Company lists · Data refreshed September 2026
Top 25 Advertising research companies based in London, United Kingdom
RevenueBase identified 127 company matches for advertising research companies associated with London, United Kingdom as of September 2026 and tracks 21,069 professional contacts across them, including 7,451 with verified work emails and 1,738 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for advertising research companies 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 19, 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 advertising research companies 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 19, 2026 · View company records in RevenueBase | |||||
| 2 | 1,621 contacts → | ||||
Exact match “In our world of rapid change, the need for reliable information to make confident decisions has never been greater.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 1,306 contacts → | ||||
Exact match “Kantar Media is now Fifty5Blue.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 625 contacts → | ||||
Exact match “Ebiquity is the independent authority in Marketing Effectiveness.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 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 19, 2026 · View company records in RevenueBase | |||||
| 6 | 106 contacts → | ||||
Exact match “Researchbods delivers insight that drives action for ambitious brands.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 66 contacts → | ||||
Exact match “Research that helps brands glow and grow’ is the simple expression of everything we do.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 54 contacts → | ||||
Exact match “Adwanted UK, part of Adwanted Group, is the UK’s leading provider of media tech, data and thought-leadership.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 41 contacts → | ||||
Exact match “BAMM is a global consumer insights agency that specializes in helping big brands better compete in the ever-changing world of consumer trends and technology, and to stay ahead of…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 40 contacts → | ||||
Exact match “We’re an award-winning digital market research agency helping clients make fast, confident decisions with high-quality data they can trust.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 37 contacts → | ||||
Exact match “We are now Savanta!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “RSMB was established in 1987 to offer high quality design and operations in the field of television audience measurement.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 29 contacts → | ||||
Exact match “Accent is a full service market research consultancy delivering innovative, tailored and targeted insight.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 25 contacts → | ||||
Exact match “Audience Store is an international customer insight and next-generation programmatic media activation partner for brands and agencies.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “Humans need emotion.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 17 contacts → | ||||
Exact match “3Gem is a global insights business, with access to an in-house panel of more than 15 million people and representing voices across 50+ countries.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 15 contacts → | ||||
Exact match “ViewersLogic boosts your chances of hitting your business targets.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 14 contacts → | ||||
Exact match “We Live Context are a marketing and research team that inspires business and consumer brands around the world to make the best decisions and maximise their Return on Intelligence.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match “DAIVID is THE #CreativeData signal for the advertising ecosystem, with unparalleled scale and depth.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 12 contacts → | ||||
Exact match “Rigorous.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 12 contacts → | ||||
Exact match “PY Insights by Powr of You is bringing innovative behavioral research tech to brands, agencies and research providers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 11 contacts → | ||||
Exact match “Alligator is now part of Ipsos, and using the Ipsos brand name, following acquisition in June 2025.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 10 contacts → | ||||
Exact match “As a global marketing effectiveness consultancy, we partner with CMOs and marketing teams to discover the insights from data to enable them to make better decisions to drive…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 10 contacts → | ||||
Exact match “We are a dynamic team of researchers specialized in making data-driven decisions, primarily for B2B and B2C industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “Evidence, calibrated for decision-ready confidence.” Recorded in the RevenueBase company graph · Sep 19, 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 “advertising research companies”. 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 127 advertising research companies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 7,451 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Advertising research companies based in London, United Kingdom at a glance
As of Sep 19, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 21.0dCompany record updated
Median 82.0dHow 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 “advertising research companies” 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 7,451 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 19, 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 “advertising research companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many advertising research companies are there based in London, United Kingdom?
RevenueBase identified 127 company matches for advertising research companies 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 advertising research companies?
London leads the United Kingdom with 74 company records, followed by Manchester (4) and Brighton (2).
