Company lists · Data refreshed September 2026

Top 25 Medical device cybersecurity consultants based in the United Kingdom

Name: Medical device cybersecurity 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 154 companies tracked

RevenueBase identified 154 medical device cybersecurity consultants headquartered in the United Kingdom as of September 2026 and tracks 1,880 professional contacts across them, including 362 with verified work emails. London is the largest hub.

This list covers medical device cybersecurity 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

154Companies

1,880Contacts tracked

362Verified emails

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The 25 largest medical device cybersecurity consultants based in the United Kingdom

Ranked by team size

Top 25 of 154 medical device cybersecurity 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 medical device cybersecurity 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	Amethyst Risk Management	Strong evidence	Basingstoke, United KingdomHQ checked Sep 28, 2026	11-50	85 contacts →
	Strong evidence “Amethyst Risk Management is a leading cybersecurity consultancy supplying expert services and support to the UK Government, Defence, Operators of Essential Services, and the…” Source: RevenueBase Database · checked Sep 28, 2026
2	Saepio Information Security	Indirect evidence	High Wycombe, United KingdomHQ checked Sep 28, 2026	51-200	74 contacts →
	Indirect evidence “Saepio increase awareness, reduce risk and improve security in a continually evolving threat landscape.” Source: RevenueBase Database · checked Sep 28, 2026
3	Evalian	Indirect evidence	Southampton, United KingdomHQ checked Sep 28, 2026	51-200	60 contacts →
	Indirect evidence “Many organisations are dealing with multiple frameworks, overlapping tools, disconnected ownership, and increasing pressure from regulators, customers, and boards.” Source: RevenueBase Database · checked Sep 28, 2026
4	Cyberlab	Partial evidence	Alderley Edge, United KingdomHQ checked Sep 28, 2026	51-200	57 contacts →
	Partial 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	Rightcue	Partial evidence	Basingstoke, United KingdomHQ checked Sep 28, 2026	11-50	20 contacts →
	Partial evidence “We help organisations achieve business-focused cybersecurity compliance across various industry and regulatory frameworks with successful stakeholder management, particularly in…” Source: RevenueBase Database · checked Sep 28, 2026
6	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
7	Safehand Consulting Limited	Partial evidence	Sheffield, United KingdomHQ checked Sep 28, 2026	11-50	17 contacts →
	Partial evidence “Safehand offers specialist consultancy services to manage risk in the manufacture and implementation of health IT systems.” Source: RevenueBase Database · checked Sep 28, 2026
8	Sinevis	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	17 contacts →
	Partial evidence “We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Source: RevenueBase Database · checked Sep 28, 2026
9	Oxdevice	Strong evidence	Abingdon, United KingdomHQ checked Sep 28, 2026	11-50	16 contacts →
	Strong evidence “OxDevice provides a wide range of services to assist in the development of medical devices, cleanroom manufacturing and associated testing.” Source: RevenueBase Database · checked Sep 28, 2026
10	Protirus	Strong evidence	Newcastle Upon Tyne, United KingdomHQ checked Sep 28, 2026	11-50	15 contacts →
	Strong evidence “Protirus is an independent cybersecurity consultancy that helps large organisations protect what matters and move forward with confidence.” Source: RevenueBase Database · checked Sep 28, 2026
11	Periculo	Partial evidence	United KingdomHQ checked Sep 28, 2026	11-50	13 contacts →
	Partial evidence “Periculo provides specialised cybersecurity for digital health, defence and AI organisations, combining technical expertise and sector-specific knowledge to ensure compliance…” Source: RevenueBase Database · checked Sep 28, 2026
12	Imed Consultancy LTD	Strong evidence	Bloxham, United KingdomHQ checked Sep 28, 2026	11-50	13 contacts →
	Strong evidence “We are a medical device regulatory and quality consulting team working with people and their companies to navigate the minefield of todays global medical device regulations to…” Source: RevenueBase Database · checked Sep 28, 2026
13	Simplimedica LTD	Strong evidence	Edinburgh, United KingdomHQ checked Sep 28, 2026	1-10	12 contacts →
	Strong evidence “Regulatory authorities are now more watchful of Medical Device industry than ever before resulting in warning letters, 483's.” Source: RevenueBase Database · checked Sep 28, 2026
14	Cyberhash UK	Indirect evidence	Maidenhead, United KingdomHQ checked Sep 28, 2026	1-10	10 contacts →
	Indirect evidence “After being frustrated in the way that Cyber Security services were being delivered to organisations, Cyberhash was founded with a fresh approach to Cyber Security - keeping you…” Source: RevenueBase Database · checked Sep 28, 2026
