Company lists · Data refreshed November 2026

Top 25 Cybersecurity integrators based in Japan

RevenueBase identified 167 company matches for cybersecurity integrators associated with Japan as of November 2026 and tracks 5,068 professional contacts across them, including 1,314 with verified work emails. Jing is the largest hub.

This list covers company matches for cybersecurity integrators associated with Japan, 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 6, 2026.

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 6, 2026 How this list was built
167Companies
5,068Contacts tracked
1,314Verified emails
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The 25 largest cybersecurity integrators based in Japan

Ranked by team size
Top 25 of 167 company matches for cybersecurity integrators based in Japan, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchYoyogi, JapanHQ recorded Nov 6, 20265,001-10,0002,797 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact match渋谷区, JapanHQ recorded Nov 6, 2026201-500290 contacts →

Exact match

“HENNGE is Japan’s leading cloud security provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact match港区, JapanHQ recorded Nov 6, 202651-200124 contacts →

Exact match

“FIXER was founded in 2009 in Japan and has been aiming to accelerate cloud computing integration in corporate infrastructures ever since.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchTokyo, JapanHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“VicOne, headquartered in Tokyo, Japan, is a cybersecurity leader for Physical AI, built on proven automotive cybersecurity expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact match新宿区, JapanHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“3.Saas/ASP/IT”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact match渋谷区, JapanHQ recorded Nov 6, 202651-20065 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchTokyo, JapanHQ recorded Nov 6, 2026n/a63 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact match千代田区, JapanHQ recorded Nov 6, 2026501-1,00040 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact match神戸市中央区, JapanHQ recorded Nov 6, 202651-20031 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact match大阪市 淀川区, JapanHQ recorded Nov 6, 202651-20029 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact match新宿区, JapanHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“1.()\t2.\t3.()”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact match文京区, JapanHQ recorded Nov 6, 2026201-50026 contacts →

Exact match

“4 50820128 : 1-5-3 03-5800-4311 1100 ↓”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact match港区, JapanHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Proofpoint, Inc.NASDAQ:PFPT Proofpoint Fortune”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchTokyo, JapanHQ recorded Nov 6, 2026201-50019 contacts →

Exact match

“Protecting the Digital Future with Advanced Threat Detection At NTT Security (Japan) K.K, we specialize in cutting-edge cyber threat detection and response, helping businesses…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact match千代田区, JapanHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“Only humans can counter human-driven threat.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact match港区, JapanHQ recorded Nov 6, 202651-20018 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact match新宿区, JapanHQ recorded Nov 6, 2026201-50017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact match大田区, JapanHQ recorded Nov 6, 2026201-50017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChiyoda-ku, JapanHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“R&d | 500 | ctf”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact match品川区, JapanHQ recorded Nov 6, 20261,001-5,00016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchTokyo, JapanHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Caulis is a cybersecurity startup which is building the open security platform for every single device.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchChiyoda-ku, JapanHQ recorded Nov 6, 2026501-1,00014 contacts →

Exact match

“For over 20 years, NTT has provided proactive cyber defense and services that make use of gathered human resources and intelligence to protect our clients, our society and the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMinato-ku, JapanHQ recorded Nov 6, 202651-20014 contacts →

Exact match

“Sky Arch Networks Co, Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTokyo, JapanHQ recorded Nov 6, 202651-20013 contacts →

Exact match

“Since its founding in in Tokyo, Japan, Humming Heads has put a great amount of efforts in developing cyber security software solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact match千代田区, JapanHQ recorded Nov 6, 20261-1013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 167 cybersecurity integrators based in Japan

See the full list, filter by size, metro and specialty, and access 1,314 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity integrators based in Japan at a glance

As of Nov 6, 2026
25.9%Verified-email coverage
30.3Average contacts per company
11-50Median size (employees)
17.4%Largest-city concentration · Jing
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
44
51-200
46
201-500
12
501-1,000
10
1,001-5,000
7
5,001-10,000
1
10001+
1

Email recency for this list is measured worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 167 companies.

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.
What qualifies
Company records associated with Japan whose business descriptions match “cybersecurity integrators” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,314 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 6, 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.

Cybersecurity integrators by metro

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 “cybersecurity integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity integrators are there based in Japan?

RevenueBase identified 167 company matches for cybersecurity integrators associated with Japan 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?

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

Which city has the most cybersecurity integrators?

Jing leads with 29 company records, followed by Tokyo (23) and Xian (5).

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 1,314 professional contacts with verified work emails tracked across these 167 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 6, 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.