Company lists · Data refreshed September 2026
Top 25 Data driven marketing agencies based in London, United Kingdom
RevenueBase identified 3,274 company matches for data driven marketing agencies associated with London, United Kingdom as of September 2026 and tracks 73,771 professional contacts across them, including 21,369 with verified work emails and 6,520 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for data driven marketing agencies 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 September 10, 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.
The 25 largest data driven marketing agencies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 15,564 contacts → | ||||
Exact match “Kantar is the world’s leading marketing data and analytics business.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 2 | 3,692 contacts → | ||||
Exact match “We discover the breakthroughs that brands need to win.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 3 | 2,366 contacts → | ||||
Exact match “iProspect, a dentsu company, is a leading global digital-first media agency.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 4 | 2,119 contacts → | ||||
Exact match “Jellyfish | Move Faster.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 5 | 1,891 contacts → | ||||
Exact match “We make content more rewarding.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 6 | 1,663 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 · Sep 10, 2026 · View company records in RevenueBase | |||||
| 7 | 941 contacts → | ||||
Exact match “Welcome to dentsu X.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 8 | 709 contacts → | ||||
Exact match “We are Digitas.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 9 | 643 contacts → | ||||
Exact match “We're an independent global media, creative, and data agency helping our clients make their next best move.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 10 | 527 contacts → | ||||
Exact match “MG OMD, part of Omnicom Media, brings innovation, insight and creativity to the world of media.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 11 | 457 contacts → | ||||
Exact match “We are a Global digital media agency specializing in taking a human approach to connecting brands with people across all channels.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 12 | 416 contacts → | ||||
Exact match “EssenceMediacom is WPP Media's newest and largest agency, committed to delivering breakthroughs for brands in the New Communications Economy.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 13 | 401 contacts → | ||||
Exact match “MVF powers growth for our clients by connecting them to potential customers.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 14 | 373 contacts → | ||||
Exact match “Mapp helps marketers build personalized customer experiences through our SaaS platform, Mapp Marketing Cloud.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 15 | 368 contacts → | ||||
Exact match “Merkle, a dentsu company, powers the experience economy.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 16 | 289 contacts → | ||||
Exact match “We deliver full-service B2B marketing solutions for world-class customer experiences – with an eye always toward the future.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 17 | 229 contacts → | ||||
Exact match “Welcome to Kitchen.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 18 | 216 contacts → | ||||
Exact match “Quantzig is at the forefront of partnering with businesses to help them unlock transformative value through analytics solutions.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 19 | 212 contacts → | ||||
Exact match “Hall & Partners is a team of unconventional thinkers, obsessed with how marketing influences the relationship between people, brands, and culture.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 20 | 195 contacts → | ||||
Exact match “Medialab is the UK’s leading independent media agency, Campaign's 2025 & 2024 Independent Media Agency of the Year and Media Week's Independent Media Agency of the Year 2025…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 21 | 194 contacts → | ||||
Exact match “KINESSO UK is the award-winning, tech-driven performance marketing agency delivering actionable growth for direct clients and agency partners.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 22 | 189 contacts → | ||||
Exact match “Outra provides the audience data that household names like Sky, Shell, Zoopla and AXA rely on to power their campaigns.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 23 | 186 contacts → | ||||
Exact match “Elait exists to transform unwieldy data into a competitive advantage.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 24 | 185 contacts → | ||||
Exact match “We help our clients supercharge their sales.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 25 | 178 contacts → | ||||
Exact match “All Response Media is the leading performance media planning and buying agency.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “data driven marketing agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 3,274 data driven marketing agencies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 21,369 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Data driven marketing agencies based in London, United Kingdom at a glance
As of Sep 10, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 12.0dCompany record updated
Median 74.0dHow 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 “data driven marketing agencies” 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 21,369 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 10, 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.
Data driven marketing agencies by metro in the United Kingdom
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 driven marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many data driven marketing agencies are there based in London, United Kingdom?
RevenueBase identified 3,274 company matches for data driven marketing agencies associated with London, 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?
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 data driven marketing agencies?
London leads the United Kingdom with 3,656 company records, followed by Manchester (462) and Birmingham (255).
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 21,369 professional contacts with verified work emails tracked across these 3,274 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 10, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,274 data driven marketing agencies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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- Data driven marketing agencies based in Germany
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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.
