Company lists · Data refreshed October 2026

Top 25 Marketing data warehousing services based in London, United Kingdom

RevenueBase identified 66 company matches for marketing data warehousing services associated with London, United Kingdom as of October 2026 and tracks 18,427 professional contacts across them, including 6,764 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for marketing data warehousing services associated with London, 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 October 18, 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 Oct 18, 2026 How this list was built
66Companies
18,427Contacts tracked
6,764Verified emails
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The 25 largest marketing data warehousing services based in London, United Kingdom

Ranked by team size
Top 25 of 66 company matches for marketing data warehousing services based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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 Oct 18, 202610001+16,004 contacts →

Exact match

“Kantar is the world’s leading marketing data and analytics business.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 18, 20261,001-5,0001,876 contacts →

Exact match

“CACI offers an unrivalled range of data, marketing and IT solutions to a wide range of industries across both the public and private sectors.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 18, 202651-200101 contacts →

Exact match

“Make the most of your data with enterprise-ready software that helps you extract, enrich, and discover your company’s most valuable knowledge.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 18, 202651-20047 contacts →

Exact match

“Plinc helps brands turn first-party data into competitive advantage.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 18, 2026201-50040 contacts →

Exact match

“Acxiom puts data to work, solving complex challenges for the world’s leading brands and agencies.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-5039 contacts →

Exact match

“We help UK businesses get more value from their data.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-5034 contacts →

Exact match

“Chisl offers data management and analytics services.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-5030 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 · Oct 18, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 18, 20261-1014 contacts →

Exact match

“At IQUBICS, we drive innovation by offering tailored Data Warehouse and Business Intelligence solutions to help companies succeed in the competitive global environment.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-5013 contacts →

Exact match

“Sweet Analytics, at the centre of all your data.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-5013 contacts →

Exact match

“We are Dot Group.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-5011 contacts →

Exact match

“Bright Analytics is a modern data analysis and data-visualisation platform focused on Marketing and Business Performance, that can be deployed as an end-to-end solution or on a…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-509 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-508 contacts →

Exact match

“We believe the management, processing and effective utilisation of data will unlock commercial growth for clients.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-508 contacts →

Exact match

“At Morgan Hill, we empower businesses to harness the full potential of their data.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 18, 20261-107 contacts →

Exact match

“Welcome to UniFida, where we specialise in transforming your marketing strategies with cutting-edge data science and pioneering marketing technology.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 18, 20261-105 contacts →

Exact match

“Ringside is a cutting-edge marketing data platform designed for and built by marketers.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 18, 20261-105 contacts →

Exact match

“Trusted with over £500M+ in annual ad spend by global leaders like Antler, Christopher Ward, and Mous.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 18, 20261-105 contacts →

Exact match

“We turn your data into improved advertising performance, delivering 2X the return on like-for-like targeting.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 18, 20261-105 contacts →

Exact match

“The Fusion Analytics team are masters in successfully integrating and interrogating data to power business performance.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-505 contacts →

Exact match

“Digital Ecosystems offers data-driven marketing solutions providing services to businesses worldwide, where digital marketing is a key revenue driver and an integral part of their…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-504 contacts →

Exact match

“At Reddish Green, our world-class analytics team will help you see data in ways you never thought possible.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Oct 18, 202611-504 contacts →

Exact match

“Specialists in Business Analytics and Data, our solutions will help you unlock the hidden value in your data through our innovative ‘Train of Thought’ analysis.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 18, 20261-103 contacts →

Exact match

“Datametric is a data-centric company experienced in Business Intelligence, Integration and Data Analytics.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Oct 18, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 66 marketing data warehousing services based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 6,764 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Marketing data warehousing services based in London, United Kingdom at a glance

As of Oct 18, 2026
36.7%Verified-email coverage
279.2Average contacts per company
11-50Median size (employees)
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
24
51-200
5
201-500
2
501-1,000
1
1,001-5,000
1
10001+
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 66 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 London, United Kingdom whose business descriptions match “marketing data warehousing 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 6,764 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 October 18, 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 “marketing data warehousing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marketing data warehousing services are there based in London, United Kingdom?

RevenueBase identified 66 company matches for marketing data warehousing services associated with London, United Kingdom as of October 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?

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

Which city in the United Kingdom has the most marketing data warehousing services?

London leads the United Kingdom with 66 company records, followed by Manchester (4) and Ipswich (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 6,764 professional contacts with verified work emails tracked across these 66 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 October 18, 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.