Company lists · Data refreshed November 2026

Top 15 Test data management services based in the United Kingdom

RevenueBase identified 36 company matches for test data management services associated with the United Kingdom as of November 2026 and tracks 218 professional contacts across them, including 114 with verified work emails. London is the largest hub.

This list covers company matches for test data 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 November 6, 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 Nov 6, 2026 How this list was built
36Companies
218Contacts tracked
114Verified emails
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The 15 largest test data management services based in the United Kingdom

Ranked by team size
Top 15 of 36 company matches for test data management services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 202651-20072 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“AI-Ready Test Data Management for platform enterprise test/QA Synthesized provides continuous data availability for test automation & agentic AI workflows.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGloucester, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“We specialise in software testing, automation, data migration and ProductWriter, bringing together a unique blend of technical and industry knowledge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchEast Tilbury, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Data Services- Extensive experience with Enterprise Customer Data and Database Management Systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCoventry, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“INFORACK LTD is a management consulting company providing IT Services: Data Engineering Solutions, Data Reporting, Data Migration and QA services to clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Founded in 2007, Curium Data Systems specialises in the provision and support of advanced technology solutions aimed at the Data Management and Operations teams of financial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSilverstone, United KingdomHQ recorded Nov 6, 202611-506 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact match7 Bell Yard, United KingdomHQ recorded Nov 6, 20261-106 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPetersfield, United KingdomHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Connective Solutions, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“DataShaka is your Data Operations Team.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-103 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHemsworth, United KingdomHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Founded in 2015, BSC London exists to build the data up to its best shape and to serve to client requirements and to convert the requirements further to futuristic ideas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAscot, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“CISLO Solutions provide data analysis, data management, application and web development services and data validation software solutions as well as business intelligence and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 15 of 36 test data management services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 114 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Test data management services based in the United Kingdom at a glance

As of Nov 6, 2026
52.3%Verified-email coverage
6.1Average contacts per company
1-10Median size (employees)
47.2%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
8
51-200
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 36 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 “test data 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 114 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 November 6, 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 “test data management services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 36 company matches for test data management services associated with the United Kingdom as of November 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 test data management services?

London leads with 17 company records, followed by Ascot (1) and Belfast (1).

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 114 professional contacts with verified work emails tracked across these 36 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 November 6, 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.