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 7,451 professional contacts with verified work emails tracked across these 127 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 127 advertising research companies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Advertising research companies by geography
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- Advertising research companies based in Mumbai, India
- Advertising research companies based in New Delhi, India
- Advertising research companies based in New York, United States
- Advertising research companies based in Australia
- Advertising research companies based in Brazil
- Advertising research companies based in Canada
- Advertising research companies based in France
- Advertising research companies based in Germany
- Advertising research companies based in India
- Advertising research companies based in Japan
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
- Lists by location
- Lists A-Z
- New lists
- Advertising research companies based in Sao Paulo, Brazil
- Advertising research companies based in Paris, France
- Advertising research companies based in Mumbai, India
- Advertising research companies based in New Delhi, India
- Advertising research companies based in New York, United States
- Advertising research companies based in Australia
Company intelligence · public preview
Top 25 advertising research companies 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 127 matching company records for advertising research companies based in London, United Kingdom, with 21,069 tracked contacts and 7,451 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 19, 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 advertising research companies 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ipsos In The UKipsos.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,621 contacts → |
“In our world of rapid change, the need for reliable information to make confident decisions has never been greater.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Kantar Mediafifty5blue.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,306 contacts → |
“Kantar Media is now Fifty5Blue.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ebiquity PLCebiquity.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 625 contacts → |
“Ebiquity is the independent authority in Marketing Effectiveness.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Strat7 Researchbodsresearchbods.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Researchbods delivers insight that drives action for ambitious brands.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  The Nursery Research & Planningthe-nursery.netHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 66 contacts → |
“Research that helps brands glow and grow’ is the simple expression of everything we do.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Adwanted UK B Corpadwanted.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Adwanted UK, part of Adwanted Group, is the UK’s leading provider of media tech, data and thought-leadership.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  BAMMbammglobal.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 41 contacts → |
“BAMM is a global consumer insights agency that specializes in helping big brands better compete in the ever-changing world of consumer trends and technology, and to stay ahead of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Potentia Insightpotentia-insight.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“We’re an award-winning digital market research agency helping clients make fast, confident decisions with high-quality data they can trust.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Future Thinking UK NOW Savantasavanta.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 37 contacts → |
“We are now Savanta!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  RSMBrsmb.solutionsHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“RSMB was established in 1987 to offer high quality design and operations in the field of television audience measurement.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Accent MRaccent-mr.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 29 contacts → |
“Accent is a full service market research consultancy delivering innovative, tailored and targeted insight.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Audience Storeaudiencestore.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Audience Store is an international customer insight and next-generation programmatic media activation partner for brands and agencies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ONE Minute To Midnightoneminutetomidnight.lifeHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Humans need emotion.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  3gem Research & Insights3gem.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“3Gem is a global insights business, with access to an in-house panel of more than 15 million people and representing voices across 50+ countries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Viewerslogicviewerslogic.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“ViewersLogic boosts your chances of hitting your business targets.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  We Live Contextwelivecontext.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“We Live Context are a marketing and research team that inspires business and consumer brands around the world to make the best decisions and maximise their Return on Intelligence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Daividdaivid.coHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“DAIVID is THE #CreativeData signal for the advertising ecosystem, with unparalleled scale and depth.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Metametricsmetametrics.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 12 contacts → |
“Rigorous.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  PY Insights By Powr Of YOUinsights.powrofyou.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 12 contacts → |
“PY Insights by Powr of You is bringing innovative behavioral research tech to brands, agencies and research providers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Alligator Digitalalligator-digital.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Alligator is now part of Ipsos, and using the Ipsos brand name, following acquisition in June 2025.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Independent Marketing Sciencesim-sciences.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 10 contacts → |
“As a global marketing effectiveness consultancy, we partner with CMOs and marketing teams to discover the insights from data to enable them to make better decisions to drive…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Smart Move Venturessmartmoveventures.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We are a dynamic team of researchers specialized in making data-driven decisions, primarily for B2B and B2C industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Skoposskopos.agencyHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 9 contacts → |
“Evidence, calibrated for decision-ready confidence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 127 company matches
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Advertising research companies: dataset insights
September 19, 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
126 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 21.0dCompany record updated
Median 82.0dHow 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 19, 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 ↗
Questions about this company list
What does Exact match mean for advertising research companies?
