Company lists · Data refreshed September 2026

Top 25 Privacy engineering companies based in the United Kingdom

Name: Privacy engineering companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 89 companies tracked

RevenueBase identified 89 privacy engineering companies headquartered in the United Kingdom as of September 2026 and tracks 557 professional contacts across them, including 194 with verified work emails. London is the largest hub.

This list covers privacy engineering companies 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 17, 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 17, 2026 86% judged on-target in blind review

89Companies

557Contacts tracked

194Verified emails

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The 25 largest privacy engineering companies based in the United Kingdom

Ranked by team size

Top 25 of 89 privacy engineering companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to privacy engineering companies: 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	Applied Blockchain	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	77 contacts →
	Partial evidence “Applied Blockchain is a specialised development studio advising and delivering blockchain and privacy solutions tailored to a company's specific needs.” Source: RevenueBase Database · checked Sep 17, 2026
2	Data Protection People	Indirect evidence	Leeds, United KingdomHQ checked Sep 17, 2026	11-50	39 contacts →
	Indirect evidence “Data Protection People are specialists in Data Protection and Information Security.” Source: RevenueBase Database · checked Sep 17, 2026
3	Privacy Culture	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	28 contacts →
	Partial evidence “Privacy Culture helps organisations build trust through expert privacy services supported by powerful technology.” Source: RevenueBase Database · checked Sep 17, 2026
4	EXATE	Partial evidence	West End, United KingdomHQ checked Sep 17, 2026	11-50	22 contacts →
	Partial evidence “eXate is a distributed software platform for enforcing data privacy, data protection, and dynamic attribute-based access controls on data in motion and data at rest.” Source: RevenueBase Database · checked Sep 17, 2026
5	ONE Compliance Cyber Limited	Partial evidence	Leeds, United KingdomHQ checked Sep 17, 2026	11-50	20 contacts →
	Partial evidence “One Compliance are data privacy & cyber security specialists that focus on improving our clients security posture so that they can prioritise and mitigate security risks…” Source: RevenueBase Database · checked Sep 17, 2026
6	LEX Dinamica	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	17 contacts →
	Partial evidence “Lex Dinamica is a consulting firm that provides Privacy, AI and Risk solutions.” Source: RevenueBase Database · checked Sep 17, 2026
7	IGS Information Governance Services	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	15 contacts →
	Partial evidence “We are a specialist data protection and data ethics consultancy firm with an expert team of lawyers, consultants and advisors who provide a wide range of data privacy, data…” Source: RevenueBase Database · checked Sep 17, 2026
8	LEGIT	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	13 contacts →
	Partial evidence “Legit is a fast-growing EU-based RegTech company and one of the pioneers in the newly emerged privacy and personal data protection area.” Source: RevenueBase Database · checked Sep 17, 2026
9	Syntonym	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	1-10	13 contacts →
	Indirect evidence “Empowering technologies that rely on camera sensors to perceive the world, without capturing or exposing any personal data.” Source: RevenueBase Database · checked Sep 17, 2026
10	Kazient Privacy Experts Data Protection Made Easy Peasy	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	1-10	13 contacts →
	Partial evidence “At Kazient Privacy Experts, our Privacy, Data Protection and GDPR consultants offer cutting edge, practical and effective solutions for all your privacy and data protection…” Source: RevenueBase Database · checked Sep 17, 2026
11	Data Privacy Simplified LTD	Partial evidence	Bedford, United KingdomHQ checked Sep 17, 2026	1-10	12 contacts →
	Partial evidence “At Data Privacy Simplified, we understand that Data Privacy is not easy.” Source: RevenueBase Database · checked Sep 17, 2026
12	Trust Keith Your Always-On Privacy Partner	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	10 contacts →
	Partial evidence “Trust Keith is the global Privacy Management solution for data-centric SMBs with big ambitions.” Source: RevenueBase Database · checked Sep 17, 2026
13	Grci LAW	Indirect evidence	Cambridge, United KingdomHQ checked Sep 17, 2026	1-10	10 contacts →
	Indirect evidence “Your GDPR and cyber security law experts” Source: RevenueBase Database · checked Sep 17, 2026
14	Privacy Partnership	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	10 contacts →
	Partial evidence “Data Protection and Privacy Law firm, Training and Consultancy.” Source: RevenueBase Database · checked Sep 17, 2026
15	GENXT	Partial evidence	Hinxton, United KingdomHQ checked Sep 17, 2026	11-50	9 contacts →
	Partial evidence “GENXT is a pioneering company in privacy-by-design collaborative data analysis.” Source: RevenueBase Database · checked Sep 17, 2026
