Company lists · Data verified August 2026

Top 25 Data quality software companies based in the United Kingdom

Name: Data quality software companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 60 companies tracked

There are 60 data quality software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 2,823 professional contacts across them, including 1,772 with verified work emails and 811 with mobile numbers. London is the largest hub.

This list covers data quality software 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. Data current as of August 28, 2026.

60Companies

2,823Contacts tracked

1,772Verified emails

811Mobile numbers

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The 25 largest data quality software companies based in the United Kingdom

Ranked by team size

Top 25 of 60 data quality software companies based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Precisely	Reading	1,001-5,000	2,247	1,523
2	Seriös Group	Newcastle Upon Tyne	51-200	64	45
3	Corefiling	Oxford	51-200	63	4
4	Convertr	London	51-200	55	41
5	ETL	Menai	11-50	42	8
6	Datactics	Belfast	51-200	41	28
7	Data8 LTD	Chester	11-50	39	19
8	Leadscale Group	London	11-50	35	30
9	Hopewiser	Altrincham	11-50	28	14
10	Precision Data Solutions	Grangemouth	1-10	20	3
11	Allies Computing	Norwich	11-50	19	15
12	Sentinel Partners	Birmingham	11-50	17	9
13	DQ Global	Lee-On-The-Solent	11-50	13	9
14	Bellrock Technology LTD	Glasgow	11-50	12	5
15	I Telenet Engineering Solution	London	1-10	8	1
16	Project Data	London	11-50	7	1
17	Data Compliance & Integrity LTD	London	1-10	4	2
18	Phusis LTD	London	11-50	3	1
19	Talas Consulting	London	1-10	3	1
20	Oblong UK	Southam	11-50	2	1
21	Informate UK Limited	Hemsworth	1-10	2	1
22	The Classification Guru LTD	Guildford	1-10	2	1
23	Tower DMS	Sheffield	1-10	2	1
24	Verify-It	Beaulieu	1-10	2	1
25	Analytic EYE LTD	Wells	1-10	1	1

Showing 25 of 60 data quality software companies based in the United Kingdom

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Data quality software companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 24 HQs

811Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Data quality software companies by metro

Metro	Companies
Data quality software companies in London	24
Data quality software companies in Sheffield	2
Data quality software companies in Belfast	2
Data quality software companies in Reading	2
Data quality software companies in Oxford	1
Data quality software companies in Cambridge	1
Data quality software companies in Newcastle Upon Tyne	1
Data quality software companies in Birmingham	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “data quality software companies”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 3 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 60 data quality software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Precisely, headquartered in Reading, tops this list with the largest team on record.

Which city has the most data quality software companies?

London leads with 24 headquartered companies, followed by Sheffield (2) and Belfast (2).

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 1,772 verified decision-maker contacts tracked across these 60 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.