Company lists · Data refreshed September 2026

Top 25 Data quality management services based in the United Kingdom

RevenueBase identified 74 company matches for data quality management services associated with the United Kingdom as of September 2026 and tracks 607 professional contacts across them, including 300 with verified work emails. London is the largest hub.

This list covers company matches for data quality management services 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 21, 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 21, 2026 How this list was built
74Companies
607Contacts tracked
300Verified emails
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The 25 largest data quality management services based in the United Kingdom

Ranked by team size
Top 25 of 74 company matches for data quality management services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchNewcastle Upon Tyne, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
2Exact matchBelfast, United KingdomHQ recorded Sep 21, 202651-20040 contacts →

Exact match

“At Datactics we're passionate about helping our clients get their data right.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchChester, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5Exact matchManchester, United KingdomHQ recorded Sep 21, 202611-5026 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchGrangemouth, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
7Exact matchBirmingham, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
8Exact matchLee-on-the-solent, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
9Exact matchReading, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
10Exact match7 Bell Yard, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-107 contacts →

Exact match

“OpenBook is a specialist provider of SAP Data Management services and project resources.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-507 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchPetersfield, United KingdomHQ recorded Sep 21, 20261-104 contacts →

Exact match

“Connective Solutions, United Kingdom.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
15Exact matchBirmingham, United KingdomHQ recorded Sep 21, 20261-104 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-104 contacts →

Exact match

“At Business Intelligence Theorems, we help businesses maximise data performance by focusing on outcomes that truly matter.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchLichfield, United KingdomHQ recorded Sep 21, 20261-103 contacts →

Exact match

“DPA help organisations improve the benefits they gain from their data, systems and processes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchChatham, United KingdomHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Accurate, relevant data is the key to any successful marketing programme.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-503 contacts →

Exact match

“Phusis is a data-centric, business solutions company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Data Quality Experts.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchHarrogate, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“We help you unlock & harness the power of your information by better understanding it, looking after it properly and maximising its value.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchNewbury, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Blue Tortoise provides intelligent data analysis, sourcing and management to help B2B organisations fulfil their sales and marketing strategies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchSoutham, United KingdomHQ recorded Sep 21, 202611-502 contacts →

Exact match

“Oblong UK was formed in 2006, providing SIC coding and data cleaning services, but has since evolved to provide a full spectrum of business data services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchHemsworth, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Informate UK Limited provide a comprehensive bureau service to assist in the area of Data Cleansing, Enhancement, Suppression and Data Supply.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchGuildford, United KingdomHQ recorded Sep 21, 20261-102 contacts →

Exact match

“We’ve a combined total of more than 40 years in data classification, your data is safe with The Classification Guru.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 74 data quality management services based in the United Kingdom

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Data quality management services based in the United Kingdom at a glance

As of Sep 21, 2026
49.4%Verified-email coverage
8.2Average contacts per company
1-10Median size (employees)
28.4%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
50
11-50
17
51-200
6
5,001-10,000
1

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 74 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 management services” 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 300 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 21, 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.

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 management services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 74 company matches for data quality management services 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?

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

Which city has the most data quality management services?

London leads with 21 company records, followed by Birmingham (3) and Belfast (2).

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 300 professional contacts with verified work emails tracked across these 74 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 21, 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.