Company lists · Data refreshed September 2026

Top 25 Data privacy consulting firms based in London, United Kingdom

Name: Data privacy consulting firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 10, 2026 156 companies tracked

RevenueBase identified 156 data privacy consulting firms headquartered in London, United Kingdom as of September 2026 and tracks 941 professional contacts across them, including 351 with verified work emails and 40 with mobile numbers. London is the largest hub.

This list covers data privacy consulting firms headquartered in London, 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 10, 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 10, 2026 86% judged on-target in blind review

156Companies

941Contacts tracked

351Verified emails

40Mobile numbers

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The 25 largest data privacy consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 156 data privacy consulting firms based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 10, 2026. RevenueBase Smart Search rates how each company's information relates to data privacy consulting firms: 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	Trpglobal	Indirect evidence	London, United KingdomHQ checked Sep 10, 2026	51-200	126 contacts →
	Indirect evidence “We are TRPGLOBAL, your strategic partner in helping you with the complexities of risk management.” Source: RevenueBase Database · checked Sep 10, 2026
2	Daintta	Indirect evidence	London, United KingdomHQ checked Sep 10, 2026	51-200	60 contacts →
	Indirect evidence “We provide deep expertise with technical and business specialists to help clients secure and protect the UK.” Source: RevenueBase Database · checked Sep 10, 2026
3	Hewardmills	Partial evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	46 contacts →
	Partial evidence “HewardMills provides regulatory advice and other specialist Data Protection Officer (DPO) services to multinational organisations.” Source: RevenueBase Database · checked Sep 10, 2026
4	Seers AI	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	36 contacts →
	Strong evidence “Seers is an AI-driven consent management platform that empowers businesses to meet global data privacy requirements with confidence and ease.” Source: RevenueBase Database · checked Sep 10, 2026
5	PM Dragonfly	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	29 contacts →
	Strong evidence “With our expert consultants, we unlock the power of your data and transform your Marketing capabilities, building sustainable value in your organisation in a privacy respectful…” Source: RevenueBase Database · checked Sep 10, 2026
6	Securys Limited	Partial evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	28 contacts →
	Partial evidence “We believe privacy matters because people matter.” Source: RevenueBase Database · checked Sep 10, 2026
7	Privacy Culture	Partial evidence	London, United KingdomHQ checked Sep 10, 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 10, 2026
8	Cyxcel	Indirect evidence	London, United KingdomHQ checked Sep 10, 2026	51-200	22 contacts →
	Indirect evidence “CyXcel is a digital risk advisory firm built for a new era.” Source: RevenueBase Database · checked Sep 10, 2026
9	LEX Dinamica	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	17 contacts →
	Strong evidence “Lex Dinamica is a consulting firm that provides Privacy, AI and Risk solutions.” Source: RevenueBase Database · checked Sep 10, 2026
10	Forti5 Technologies	Partial evidence	London, United KingdomHQ checked Sep 10, 2026	1-10	15 contacts →
	Partial evidence “We help organisations keep their data safe, use technology responsibly, and stay on the right side of the law, without the jargon.” Source: RevenueBase Database · checked Sep 10, 2026
11	IGS Information Governance Services	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	15 contacts →
	Strong 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 10, 2026
12	Naomi Korn Associates	Indirect evidence	London, United KingdomHQ checked Sep 10, 2026	1-10	14 contacts →
	Indirect evidence “We support our clients to comply with the law.” Source: RevenueBase Database · checked Sep 10, 2026
13	Salient Ediscovery	Indirect evidence	London, United KingdomHQ checked Sep 10, 2026	51-200	13 contacts →
	Indirect evidence “At Salient, we pride ourselves on the diverse skill sets and extraordinary experience that enable our teams to bring invaluable insights and exceptional adaptability to each and…” Source: RevenueBase Database · checked Sep 10, 2026
14	Kazient Privacy Experts Data Protection Made Easy Peasy	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	1-10	13 contacts →
	Strong 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 10, 2026
15	AWO Agency	Partial evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	12 contacts →
	Partial evidence “We’re a new agency working across the world to shape, apply and enforce data rights.” Source: RevenueBase Database · checked Sep 10, 2026
16	A Jolly Consulting	Indirect evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	12 contacts →
	Indirect evidence “AJC provides professional consultancy across sectors covering, but not limited to, Accredited Cyber Essentials & CE+ Partner, Fraud Risk Management Services, Risk, Resilience…” Source: RevenueBase Database · checked Sep 10, 2026
17	Data Privacy Manager	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	51-200	11 contacts →
	Strong evidence “Data Privacy Manager is a comprehensive privacy solution for personal data management, set out to protect digital privacy and help Organizations comply with data protection laws…” Source: RevenueBase Database · checked Sep 10, 2026
18	Trust Keith Your Always-On Privacy Partner	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	10 contacts →
	Strong evidence “Trust Keith is the global Privacy Management solution for data-centric SMBs with big ambitions.” Source: RevenueBase Database · checked Sep 10, 2026
19	Privacy Partnership	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	10 contacts →
	Strong evidence “Data Protection and Privacy Law firm, Training and Consultancy.” Source: RevenueBase Database · checked Sep 10, 2026
20	Digiphile	Partial evidence	London, United KingdomHQ checked Sep 10, 2026	1-10	8 contacts →
	Partial evidence “Digiphile is a challenger law firm specialising in UK and EU data protection and cybersecurity advice.” Source: RevenueBase Database · checked Sep 10, 2026
21	Hellodpo	Partial evidence	London, United KingdomHQ checked Sep 10, 2026	1-10	8 contacts →
	Partial evidence “We are an innovative data protection law firm offering legal data protection advice, outsourced DPO services and data protection training.” Source: RevenueBase Database · checked Sep 10, 2026
22	Assured Clarity Limited	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	7 contacts →
	Strong evidence “We are a global consultancy firm that specializes in Digital Risk Management and Data Privacy/Data Protection, while also ensuring robust Cyber Security measures for our clients.” Source: RevenueBase Database · checked Sep 10, 2026
23	Cortida	Partial evidence	London, United KingdomHQ checked Sep 10, 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 10, 2026
24	Vigil8 Partners Limited	Partial evidence	London, United KingdomHQ checked Sep 10, 2026	1-10	6 contacts →
	Partial evidence “Your data is one of your most valuable, and most vulnerable, assets.” Source: RevenueBase Database · checked Sep 10, 2026
25	Ig-Smart LTD	Strong evidence	London, United KingdomHQ checked Sep 10, 2026	11-50	5 contacts →
	Strong 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 10, 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: data privacy consulting firms. 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 data privacy consulting firms.
Partial evidence: Its own public description names part of data privacy consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name data privacy consulting firms. 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 156 data privacy consulting firms based in London, United Kingdom

