Company lists · Data refreshed September 2026

Top 12 Automated data cleaning companies based in the United Kingdom

RevenueBase identified 29 automated data cleaning companies headquartered in the United Kingdom as of September 2026 and tracks 330 professional contacts across them, including 178 with verified work emails and 69 with mobile numbers. London is the largest hub.

This list covers automated data cleaning 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 7, 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 7, 2026 86% judged on-target in blind review
29Companies
330Contacts tracked
178Verified emails
69Mobile numbers
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The 12 largest automated data cleaning companies based in the United Kingdom

Ranked by team size
Top 12 of 29 automated data cleaning companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 7, 2026. RevenueBase Smart Search rates how each company's information relates to automated data cleaning 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceChester, United KingdomHQ checked Sep 7, 202611-5038 contacts →

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

Source: company website · checked Sep 7, 2026
2Partial evidenceAltrincham, United KingdomHQ checked Sep 7, 202611-5026 contacts →

“Hopewiser design and supply Address and Email Validation software, Data Cleansing services, and Bank Account Payment Validation.”

Source: company website · checked Sep 7, 2026
3Partial evidenceBirmingham, United KingdomHQ checked Sep 7, 202611-5017 contacts →

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

Source: company website · checked Sep 7, 2026
4Indirect evidenceWymondham, United KingdomHQ checked Sep 7, 20261-1014 contacts →

“We know that the relationship with your customers is vital.”

Source: company website · checked Sep 7, 2026
5Partial evidenceReading, United KingdomHQ checked Sep 7, 202611-5011 contacts →

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

Source: company website · checked Sep 7, 2026
6Strong evidence7 Bell Yard, United KingdomHQ checked Sep 7, 20261-108 contacts →

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

Source: company website · checked Sep 7, 2026
7Partial evidenceOxford, United KingdomHQ checked Sep 7, 20261-103 contacts →

“At DataSalon we're proud to be different: solving the difficult challenges of data cleansing, integration and analysis in ways which are significantly faster, cheaper, and more…”

Source: company website · checked Sep 7, 2026
8Partial evidenceChatham, United KingdomHQ checked Sep 7, 20261-103 contacts →

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

Source: company website · checked Sep 7, 2026
9Strong evidenceSoutham, United KingdomHQ checked Sep 7, 202611-502 contacts →

“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.”

Source: company website · checked Sep 7, 2026
10Strong evidenceBeaulieu, United KingdomHQ checked Sep 7, 20261-102 contacts →

“Verify-It empowers the automation and verification of Supplier and Customer master data providing you with the confidence and security now and for the future.”

Source: company website · checked Sep 7, 2026
11Partial evidenceGuildford, United KingdomHQ checked Sep 7, 20261-102 contacts →

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

Source: company website · checked Sep 7, 2026
12Partial evidenceHemsworth, United KingdomHQ checked Sep 7, 20261-102 contacts →

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

Source: company website · checked Sep 7, 2026

Showing 12 of 29 automated data cleaning companies based in the United Kingdom

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Automated data cleaning companies based in the United Kingdom at a glance

As of Sep 7, 2026
53.9%Verified-email coverage
20.9%Mobile-number coverage
11.4Average contacts per company
1-10Median size (employees)
27.6%Largest-city concentration · London
Sep 7, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
9
51-200
4

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 automated data cleaning 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 “automated data cleaning 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 automated data cleaning 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 automated data cleaning 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, 178 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 7, 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 automated data cleaning 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 automated data cleaning companies are there based in the United Kingdom?

RevenueBase identified 29 automated data cleaning 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?

Data8 LTD, headquartered in Chester, tops this list with the largest team on record.

Which city has the most automated data cleaning companies?

London leads with 8 headquartered companies, followed by Reading (2) and Altrincham (1).

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 178 verified decision-maker contacts tracked across these 29 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 7, 2026.

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Related lists

Automated data cleaning companies by geography

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.