Company lists · Data refreshed September 2026

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

Name: Data stewardship 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 28, 2026 123 companies tracked

RevenueBase identified 123 data stewardship consulting firms headquartered in London, United Kingdom as of September 2026 and tracks 1,256 professional contacts across them, including 533 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers data stewardship 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 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

123Companies

1,256Contacts tracked

533Verified emails

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

Ranked by team size

Top 25 of 123 data stewardship consulting firms based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to data stewardship 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	Quick Release	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	501-1,000	375 contacts →
	Partial evidence “Quick Release_ is a go-to global provider of Product and Engineering Data management.” Source: RevenueBase Database · checked Sep 28, 2026
2	ELAIT	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	186 contacts →
	Partial evidence “Elait exists to transform unwieldy data into a competitive advantage.” Source: RevenueBase Database · checked Sep 28, 2026
3	3di 3d Innovations	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	53 contacts →
	Partial evidence “3d innovations (3di) is a new breed of data management consultancy specialising in the financial services and commodity trading sectors.” Source: RevenueBase Database · checked Sep 28, 2026
4	Xyenta	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	45 contacts →
	Partial evidence “Xyenta is a data governance technology company.” Source: RevenueBase Database · checked Sep 28, 2026
5	Fredward	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	38 contacts →
	Indirect evidence “We have joined S&W and this profile is no longer being maintained.” Source: RevenueBase Database · checked Sep 28, 2026
6	RED Olive	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	35 contacts →
	Partial evidence “Red Olive was founded by a team of experienced Analytics, Business Intelligence and Data Management Profesionals with a love for creating tangible business improvement.” Source: RevenueBase Database · checked Sep 28, 2026
7	Berkeley Data Strategists	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	n/a	35 contacts →
	Partial evidence “After 20 years working with data, we now offer services in all aspects of data management, covering consultancy, training, advisory and recruitment.” Source: RevenueBase Database · checked Sep 28, 2026
8	Leadscale Group	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	34 contacts →
	Partial evidence “LeadScale provides the greatest leverage to any business – the ability to use personal data to identify more opportunities earlier, driving revenue at scale.” Source: RevenueBase Database · checked Sep 28, 2026
9	Securys Limited	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	28 contacts →
	Indirect evidence “We believe privacy matters because people matter.” Source: RevenueBase Database · checked Sep 28, 2026
10	Oyster IMS	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	24 contacts →
	Partial evidence “Data Protection * Information Governance * InfoSec Award-winning specialists in information governance and records management, with proven solutions for data discovery, data…” Source: RevenueBase Database · checked Sep 28, 2026
11	LEX Dinamica	Partial evidence	London, United KingdomHQ checked Sep 28, 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 28, 2026
12	IGS Information Governance Services	Partial evidence	London, United KingdomHQ checked Sep 28, 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 28, 2026
13	DOT Group	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence “We are Dot Group.” Source: RevenueBase Database · checked Sep 28, 2026
14	Vizify Analytics	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Partial evidence “At Vizify Analytics, our mission is to empower business leaders with truth and certainty from their data.” Source: RevenueBase Database · checked Sep 28, 2026
15	Salient Ediscovery	Indirect evidence	London, United KingdomHQ checked Sep 28, 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 28, 2026
16	Kazient Privacy Experts Data Protection Made Easy Peasy	Partial evidence	London, United KingdomHQ checked Sep 28, 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 28, 2026
17	Quaylogic	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “At Quaylogic, we help organisations command the full power of data and AI not just to manage complexity today, but to build the capability to lead through what's coming next.” Source: RevenueBase Database · checked Sep 28, 2026
18	Iqubics Technologies LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	12 contacts →
	Partial evidence “At IQUBICS, we drive innovation by offering tailored Data Warehouse and Business Intelligence solutions to help companies succeed in the competitive global environment.” Source: RevenueBase Database · checked Sep 28, 2026
19	Clearly Cloudy	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	9 contacts →
	Partial evidence “Clearly Cloudy are data specialists who bring the power of data analytics to your technology stack.” Source: RevenueBase Database · checked Sep 28, 2026
20	BSSG	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	8 contacts →
	Partial evidence “We are the enterprise data architects who help top companies’ gain easy access to their data and ensure that their data is credible.” Source: RevenueBase Database · checked Sep 28, 2026
21	Pivotl	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	8 contacts →
	Partial evidence “TURN DATA INTO YOUR MOST POWERFUL ADVANTAGE The next phase of the Digital Economy will be driven by data and will be even more challenging to master.” Source: RevenueBase Database · checked Sep 28, 2026
22	Eventi Consulting LTD	Strong evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Strong evidence “Eventi Consulting was launched in January 2021 with the mission to provide unparalleled consulting services within the Market Data space.” Source: RevenueBase Database · checked Sep 28, 2026
23	Project Data	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial evidence “Your business is only as strong as your data.” Source: RevenueBase Database · checked Sep 28, 2026
24	HCPG	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “We know governance is not often seen as interesting or inspiring, but we are….ask our customers.” Source: RevenueBase Database · checked Sep 28, 2026
25	Vigil8 Partners Limited	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Your data is one of your most valuable, and most vulnerable, assets.” 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: data stewardship 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 stewardship consulting firms.
Partial evidence: Its own public description names part of data stewardship 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 stewardship 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 123 data stewardship consulting firms based in London, United Kingdom

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

As of Sep 28, 2026

42.4%Verified-email coverage

10.2Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

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 123 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 data stewardship 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 stewardship 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 stewardship 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 stewardship 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, 533 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.

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 stewardship 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 stewardship consulting firms are there based in London, United Kingdom?

RevenueBase identified 123 data stewardship 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?

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

Which city in the United Kingdom has the most data stewardship consulting firms?

London leads the United Kingdom with 123 headquartered companies, followed by Manchester (7) and Leeds (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 533 verified decision-maker contacts tracked across these 123 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.