Company lists · Data refreshed September 2026

Top 25 Gcp security consultants based in the United Kingdom

Name: Gcp security consultants based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 144 companies tracked

RevenueBase identified 144 gcp security consultants headquartered in the United Kingdom as of September 2026 and tracks 1,559 professional contacts across them, including 319 with verified work emails. London is the largest hub.

This list covers gcp security consultants headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

144Companies

1,559Contacts tracked

319Verified emails

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The 25 largest gcp security consultants based in the United Kingdom

Ranked by team size

Top 25 of 144 gcp security consultants based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to gcp security consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	CTS	Partial evidence	Manchester, United KingdomHQ checked Sep 28, 2026	201-500	844 contacts →
	Partial evidence “We are the largest Google Cloud-only digital consultancy in Europe, and our mission is to change the way technology works for business.” Source: RevenueBase Database · checked Sep 28, 2026
2	Turnkey Consulting	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	134 contacts →
	Partial evidence “Turnkey Consulting brings together people, protection, and performance to help the world’s leading companies understand and optimize their risk and security landscape.” Source: RevenueBase Database · checked Sep 28, 2026
3	MDSEC	Strong evidence	Macclesfield, United KingdomHQ checked Sep 28, 2026	11-50	61 contacts →
	Strong evidence “MDSec are a UK based consultancy with a passion for information security.” Source: RevenueBase Database · checked Sep 28, 2026
4	Cyberlab	Strong evidence	Alderley Edge, United KingdomHQ checked Sep 28, 2026	51-200	57 contacts →
	Strong evidence “CyberLab is the UK-leading cyber security consultancy and managed services provider, trusted by over 1,200 enterprise businesses, government departments, and household names to…” Source: RevenueBase Database · checked Sep 28, 2026
5	Cyber Security Specialists	Strong evidence	Altrincham, United KingdomHQ checked Sep 28, 2026	11-50	26 contacts →
	Strong evidence “Based in Manchester UK, we are an independent Cyber Security Consultancy providing Security services across a wide range of markets, from multi-national Corporate Organisations…” Source: RevenueBase Database · checked Sep 28, 2026
6	Chaleit	Strong evidence	Cambridge, United KingdomHQ checked Sep 28, 2026	11-50	21 contacts →
	Strong evidence “Chaleit is a cyber security management consultancy that aligns business context with real-world capability to solve complex risks.” Source: RevenueBase Database · checked Sep 28, 2026
7	LMS Security	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	20 contacts →
	Strong evidence “LMS Security are a fully Independent, privately owned, Internationally recognised and accredited Security Consultancy; owned and built by Electronic and Physical Security…” Source: RevenueBase Database · checked Sep 28, 2026
8	Razorthorn Security	Strong evidence	Tunbridge Wells, United KingdomHQ checked Sep 28, 2026	11-50	19 contacts →
	Strong evidence “Razorthorn Security is a specialist cybersecurity consultancy founded in 2007, with nearly two decades of experience helping organisations protect their data, their systems and…” Source: RevenueBase Database · checked Sep 28, 2026
9	Cloud Fruition Technologies	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	18 contacts →
	Indirect evidence “Technology is changing faster than ever.” Source: RevenueBase Database · checked Sep 28, 2026
10	Mindbridge Consulting	Indirect evidence	Reading, United KingdomHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “Seasoned team of experts in technology and project delivery.” Source: RevenueBase Database · checked Sep 28, 2026
11	Safe Harbour Security	Strong evidence	Derry/londonderry, United KingdomHQ checked Sep 28, 2026	1-10	14 contacts →
	Strong evidence “Safe Harbour Security specialise in penetration testing, ISO consultancy, and governance, risk, and compliance (GRC) services.” Source: RevenueBase Database · checked Sep 28, 2026
12	Hydras	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	10 contacts →
	Strong evidence “Hydras is a Digital & Cloud Transformation Consultancy that specialise in Cyber Security.” Source: RevenueBase Database · checked Sep 28, 2026
13	Toren Consulting LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	8 contacts →
	Partial evidence “Security gets designed into buildings at RIBA 2-3.” Source: RevenueBase Database · checked Sep 28, 2026
14	Cloud9 Security	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial evidence “Navigating Microsoft Cloud security shouldn't feel like walking through fog.” Source: RevenueBase Database · checked Sep 28, 2026
