Company lists · Data refreshed September 2026

Top 25 Cloud security startups worldwide

RevenueBase identified 3,597 company matches for cloud security startups worldwide as of September 2026 and tracks 164,753 professional contacts across them, including 78,557 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cloud security startups 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 27, 2026. Country and city lists for cloud security startups 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 Sep 27, 2026 How this list was built
3,597Companies
164,753Contacts tracked
78,557Verified emails
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The 25 largest cloud security startups worldwide

Ranked by team size
Top 25 of 3,597 company matches for cloud security startups worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchSanta Clara, CA, United StatesHQ recorded Sep 27, 202610001+18,431 contacts →

Exact match

“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchSunnyvale, CA, United StatesHQ recorded Sep 27, 202610001+14,289 contacts →

Exact match

“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchSan Jose, CA, United StatesHQ recorded Sep 27, 202610001+11,169 contacts →

Exact match

“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchRemote, United StatesHQ recorded Sep 27, 20265,001-10,00010,118 contacts →

Exact match

“CrowdStrike (Nasdaq: CRWD), a global cybersecurity leader, has redefined modern security with the world’s most advanced cloud-native platform for protecting critical areas of…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchYoyogi, JapanHQ recorded Sep 27, 20265,001-10,0004,942 contacts →

Exact match

“We’re a global cybersecurity leader, helping to make the world safe for exchanging digital information.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchAbingdon, United KingdomHQ recorded Sep 27, 20265,001-10,0004,925 contacts →

Exact match

“Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchPalo Alto, CA, United StatesHQ recorded Sep 27, 20261,001-5,0004,448 contacts →

Exact match

“Rubrik (NYSE: RBRK), the Security and AI company, operates at the intersection of data protection, cyber resilience and enterprise AI acceleration.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchFoster City, CA, United StatesHQ recorded Sep 27, 20261,001-5,0003,058 contacts →

Exact match

“Qualys, Inc.(NASDAQ: QLYS) is a leading provider of disruptive cloud-based security, compliance and IT solutions with more than subscription customers worldwide, including a…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchSanta Clara, CA, United StatesHQ recorded Sep 27, 20261,001-5,0003,056 contacts →

Exact match

“Netskope (NASDAQ: NTSK), a leader in modern security and networking for the cloud and AI era, addresses the needs of both security and networking teams by providing optimized…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchMountain View, CA, United StatesHQ recorded Sep 27, 20261,001-5,0003,052 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchAustin, TX, United StatesHQ recorded Sep 27, 20261,001-5,0002,886 contacts →

Exact match

“SailPoint equips the modern enterprise to seamlessly manage and secure access to applications and data through the lens of identity – at speed and scale.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchMiami, FL, United StatesHQ recorded Sep 27, 20261,001-5,0002,715 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261,001-5,0002,559 contacts →

Exact match

“Wiz, now part of Google Cloud, protects everything you build and run.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchJersey City, NJ, United StatesHQ recorded Sep 27, 20261,001-5,0002,199 contacts →

Exact match

“AvePoint is the global leader in data protection, unifying data security, governance, and resilience to provide a trusted foundation for AI.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchBucuresti, RomaniaHQ recorded Sep 27, 20261,001-5,0002,172 contacts →

Exact match

“Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchBurlington, MA, United StatesHQ recorded Sep 27, 20261,001-5,0002,163 contacts →

Exact match

“The identity standard for government, finance, and high-assurance organizations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchCampbell, CA, United StatesHQ recorded Sep 27, 20261,001-5,0002,157 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 · Sep 27, 2026 · View company records in RevenueBase
18Exact matchJohns Creek, GA, United StatesHQ recorded Sep 27, 20261,001-5,0001,669 contacts →

Exact match

“BeyondTrust is the global cybersecurity leader protecting Paths to Privilege™.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchEden Prairie, MN, United StatesHQ recorded Sep 27, 20261,001-5,0001,648 contacts →

Exact match

“Fortra delivers AI-amplified cybersecurity solutions that help organizations use and protect data with confidence.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchAustin, TX, United StatesHQ recorded Sep 27, 20261,001-5,0001,636 contacts →

Exact match

“Forcepoint simplifies security for global businesses and governments.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchAustin, TX, United StatesHQ recorded Sep 27, 20261,001-5,0001,252 contacts →

Exact match

“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchAustin, TX, United StatesHQ recorded Sep 27, 202610001+1,217 contacts →

Exact match

“On Dec.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchSanta Clara, CA, United StatesHQ recorded Sep 27, 20261,001-5,0001,184 contacts →

Exact match

“Druva is the leading provider of data security solutions, empowering customers to secure and recover their data from all threats.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchHoofddorp, NetherlandsHQ recorded Sep 27, 20261,001-5,0001,026 contacts →

Exact match

“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchFrisco, TX, United KingdomHQ recorded Sep 27, 2026501-1,000809 contacts →

Exact match

“Netwrix secures the foundation of modern business: data and identity.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 3,597 cloud security startups worldwide

See the full list, filter by size, metro and specialty, and access 78,557 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cloud security startups worldwide at a glance

As of Sep 27, 2026
47.7%Verified-email coverage
45.8Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
1,651
11-50
1,342
51-200
364
201-500
109
501-1,000
42
1,001-5,000
55
5,001-10,000
16
10001+
14

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 cloud security startups are linked below.
What qualifies
Company records worldwide whose business descriptions match “cloud security startups” 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 78,557 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 27, 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.

Cloud security startups by location

23 lists · largest first

Every Cloud security startups 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 “cloud security startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cloud security startups are there worldwide?

RevenueBase identified 3,597 company matches for cloud security startups 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?

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

Which country has the most cloud security startups?

The United States leads with 912 companies, followed by India (400) and the United Kingdom (188). Every cloud security startups list by country and city is linked on this page.

Which city has the most cloud security startups?

London leads with 81 company records, followed by Sao Paulo (51) and Dubai (50).

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 78,557 professional contacts with verified work emails tracked across these 3,597 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 27, 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.