Company lists · Data refreshed November 2026

Top 23 IT security process consultants based in London, United Kingdom

RevenueBase identified 367 company matches for IT security process consultants associated with London, United Kingdom as of November 2026 and tracks 3,842 professional contacts across them, including 666 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for IT security process consultants 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 November 5, 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 5, 2026 How this list was built
367Companies
3,842Contacts tracked
666Verified emails
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The 23 largest IT security process consultants based in London, United Kingdom

Ranked by team size
Top 23 of 367 company matches for IT security process consultants based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchLondon, United KingdomHQ recorded Nov 5, 202651-200125 contacts →

Exact match

“We are TRPGLOBAL, your strategic partner in helping you with the complexities of risk management.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-500104 contacts →

Exact match

“As an independent IT security specialist, Caretower provide comprehensive solutions to individual problems, thus allowing our recommendations to be unbiased.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200102 contacts →

Exact match

“Founded in 1989, the Information Security Forum (ISF) is an independent organisation that is driven by its Members – ranging from Fortune 500 and Forbes listed corporations, to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20066 contacts →

Exact match

“Cyro Cyber are your cyber security Guardians.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“SECFORCE are vendor independent offensive security specialists providing effective business risk intelligence and strategic security consulting.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20043 contacts →

Exact match

“CornerStone is an award winning, independent, security and digital building consulting firm with headquarters in the UK.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5040 contacts →

Exact match

“With offices in London & Sheffield, WWCS delivers Managed IT Services, Cybersecurity and IT Strategy to UK Businesses - built on over 40 years of experience and a genuine…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5027 contacts →

Exact match

“At AmberWolf, we believe that the foundation of exceptional cyber security lies in a dual commitment: to master the intricacies of our clients' businesses and to excel in the vast…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-1026 contacts →

Exact match

“Cyber Rescue is a leading specialist in helping Boardroom Executives to measure, monitor and mitigate potential harm from cyber-attacks.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5024 contacts →

Exact match

“th4ts3cur1ty.company supplies cyber security services internationally.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“ACDS is a team of experts assembled from some of the largest public and private sector organisations in the world, committed to the idea that we can make the digital economy safer.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“Formed in 2018, NGS (UK) Ltd are independent, Next Generation Security trusted advisors, providing all-encompassing solutions from the perimeter to the endpoint.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5019 contacts →

Exact match

“STORM Guidance is an independent, global cyber risk and cyber incident advisory firm.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“RedSecLabs, with its global team of highly respected cybersecurity experts, offers world-class and top-tier cybersecurity consulting services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“At Cyber Chain Alliance, we believe cybersecurity should be accessible to everyone-no matter your industry, the size of your business, or where you are in your journey.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20017 contacts →

Exact match

“Who We Are DataSixth delivers Cybersecurity Intelligence.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Your Trusted Partner in Cybersecurity & 360 IT Support Founded in 2004, VITS has built a reputation for protecting businesses across the globe with robust, responsive, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“LMS Security are a fully Independent, privately owned, Internationally recognised and accredited Security Consultancy; owned and built by Electronic and Physical Security…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“Alltime Technologies Limited is a London based Cyber Security focused Managed Services and Consultancy provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20015 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 · Nov 5, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“Risk Crew is known for their vision, innovative thinking and facility to embrace change.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“At 2|SEC Consulting, we deliver an end-to-end service of cyber and information security solutions which are tailored to each client’s exact security needs.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“Operating in the private and public sectors, Innovate IT Ltd's mission is to accelerate our clients’ ability to adopt new technology and secure their digital future.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 23 of 367 IT security process consultants based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 666 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT security process consultants based in London, United Kingdom at a glance

As of Nov 5, 2026
17.3%Verified-email coverage
10.5Average contacts per company
1-10Median size (employees)
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
254
11-50
85
51-200
19
201-500
8
501-1,000
1

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 367 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 “IT security process consultants” 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 666 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 5, 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.

IT security process consultants by metro in the United Kingdom

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 “IT security process consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT security process consultants are there based in London, United Kingdom?

RevenueBase identified 367 company matches for IT security process consultants associated with London, United Kingdom 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?

Trpglobal 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 IT security process consultants?

London leads the United Kingdom with 367 company records, followed by Manchester (25) and Birmingham (15).

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 666 professional contacts with verified work emails tracked across these 367 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 5, 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.