16	BOO Consulting Limited	Indirect evidence	Newquay, United KingdomHQ checked Sep 17, 2026	1-10	6 contacts →
	Indirect evidence “Companies don’t struggle with compliance because it’s impossible.” Source: RevenueBase Database · checked Sep 17, 2026
17	Ig-Smart LTD	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	11-50	5 contacts →
	Partial evidence “Business Overview Established in 2009, IG-Smart Ltd is a pioneering force in the realm of data privacy, security, and digital technology consultancy.” Source: RevenueBase Database · checked Sep 17, 2026
18	APIMS	Partial evidence	Leeds/manchester, United KingdomHQ checked Sep 17, 2026	1-10	5 contacts →
	Partial evidence “APIMS was created with a clear mission: to level the playing field in privacy compliance.” Source: RevenueBase Database · checked Sep 17, 2026
19	Verifoxx	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	1-10	4 contacts →
	Indirect evidence “When organisations share data, it drives innovation, leads to better decision making, improved services and even fights crime.” Source: RevenueBase Database · checked Sep 17, 2026
20	Infoshelter LTD	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	1-10	4 contacts →
	Partial evidence “We provide small and medium sized businesses with realistic, actionable solutions to help them meet their information security and privacy related obligations, and ultimately to…” Source: RevenueBase Database · checked Sep 17, 2026
21	Privacycloud	Strong evidence	London London, United KingdomHQ checked Sep 17, 2026	11-50	4 contacts →
	Strong evidence “PrivacyCloud's team combines a cross-border legal background with Privacy Engineering capabilities and a track record in Marketing Technology, eCommerce, Analytics and AI.” Source: RevenueBase Database · checked Sep 17, 2026
22	Proteus-Cyber LTD	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	1-10	4 contacts →
	Partial evidence “Proteus NextGen Data Privacy software provides DPOs, Privacy teams and Legal teams with the data privacy management tools required to manage GDPR compliance, CCPA compliance or…” Source: RevenueBase Database · checked Sep 17, 2026
23	Formiti	Indirect evidence	Birmingham, United KingdomHQ checked Sep 17, 2026	11-50	3 contacts →
	Indirect evidence “Outsourced Global Data Protection Officer (DPO), EU Representative and AI Governance partner for organisations operating across GDPR, PDPA, Swiss FADP and the EU AI Act.” Source: RevenueBase Database · checked Sep 17, 2026
24	Baycloud Systems	Partial evidence	Oxford, United KingdomHQ checked Sep 17, 2026	11-50	3 contacts →
	Partial evidence “Baycloud Systems develops scalable cloud based privacy and security enabling systems.” Source: RevenueBase Database · checked Sep 17, 2026
25	Data Protection Network Associates	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	1-10	3 contacts →
	Indirect evidence “Our experienced team provides down-to-earth data protection advice, support and training.” Source: RevenueBase Database · checked Sep 17, 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: privacy engineering companies. 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 privacy engineering companies.
Partial evidence: Its own public description names part of privacy engineering companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name privacy engineering companies. 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 89 privacy engineering companies based in the United Kingdom

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Privacy engineering companies based in the United Kingdom at a glance

As of Sep 17, 2026

34.8%Verified-email coverage

6.3Average contacts per company

1-10Median size (employees)

46.1%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

5,001-10,000

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 89 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 privacy engineering companies, 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 “privacy engineering companies”. 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 privacy engineering companies), 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 privacy engineering companies, 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, 194 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 17, 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.

Privacy engineering companies by metro

Privacy engineering companies in London41

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 privacy engineering companies, 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 privacy engineering companies are there based in the United Kingdom?

RevenueBase identified 89 privacy engineering companies 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?

Applied Blockchain, headquartered in London, tops this list with the largest team on record.

Which city has the most privacy engineering companies?

London leads with 41 headquartered companies, followed by Birmingham (3) and Bedford (2).

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 194 verified decision-maker contacts tracked across these 89 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 17, 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.