Company lists · Data refreshed September 2026

Top 25 Industrial cybersecurity training companies based in London, United Kingdom

Name: Industrial cybersecurity training companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 72 companies tracked

RevenueBase identified 72 company matches for industrial cybersecurity training companies associated with London, United Kingdom as of September 2026 and tracks 727 professional contacts across them, including 228 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for industrial cybersecurity training companies associated with London, United Kingdom, 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 28, 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 Sep 28, 2026 How this list was built

72Companies

727Contacts tracked

228Verified emails

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The 25 largest industrial cybersecurity training companies based in London, United Kingdom

Ranked by team size

Top 25 of 72 company matches for industrial cybersecurity training companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Security Blue Team	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	171 contacts →
	Exact match “Security Blue Team is now Centri.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Cybersmart	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	84 contacts →
	Exact match “Cybersecurity should be simple.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Nothreat	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “The future of IoT/OT security is here.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Notsosecure Training Part Of Claranet Cyber Security	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	33 contacts →
	Exact match “NotSoSecure Training, part of Claranet Cyber Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Templar Executives	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	21 contacts →
	Exact match “Templar Executives is an award winning, international Cyber Security advisory services and solutions company operating at the highest levels across the public and private sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Tranchulas	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “Founded in 2006, Tranchulas is a multinational cyber security company having its offices in London, San Francisco, Budapest and Islamabad.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Smartlearning UK	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “We are IT security experts, providing job-ready online training through hands-on and project-based learning” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Hacker Academy	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	15 contacts →
	Exact match “We Help Your Company Culture to Have a Successful Cybersecurity Posture.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	The ZDL Group Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	13 contacts →
	Exact match “Delivering Excellence in Cyber Security At ZDL, we believe that effective risk management requires a holistic 360° approach.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Socguardians LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “Our mission at SOCGuardians is to empower organizations to operate confidently in a digital world by providing cutting-edge cybersecurity services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Deltaflare	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “deltaflare helps critical infrastructure operators modernise securely.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Otifyd	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “We are a next-gen Operational Technology (OT) cybersecurity leader focused on safeguarding industrial environments so that we can fulfil our purpose: Provide best-in-class OT…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Cyberprism	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “CyberPrism safeguards your business-critical Operational Technology (OT).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Pentiq	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “We are a UK-based Cyber Security company offering a comprehensive portfolio specialising in innovative solutions for Penetration Testing, Training, Compliance, Consulting, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Doubleflow	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Doubleflow turns cybersecurity topics into games, escape rooms, and live experiences, tailored to your industry, built to drive real behavior change.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Goldphish	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Protect your organisation from cyber threats with Goldphish - the leading web-based security awareness training platform.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Icyberdefence	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “iCyberDefence is a boutique cybersecurity services firm that offers a wide range of security consulting and security engineering services with the necessary products and tools.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Microsoft Azure Community	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “Community of Azure users.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Cybersync HUB	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “At CyberSync Hub we believe cybersecurity is more than technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Grove Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	3 contacts →
	Exact match “Grove unlocks business success by defending our customers with the most advanced cybersecurity solutions in the market place today.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Trinity OT Security	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Trinity OT Security specialises in cybersecurity solutions, system integration and professional services for Operational Technology (OT) environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Cyber Helmets	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	3 contacts →
	Exact match “Building cybersecurity proficiency through effective, expert-led, hands-on, and custom-built training to deliver real impact where it matters most: At Cyber Helmets, we believe…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Pbosecure Trading AS Cybersys Technologies Ltd. In UK	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “PBOSECURE (Trading as CYBERSYS TECHNOLOGIES)** is a UK-based industrial solutions company specialising in Vapor Recovery Units (VRU), emission reduction technologies, and energy…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Cetome	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “We make cyber work.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Centilon LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “Centilon Limited provides leading edge security solutions, consultancy and bespoke training to organisations that have a requirement to secure & manage their network…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “industrial cybersecurity training companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 72 industrial cybersecurity training companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 228 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial cybersecurity training companies based in London, United Kingdom at a glance

As of Sep 28, 2026

31.4%Verified-email coverage

10.1Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 72 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 London, United Kingdom whose business descriptions match “industrial cybersecurity training 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. 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 228 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 28, 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.

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

How many industrial cybersecurity training companies are there based in London, United Kingdom?

RevenueBase identified 72 company matches for industrial cybersecurity training companies associated with London, United Kingdom 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?

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

Which city in the United Kingdom has the most industrial cybersecurity training companies?

London leads the United Kingdom with 72 company records, followed by Manchester (7) and Oxford (4).

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 228 professional contacts with verified work emails tracked across these 72 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 28, 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.