Company lists · Data refreshed September 2026

Top 25 Safe startup cybersecurity companies worldwide

RevenueBase identified 4,434 company matches for safe startup cybersecurity companies worldwide as of September 2026 and tracks 57,569 professional contacts across them, including 12,978 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for safe startup cybersecurity 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 September 21, 2026. Country and city lists for safe startup cybersecurity 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 Sep 21, 2026 How this list was built
4,434Companies
57,569Contacts tracked
12,978Verified emails
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The 25 largest safe startup cybersecurity companies worldwide

Ranked by team size
Top 25 of 4,434 company matches for safe startup cybersecurity companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchUnited StatesHQ recorded Sep 21, 2026n/a12,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchAbingdon, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 21, 2026501-1,000874 contacts →

Exact match

“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Sep 21, 202651-200506 contacts →

Exact match

“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 21, 2026501-1,000502 contacts →

Exact match

“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchGurgaon, IndiaHQ recorded Sep 21, 2026201-500398 contacts →

Exact match

“ACPL Systems is a pure-play cybersecurity services company focused on helping organisations translate security investments into measurable outcomes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBochum, GermanyHQ recorded Sep 21, 2026501-1,000386 contacts →

Exact match

“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchBonn, GermanyHQ recorded Sep 21, 20261,001-5,000363 contacts →

Exact match

“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact match경기도, South KoreaHQ recorded Sep 21, 20265,001-10,000348 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchAhmedabad, IndiaHQ recorded Sep 21, 2026201-500340 contacts →

Exact match

“TechDefence Labs (TechD Cybersecurity Limited) Award-winning | Innovative | Visionary We empower organizations across the globe to secure their applications, networks, and digital…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchSwedenHQ recorded Sep 21, 2026201-500332 contacts →

Exact match

“Prevent Breach & Minimize Impact”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchCedar Hill, TX, United StatesHQ recorded Sep 21, 2026201-500255 contacts →

Exact match

“Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchScottsdale, AZ, United StatesHQ recorded Sep 21, 202651-200249 contacts →

Exact match

“Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 21, 2026201-500241 contacts →

Exact match

“Cyberani is an Aramco Digital company that is dedicated to safeguarding the digital frontiers of industry leaders and government agencies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchToronto, ON, CanadaHQ recorded Sep 21, 202651-200239 contacts →

Exact match

“Trillium Information Security Systems (TISS) is a leading global provider of cybersecurity solutions and services, established in 2005.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchChantilly, VA, United StatesHQ recorded Sep 21, 2026201-500220 contacts →

Exact match

“For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchBogotá, ColombiaHQ recorded Sep 21, 2026201-500210 contacts →

Exact match

“Netdata is a leading global cybersecurity services partner with more than 200 certified engineers and over 1,500 certifications, widely recognized as a partner of Palo Alto…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchChennai, IndiaHQ recorded Sep 21, 2026201-500205 contacts →

Exact match

“Since we've been the 'Doctors of Network Security' for Indian enterprises, diagnosing vulnerabilities, prescribing the right solutions, and standing by our customers 24x7.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 21, 2026201-500200 contacts →

Exact match

“Agio is a hybrid cybersecurity and managed IT organization that combines predictive intelligence with human brilliance to empower clients with next-generation cyber protection and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchBroomfield, CO, United StatesHQ recorded Sep 21, 2026501-1,000199 contacts →

Exact match

“Webroot, an OpenText company, was the first to harness the cloud and artificial intelligence to stop zero-day threats in real time.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchPleasanton, CA, United StatesHQ recorded Sep 21, 202651-200196 contacts →

Exact match

“SafeAeon leads the industry as a top-tier Cybersecurity-as-a-Service provider, delivering 24x7 premium Managed Security Services with AI-powered and human-driven 24x7 SOC…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchGlobally Distributed, United StatesHQ recorded Sep 21, 2026201-500182 contacts →

Exact match

“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchNoida, IndiaHQ recorded Sep 21, 2026201-500181 contacts →

Exact match

“SDAD Technology Pvt.Ltd.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchMiami, FL, United StatesHQ recorded Sep 21, 202651-200178 contacts →

Exact match

“Global Cyber Certainty Champions, in an uncertain digital world.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchMaple Grove, MN, United StatesHQ recorded Sep 21, 2026201-500176 contacts →

Exact match

“Cyber Advisors is a nationwide leader in cyber security, providing a comprehensive range of Offensive, Defensive, and Risk Management services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 4,434 safe startup cybersecurity companies worldwide

See the full list, filter by size, metro and specialty, and access 12,978 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Safe startup cybersecurity companies worldwide at a glance

As of Sep 21, 2026
22.5%Verified-email coverage
13.0Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
2,599
11-50
1,452
51-200
294
201-500
56
501-1,000
15
1,001-5,000
8
5,001-10,000
3
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 safe startup cybersecurity companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “safe startup cybersecurity 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 12,978 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 21, 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.

Safe startup cybersecurity companies by location

26 lists · largest first

Every Safe startup cybersecurity 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 “safe startup cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many safe startup cybersecurity companies are there worldwide?

RevenueBase identified 4,434 company matches for safe startup cybersecurity companies 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?

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

Which country has the most safe startup cybersecurity companies?

The United States leads with 947 companies, followed by India (557) and the United Kingdom (245). Every safe startup cybersecurity companies list by country and city is linked on this page.

Which city has the most safe startup cybersecurity companies?

London leads with 103 company records, followed by Pune (50) and Paris (48).

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 12,978 professional contacts with verified work emails tracked across these 4,434 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 21, 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.