More company lists
- All company lists
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- Lists A-Z
- New lists
- Data driven marketing agencies based in the United States
- Data driven marketing agencies based in Brazil
- Data driven marketing agencies based in the United Kingdom
- Data driven marketing agencies based in Canada
- Data driven marketing agencies based in Australia
- Data driven marketing agencies based in Spain
Company intelligence · public preview
Top 25 data driven marketing agencies based in London, United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,274 matching company records for data driven marketing agencies based in London, United Kingdom, with 73,771 tracked contacts and 21,369 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 data driven marketing agencies based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Kantarkantar.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 15,564 contacts → |
“Kantar is the world’s leading marketing data and analytics business.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Essencemediacomessencemediacom.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 3,692 contacts → |
“We discover the breakthroughs that brands need to win.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Iprospectiprospect.comHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 2,366 contacts → |
“iProspect, a dentsu company, is a leading global digital-first media agency.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Jellyfishjellyfish.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 2,119 contacts → |
“Jellyfish | Move Faster.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  OIoi.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 1,891 contacts → |
“We make content more rewarding.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Caci LTDcaci.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,663 contacts → |
“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 description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Dentsu Xdxglobal.comHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 941 contacts → |
“Welcome to dentsu X.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Digitas UKdigitas.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 709 contacts → |
“We are Digitas.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CROUDcroud.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 643 contacts → |
“We're an independent global media, creative, and data agency helping our clients make their next best move.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  MG OMDmgomd.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 527 contacts → |
“MG OMD, part of Omnicom Media, brings innovation, insight and creativity to the world of media.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  M C Saatchi Performancemcsaatchiperformance.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 457 contacts → |
“We are a Global digital media agency specializing in taking a human approach to connecting brands with people across all channels.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Essencemediacom UKwppmedia.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 416 contacts → |
“EssenceMediacom is WPP Media's newest and largest agency, committed to delivering breakthroughs for brands in the New Communications Economy.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  MVFmvfglobal.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 401 contacts → |
“MVF powers growth for our clients by connecting them to potential customers.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  MAPPmapp.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 373 contacts → |
“Mapp helps marketers build personalized customer experiences through our SaaS platform, Mapp Marketing Cloud.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Merkle Emeamerkle.comHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 368 contacts → |
“Merkle, a dentsu company, powers the experience economy.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Transmissiontransmissionagency.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 289 contacts → |
“We deliver full-service B2B marketing solutions for world-class customer experiences – with an eye always toward the future.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Kitchenkitchensoho.comHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 229 contacts → |
“Welcome to Kitchen.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Quantzigquantzig.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 216 contacts → |
“Quantzig is at the forefront of partnering with businesses to help them unlock transformative value through analytics solutions.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Hall & Partnershallandpartners.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 212 contacts → |
“Hall & Partners is a team of unconventional thinkers, obsessed with how marketing influences the relationship between people, brands, and culture.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Medialab Groupmedialabgroup.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 195 contacts → |
“Medialab is the UK’s leading independent media agency, Campaign's 2025 & 2024 Independent Media Agency of the Year and Media Week's Independent Media Agency of the Year 2025…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Kinesso Uk&ikinesso.co.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 194 contacts → |
“KINESSO UK is the award-winning, tech-driven performance marketing agency delivering actionable growth for direct clients and agency partners.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  OUTRAoutra.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 189 contacts → |
“Outra provides the audience data that household names like Sky, Shell, Zoopla and AXA rely on to power their campaigns.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ELAITelait.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 186 contacts → |
“Elait exists to transform unwieldy data into a competitive advantage.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Interlinkweareinterlink.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 185 contacts → |
“We help our clients supercharge their sales.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  ALL Response Mediaallresponsemedia.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 178 contacts → |
“All Response Media is the leading performance media planning and buying agency.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,274 company matches
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Data driven marketing agencies: dataset insights
September 10, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,273 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 12.0dCompany record updated
Median 74.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Data driven marketing agencies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for data driven marketing agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many data driven marketing agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 3,274 matching company records, 73,771 tracked contacts and 21,369 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Data driven marketing agencies by geography
- Data driven marketing agencies based in the United States
- Data driven marketing agencies based in Brazil
- Data driven marketing agencies based in the United Kingdom
- Data driven marketing agencies based in Canada
- Data driven marketing agencies based in Australia
- Data driven marketing agencies based in Spain
- Data driven marketing agencies based in Germany
- Data driven marketing agencies based in France
- Data driven marketing agencies based in Mexico