15	Fullproxy	Partial evidence	Glasgow, United KingdomHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “FullProxy are a rapidly growing cyber security consultancy providing world class cyber security advisory and solutions to reduce cyber risk and optimise return on technology…” Source: RevenueBase Database · checked Sep 28, 2026
16	Psephos Biomedica	Strong evidence	Falmer, United KingdomHQ checked Sep 28, 2026	11-50	9 contacts →
	Strong evidence “Psephos Biomedica is a medical device regulatory, clinical and quality consultancy.” Source: RevenueBase Database · checked Sep 28, 2026
17	Icyberdefence	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	8 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
18	Stratia Cyber	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	8 contacts →
	Partial evidence “Stratia Cyber is an independent, technology agnostic company providing high quality, pragmatic cyber security consultancy and expertise, is a founder member of the NCSC Certified…” Source: RevenueBase Database · checked Sep 28, 2026
19	Cortida	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial evidence “Through excellent consultancy we protect clients from reputation damage, financial penalties and the operational disruption associated with data incidents and cyberattacks.” Source: RevenueBase Database · checked Sep 28, 2026
20	Kloudwerk	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.” Source: RevenueBase Database · checked Sep 28, 2026
21	Kelltron Consulting Services	Partial evidence	Aylesbury, United KingdomHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial 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
22	Harvey Medical Clarimed, INC	Partial evidence	Sawston, United KingdomHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial evidence “Harvey Medical is now ClariMed.” Source: RevenueBase Database · checked Sep 28, 2026
23	Klaatu IT Security LTD	Partial evidence	Swindon, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Partial evidence “Klaatu IT Security is an IT security consultancy and developer.” Source: RevenueBase Database · checked Sep 28, 2026
24	Copper Horse LTD	Strong evidence	Bournemouth, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Strong evidence “Copper Horse specialises in connected device security consultancy.” Source: RevenueBase Database · checked Sep 28, 2026
25	Quality First International	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	6 contacts →
	Strong evidence “Quality First International (QFI) is a global consultancy specialising in medical device regulation and compliance.” 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: medical device cybersecurity 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 medical device cybersecurity consultants.
Partial evidence: Its own public description names part of medical device cybersecurity consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name medical device cybersecurity 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 154 medical device cybersecurity consultants based in the United Kingdom

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Medical device cybersecurity consultants based in the United Kingdom at a glance

As of Sep 28, 2026

19.3%Verified-email coverage

12.2Average contacts per company

1-10Median size (employees)

37.0%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

109

11-50

51-200

201-500

501-1,000

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 154 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 medical device cybersecurity 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 “medical device cybersecurity 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 medical device cybersecurity 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 medical device cybersecurity 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, 362 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.

Medical device cybersecurity consultants by metro

Medical device cybersecurity consultants in London57

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 medical device cybersecurity 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 medical device cybersecurity consultants are there based in the United Kingdom?

RevenueBase identified 154 medical device cybersecurity 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?

Amethyst Risk Management, headquartered in Basingstoke, tops this list with the largest team on record.

Which city has the most medical device cybersecurity consultants?

London leads with 57 headquartered companies, followed by Leeds (4) and Manchester (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 362 verified decision-maker contacts tracked across these 154 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.