Company lists · Data refreshed September 2026

Top 25 Data quality consultancies based in the United Kingdom

RevenueBase identified 148 company matches for data quality consultancies associated with the United Kingdom as of September 2026 and tracks 1,256 professional contacts across them, including 538 with verified work emails. London is the largest hub.

This list covers company matches for data quality consultancies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
148Companies
1,256Contacts tracked
538Verified emails
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The 25 largest data quality consultancies based in the United Kingdom

Ranked by team size
Top 25 of 148 company matches for data quality consultancies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200186 contacts →

Exact match

“Elait exists to transform unwieldy data into a competitive advantage.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchHorsham, United KingdomHQ recorded Sep 28, 202651-20099 contacts →

Exact match

“Envitia is an IT services and consulting company, specialising in complex data challenges.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Sep 28, 202651-20065 contacts →

Exact match

“Seriös Group are experts in data solutions, helping businesses to take control of their data, delivering rapid value without compromise.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchParc Menai, United KingdomHQ recorded Sep 28, 202611-5042 contacts →

Exact match

“Many organisations struggle with complex, fragmented data across multiple systems.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchChester, United KingdomHQ recorded Sep 28, 202611-5038 contacts →

Exact match

“THE DATA QUALITY COMPANY Data8 is an award winning data quality management company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchCardiff, United KingdomHQ recorded Sep 28, 202611-5037 contacts →

Exact match

“Butterfly Data is a specialist data management consultancy with over 20 years’ experience delivering end-to-end data solutions for public and private sector organisations…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 28, 2026n/a35 contacts →

Exact match

“After 20 years working with data, we now offer services in all aspects of data management, covering consultancy, training, advisory and recruitment.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5034 contacts →

Exact match

“LeadScale provides the greatest leverage to any business – the ability to use personal data to identify more opportunities earlier, driving revenue at scale.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchChelmsford, United KingdomHQ recorded Sep 28, 202611-5033 contacts →

Exact match

“We are passionate about data… and we have been since 1994.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchManchester, United KingdomHQ recorded Sep 28, 202611-5026 contacts →

Exact match

“IDS was founded on a simple belief: quality matters.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchGrangemouth, United KingdomHQ recorded Sep 28, 20261-1020 contacts →

Exact match

“At Precision Data Solutions, we understand the pivotal role that data plays in driving strategic decisions and enhancing operational efficiencies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchBirmingham, United KingdomHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Sentinel Partners enables companies to discover, prepare and harness their data with AI to unlock its full potential and accelerate growth.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchNottingham, United KingdomHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“Is disconnected data slowing your business down?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchDartford, United KingdomHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“We remove complexity - we don't add to it.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLee-on-the-solent, United KingdomHQ recorded Sep 28, 202611-5013 contacts →

Exact match

“DQ Global is a data quality management company with a mission to empower organisations worldwide to achieve more with their customer data.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchReading, United KingdomHQ recorded Sep 28, 202611-5011 contacts →

Exact match

“WinPure® is a leading provider of AI-powered data quality and Identity Intelligence solutions, helping organisations transform fragmented, inconsistent data into trusted data and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-108 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchWellingborough, United KingdomHQ recorded Sep 28, 202611-508 contacts →

Exact match

“AMS1ONE Solutions, an independent consulting firm that specialises in the scalability, architecture, and engineering of analytic data solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact match7 Bell Yard, United KingdomHQ recorded Sep 28, 20261-108 contacts →

Exact match

“Do you use a Data Cleaning Checklist or just go through the motion to get it ready?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchFleet, United KingdomHQ recorded Sep 28, 202611-507 contacts →

Exact match

“Are you frustrated with different data systems and manual processes?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-507 contacts →

Exact match

“Your business is only as strong as your data.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchBicester, United KingdomHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Senya is UK-based company with offices in South Africa and Canada.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSilverstone, United KingdomHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Your guide on the path to simple and effective data management Delivering the right solution for your business first time can bring a competitive advantage in your market.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchBirmingham, United KingdomHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Do you consider your data to be an asset?”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 28, 20261-104 contacts →

Exact match

“DCI provides data validation tools for financial services firms who face complex challenges, from increasing client demands and constant regulatory change, to cost pressures…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 148 data quality consultancies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 538 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data quality consultancies based in the United Kingdom at a glance

As of Sep 28, 2026
42.8%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
31.8%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
108
11-50
30
51-200
10

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 148 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “data quality consultancies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 538 professional contacts with verified work emails across the full matched dataset. 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.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Data quality consultancies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “data quality consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data quality consultancies are there based in the United Kingdom?

RevenueBase identified 148 company matches for data quality consultancies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

ELAIT tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most data quality consultancies?

London leads with 47 company records, followed by Sheffield (4) and Birmingham (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 538 professional contacts with verified work emails tracked across these 148 companies; direct dials are available where recorded.

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 SmartSearch, 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.