Company lists · Data refreshed September 2026

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

Name: Industrial cybersecurity software 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 63 companies tracked

RevenueBase identified 63 company matches for industrial cybersecurity software companies associated with London, United Kingdom as of September 2026 and tracks 757 professional contacts across them, including 309 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for industrial cybersecurity software 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

63Companies

757Contacts tracked

309Verified emails

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

Ranked by team size

Top 25 of 63 company matches for industrial cybersecurity software 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	RED Sift	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	109 contacts →
	Exact match “Red Sift enables organizations to anticipate, respond to, and recover from cyber attacks while continuing to operate effectively.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Titania LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	88 contacts →
	Exact match “Dedicated to securing the networks society depends on.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	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
4	Cyberowl	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	52 contacts →
	Exact match “CyberOwl helps asset operators in the maritime and critical national infrastructure sectors gain visibility, cyber security and cyber compliance of systems on their distributed…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	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
6	Cyber Energia	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Cyber Energia – Your Comprehensive Cyber Security Solution for a smart & sustainable energy market Cyber Energia is a dynamic managed security service provider offering OT / SCADA…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Infosec K2k	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	18 contacts →
	Exact match “Infosec K2K safeguards your organisation’s most valuable assets with tailored cybersecurity solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Cyberrey	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “Your Trusted Distribution & Security Solutions in Building and Securing Your Digital Ecosystem Cyberrey is a leading distributor of comprehensive cybersecurity solutions…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	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
10	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
11	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
12	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
13	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
14	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
15	Strata	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Automate the boring.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Amovada	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	5 contacts →
	Exact match “Amovada is a leading consultancy specialising in Operational Technology (OT) Cybersecurity for global manufacturing companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Takepoint Research	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	4 contacts →
	Exact match “Takepoint Research is an exclusive analyst firm that specializes in delivering meticulous research and actionable insights for industrial enterprises and their cyber defenders.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	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
19	Dark Taurus	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Dark Taurus are an innovative UK based Cybersecurity Solutions and Advisory company at the forefront of Risk Prevention and Risk Management.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Cerrus	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “IT/OT Convergence - IIoT, IoT solutions - OT Network and Communications- OT CyberSecurity- Nozomi Networks Guardian- OPSWAT OT Security Solutions- LoRaWAN solutions- Satellite…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Cyberrock LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Cyberrock is a cybersecurity company making enterprise-grade protection accessible to small & medium sized businesses and remote workers.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	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
23	Clavisi	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “We are delighted to announce the acquisition of the industry leading PHALANX Clavisi, Cyber Security Platform PREVENT, DETECT, and RESPOND to Cyber Attacks” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Cansol Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	2 contacts →
	Exact match “Founded in 2017, Cansol is a Cyber Security company with office in London and Dubai.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Blacklight AI Owlgaze	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	2 contacts →
	Exact match “OwlGaze is the cybersecurity software company behind Blacklight AI SIEM.” 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 software 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 63 industrial cybersecurity software companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 309 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 28, 2026

40.8%Verified-email coverage

12.0Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 63 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 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. 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 309 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 software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 63 company matches for industrial cybersecurity software 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?

RED Sift 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 software companies?

London leads the United Kingdom with 63 company records, followed by Reading (5) and Edinburgh (3).

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 309 professional contacts with verified work emails tracked across these 63 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.