- Data driven marketing agencies based in the Netherlands
- Data driven marketing agencies based in Italy
- Data driven marketing agencies based in South Africa
Cite this list
RevenueBase Data Team. Top 25 data driven marketing agencies based in London, United Kingdom. Snapshot: September 10, 2026. https://revenuebase.ai/companies/data-driven-marketing-agencies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Data driven marketing agencies based in the United States
- Data driven marketing agencies based in Brazil
- Data driven marketing agencies based in the United Kingdom
- Data driven marketing agencies based in Canada
- Data driven marketing agencies based in Australia
- Data driven marketing agencies based in Spain
Company intelligence · public preview
Top 25 data driven marketing agencies based in London, United Kingdom
RevenueBase records 3,274 matching company records for data driven marketing agencies based in London, United Kingdom, with 73,771 tracked contacts and 21,369 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 data driven marketing agencies based in London, United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Kantarkantar.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 15,564 contacts → |
“Kantar is the world’s leading marketing data and analytics business.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Essencemediacomessencemediacom.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 3,692 contacts → |
“We discover the breakthroughs that brands need to win.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Iprospectiprospect.com HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 2,366 contacts → |
“iProspect, a dentsu company, is a leading global digital-first media agency.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Jellyfishjellyfish.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 2,119 contacts → |
“Jellyfish | Move Faster.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | OIoi.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 1,891 contacts → |
“We make content more rewarding.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Caci LTDcaci.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,663 contacts → |
“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 description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Dentsu Xdxglobal.com HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 941 contacts → |
“Welcome to dentsu X.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Digitas UKdigitas.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 709 contacts → |
“We are Digitas.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CROUDcroud.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 643 contacts → |
“We're an independent global media, creative, and data agency helping our clients make their next best move.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | MG OMDmgomd.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 527 contacts → |
“MG OMD, part of Omnicom Media, brings innovation, insight and creativity to the world of media.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | M C Saatchi Performancemcsaatchiperformance.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 457 contacts → |
“We are a Global digital media agency specializing in taking a human approach to connecting brands with people across all channels.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Essencemediacom UKwppmedia.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 416 contacts → |
“EssenceMediacom is WPP Media's newest and largest agency, committed to delivering breakthroughs for brands in the New Communications Economy.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | MVFmvfglobal.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 401 contacts → |
“MVF powers growth for our clients by connecting them to potential customers.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MAPPmapp.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 373 contacts → |
“Mapp helps marketers build personalized customer experiences through our SaaS platform, Mapp Marketing Cloud.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Merkle Emeamerkle.com HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 368 contacts → |
“Merkle, a dentsu company, powers the experience economy.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Transmissiontransmissionagency.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 289 contacts → |
“We deliver full-service B2B marketing solutions for world-class customer experiences – with an eye always toward the future.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kitchenkitchensoho.com HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 229 contacts → |
“Welcome to Kitchen.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Quantzigquantzig.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 216 contacts → |
“Quantzig is at the forefront of partnering with businesses to help them unlock transformative value through analytics solutions.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Hall & Partnershallandpartners.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 212 contacts → |
“Hall & Partners is a team of unconventional thinkers, obsessed with how marketing influences the relationship between people, brands, and culture.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Medialab Groupmedialabgroup.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 195 contacts → |
“Medialab is the UK’s leading independent media agency, Campaign's 2025 & 2024 Independent Media Agency of the Year and Media Week's Independent Media Agency of the Year 2025…” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kinesso Uk&ikinesso.co.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 194 contacts → |
“KINESSO UK is the award-winning, tech-driven performance marketing agency delivering actionable growth for direct clients and agency partners.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | OUTRAoutra.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 189 contacts → |
“Outra provides the audience data that household names like Sky, Shell, Zoopla and AXA rely on to power their campaigns.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ELAITelait.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 186 contacts → |
“Elait exists to transform unwieldy data into a competitive advantage.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Interlinkweareinterlink.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 185 contacts → |
“We help our clients supercharge their sales.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ALL Response Mediaallresponsemedia.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 178 contacts → |
“All Response Media is the leading performance media planning and buying agency.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,274 company matches
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Data driven marketing agencies: dataset insights
September 10, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,273 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 12.0dCompany record updated
Median 74.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Data driven marketing agencies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for data driven marketing agencies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many data driven marketing agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 3,274 matching company records, 73,771 tracked contacts and 21,369 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 data driven marketing agencies based in London, United Kingdom. Snapshot: September 10, 2026. https://revenuebase.ai/companies/data-driven-marketing-agencies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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