15	RM Information Security	Strong evidence	Manchester, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Strong evidence “RM Information Security are a specialist penetration testing and information security consultancy based in the north of England.” Source: RevenueBase Database · checked Sep 28, 2026
16	Kelltron Consulting Services	Indirect evidence	Aylesbury, United KingdomHQ checked Sep 28, 2026	11-50	7 contacts →
	Indirect evidence “Kelltron Consulting Services is a globally recognized cybersecurity consulting firm with a strong presence in the United Kingdom, United States, and India.” Source: RevenueBase Database · checked Sep 28, 2026
17	Tech Equity	Indirect evidence	Grays, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “Tech Equity offers cloud consulting, design and implementation services” Source: RevenueBase Database · checked Sep 28, 2026
18	Klaatu IT Security LTD	Strong evidence	Swindon, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Strong evidence “Klaatu IT Security is an IT security consultancy and developer.” Source: RevenueBase Database · checked Sep 28, 2026
19	Criticalis	Partial evidence	Milton Keynes, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Criticalis are network security specialists providing expertise through professional services and robust innovative managed services.” Source: RevenueBase Database · checked Sep 28, 2026
20	Mollis Group	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Mollis Group is an independent assurance consultancy.” Source: RevenueBase Database · checked Sep 28, 2026
21	Incursion Cyber Security	Strong evidence	Midsomer Norton, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Strong evidence “Incursion Cyber Security is a boutique, agile, highly-accredited, and experienced consultancy which helps SMEs and enterprises strengthen their cyber security.” Source: RevenueBase Database · checked Sep 28, 2026
22	Cyber Security Partners	Strong evidence	Leeds, United KingdomHQ checked Sep 28, 2026	11-50	4 contacts →
	Strong evidence “At Cyber Security Partners (CSP) we specialise in the provision of Cyber Security Consultancy, Data Protection and Certification and Compliance services including Risk Assessment…” Source: RevenueBase Database · checked Sep 28, 2026
23	Planned Link	Strong evidence	Swindon, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Strong evidence “Specialising in Technical Security in both on-premise infrastructure and the cloud, Planned Link's consultancy team has broad experience spanning Defence, Manufacturing…” Source: RevenueBase Database · checked Sep 28, 2026
24	RMG Cyber	Indirect evidence	Lincoln, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “RMG Cyber Consulting Ltd: Ethical, Client-Led Cybersecurity Solutions At RMG Cyber Consulting Ltd, we believe that cybersecurity shouldn't be shrouded in complexity or compromise.” Source: RevenueBase Database · checked Sep 28, 2026
25	cybercontrols.io	Partial evidence	Morpeth, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “UK-based InfoSec consultancy service” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: gcp security consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names gcp security consultants.
Partial evidence: Its own public description names part of gcp security consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name gcp security consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 144 gcp security consultants based in the United Kingdom

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Gcp security consultants based in the United Kingdom at a glance

As of Sep 28, 2026

20.5%Verified-email coverage

10.8Average contacts per company

1-10Median size (employees)

29.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

108

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 144 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among gcp security consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “gcp security consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names gcp security consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among gcp security consultants, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 319 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Gcp security consultants by metro

Gcp security consultants in London42

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names gcp security consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many gcp security consultants are there based in the United Kingdom?

RevenueBase identified 144 gcp security consultants headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

CTS, headquartered in Manchester Manchester, tops this list with the largest team on record.

Which city has the most gcp security consultants?

London leads with 42 headquartered companies, followed by Manchester (5) and Swindon (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 319 verified decision-maker contacts tracked across these 144 companies.

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 Smart Search, 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.