by New York (26) and San Francisco (20).

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 33,333 professional contacts with verified work emails tracked across these 1,494 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.