Company lists · Data refreshed September 2026

Top 25 Multi-cloud security companies based in London, United Kingdom

Name: Multi-cloud security 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 13, 2026 78 companies tracked

RevenueBase identified 78 company matches for multi-cloud security companies associated with London, United Kingdom as of September 2026 and tracks 866 professional contacts across them, including 243 with verified work emails and 61 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for multi-cloud security 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 13, 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 13, 2026 How this list was built

78Companies

866Contacts tracked

243Verified emails

61Mobile numbers

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The 25 largest multi-cloud security companies based in London, United Kingdom

Ranked by team size

Top 25 of 78 company matches for multi-cloud security companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 13, 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	Bulletproof Cyber Security	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	123 contacts →
	Exact match “Bulletproof is now part of WorkNest Secure.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
2	Garrison NOW A Part Of Everfox	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	60 contacts →
	Exact match “Garrison is a London-based cybersecurity company founded in 2014 by David Garfield (CEO) and Henry Harrison (Chief Scientist).” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
3	Senseon	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	54 contacts →
	Exact match “SenseOn deploys alongside all of your existing tools, unifying them into a single investigation plane and augmenting your team with cross-domain correlation, analytics, and…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
4	Dece Software	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	35 contacts →
	Exact match “Intelligent data security platform that unifies Discovery, Classification, Remediation, and Workflow Automation, across Cloud & On-Prem, Structured & Unstructured data.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
5	Encode	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	25 contacts →
	Exact match “Encode is now part of Obrela Security Industries collectively delivering cutting edge Cyber Security Services, empowering organizations to better protect against cyber threats.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
6	Nanjgel Solutions	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	24 contacts →
	Exact match “Nanjgel Solutions is focused on delivering the best IT security for businesses.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
7	CYPRO	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	21 contacts →
	Exact match “Secure.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
8	Sinevis	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	17 contacts →
	Exact match “We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
9	Runecast Solutions	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	15 contacts →
	Exact match “Runecast Solutions Ltd.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
10	Netrascale	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	15 contacts →
	Exact match “At NetraScale, we help businesses navigate the ever-evolving cybersecurity landscape with confidence.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
11	Hyperglance	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	13 contacts →
	Exact match “Experience the cloud management platform of choice for engineers, architects, security, DevOps and FinOps teams worldwide.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
12	Praeferre	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	13 contacts →
	Exact match “Praeferre is an AI-powered cybersecurity company, backed by SFC Capital, shaping the future of business security and compliance.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
13	vdc.cloud	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	12 contacts →
	Exact match “Our mission is to provide business customers with effective cloud network security solutions that enhance productivity, eliminate silos, reduce costs, and achieve digital…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
14	Disclosure Cybersecurity	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	11 contacts →
	Exact match “Disclosure Cybersecurity Ltd is a specialist cyber security company, formed by professionals with extensive experience and wide exposure in the cyber security market.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
15	PC Power International LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	10 contacts →
	Exact match “PC POWER INTERNATIONAL LTD is a computer & network security company based in the City, London, United Kingdom.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
16	Defenx	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	10 contacts →
	Exact match “Defenx is an IT company that has an extensive background in providing businesses with cloud based security solutions and support for their digital infrastructure.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
17	Cykube	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	9 contacts →
	Exact match “Everything Cyber!” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
18	Cyscale	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	8 contacts →
	Exact match “Cyscale is a cloud-native security solution that constantly monitors your cloud environment.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
19	Threat Protect	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	7 contacts →
	Exact match “Threat Protect is a vendor-agnostic cybersecurity, compliance and AI governance partner based in London, working with organisations across finance, legal, energy, pharma…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
20	Mollis Group	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	6 contacts →
	Exact match “Mollis Group is an independent assurance consultancy.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
21	Strata	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	5 contacts →
	Exact match “Automate the boring.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
22	CM Security	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	5 contacts →
	Exact match “CM Security provides a Managed Service of Cloud Security and Protection combined with Professional Services from specialised professionals who’ll help you implement the right mix…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
23	Posetiv Cloud LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	4 contacts →
	Exact match “Welcome to Posetiv, please get in touch to find out how we can transform your cloud experience for the better.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
24	Arco Cyber	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	4 contacts →
	Exact match “Arco Cyber, now part of Sophos, helps security leaders move from point-in-time audits to always-on, evidence-based assurance.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
25	Grove Group	Exact match	London, United KingdomHQ recorded Sep 13, 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 13, 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 “multi-cloud security 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 78 multi-cloud security companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 243 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Multi-cloud security companies based in London, United Kingdom at a glance

As of Sep 13, 2026

28.1%Verified-email coverage

7.0%Mobile-number coverage

11.1Average contacts per company

11-50Median size (employees)

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 16.0d

1920–30

4731–60

161–90

190–180

2180+

Company record updated

Median 65.0d

00–30

35431–60

37561–90

8790–180

50180+

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 “multi-cloud security 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 243 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 13, 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 “multi-cloud security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many multi-cloud security companies are there based in London, United Kingdom?

RevenueBase identified 78 company matches for multi-cloud security 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?

Bulletproof Cyber Security 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 multi-cloud security companies?

London leads the United Kingdom with 78 company records, followed by Manchester (7) and Birmingham (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 243 professional contacts with verified work emails tracked across these 78 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 13, 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.