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Data privacy consulting firms based in London, United Kingdom at a glance

As of Sep 10, 2026

37.3%Verified-email coverage

4.3%Mobile-number coverage

6.0Average contacts per company

1-10Median size (employees)

101.3%Largest-city concentration · London

Sep 10, 2026Page data refreshed

Companies by employee count

1-10

116

11-50

51-200

Freshness & accuracy

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

Email last verified

Median 13.0d

3180–30

2931–60

061–90

190–180

3180+

Company record updated

Median 62.0d

00–30

44131–60

35061–90

8790–180

63180+

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 data privacy consulting firms, 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 London, United Kingdom whose own description of what they do matches “data privacy consulting firms”. 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 data privacy consulting firms), 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 data privacy consulting firms, and records with no verified work email. Companies headquartered outside London 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, 351 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 10, 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.

Data privacy consulting firms by metro in the United Kingdom

Data privacy consulting firms in London158

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 data privacy consulting firms, 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 data privacy consulting firms are there based in London, United Kingdom?

RevenueBase identified 156 data privacy consulting firms headquartered in London, 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?

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

Which city has the most data privacy consulting firms?

London leads with 158 headquartered companies, followed by Manchester (6) and Edinburgh (6).

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 351 verified decision-maker contacts tracked across these 156 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 10, 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.