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 advertising research companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 127 matching company records, 21,069 tracked contacts and 7,451 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 19, 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
Advertising research companies by geography
- Advertising research companies based in Sao Paulo, Brazil
- Advertising research companies based in Paris, France
- Advertising research companies based in Mumbai, India
- Advertising research companies based in New Delhi, India
- Advertising research companies based in New York, United States
- Advertising research companies based in Australia
- Advertising research companies based in Brazil
- Advertising research companies based in Canada
- Advertising research companies based in France
- Advertising research companies based in Germany
- Advertising research companies based in India
- Advertising research companies based in Japan
Cite this list
RevenueBase Data Team. Top 25 advertising research companies based in London, United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/advertising-research-companies/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
- Advertising research companies based in Sao Paulo, Brazil
- Advertising research companies based in Paris, France
- Advertising research companies based in Mumbai, India
- Advertising research companies based in New Delhi, India
- Advertising research companies based in New York, United States
- Advertising research companies based in Australia
Company intelligence · public preview
Top 25 advertising research companies based in London, United Kingdom
RevenueBase records 127 matching company records for advertising research companies based in London, United Kingdom, with 21,069 tracked contacts and 7,451 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 19, 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 advertising research companies 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ipsos In The UKipsos.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,621 contacts → |
“In our world of rapid change, the need for reliable information to make confident decisions has never been greater.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kantar Mediafifty5blue.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,306 contacts → |
“Kantar Media is now Fifty5Blue.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ebiquity PLCebiquity.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 625 contacts → |
“Ebiquity is the independent authority in Marketing Effectiveness.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Strat7 Researchbodsresearchbods.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Researchbods delivers insight that drives action for ambitious brands.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | The Nursery Research & Planningthe-nursery.net HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 66 contacts → |
“Research that helps brands glow and grow’ is the simple expression of everything we do.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Adwanted UK B Corpadwanted.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Adwanted UK, part of Adwanted Group, is the UK’s leading provider of media tech, data and thought-leadership.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | BAMMbammglobal.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 41 contacts → |
“BAMM is a global consumer insights agency that specializes in helping big brands better compete in the ever-changing world of consumer trends and technology, and to stay ahead of…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Potentia Insightpotentia-insight.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“We’re an award-winning digital market research agency helping clients make fast, confident decisions with high-quality data they can trust.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Future Thinking UK NOW Savantasavanta.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 37 contacts → |
“We are now Savanta!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | RSMBrsmb.solutions HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“RSMB was established in 1987 to offer high quality design and operations in the field of television audience measurement.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Accent MRaccent-mr.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 29 contacts → |
“Accent is a full service market research consultancy delivering innovative, tailored and targeted insight.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Audience Storeaudiencestore.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Audience Store is an international customer insight and next-generation programmatic media activation partner for brands and agencies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ONE Minute To Midnightoneminutetomidnight.life HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Humans need emotion.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 3gem Research & Insights3gem.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“3Gem is a global insights business, with access to an in-house panel of more than 15 million people and representing voices across 50+ countries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Viewerslogicviewerslogic.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“ViewersLogic boosts your chances of hitting your business targets.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | We Live Contextwelivecontext.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 14 contacts → |
“We Live Context are a marketing and research team that inspires business and consumer brands around the world to make the best decisions and maximise their Return on Intelligence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Daividdaivid.co HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“DAIVID is THE #CreativeData signal for the advertising ecosystem, with unparalleled scale and depth.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Metametricsmetametrics.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 12 contacts → |
“Rigorous.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | PY Insights By Powr Of YOUinsights.powrofyou.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 12 contacts → |
“PY Insights by Powr of You is bringing innovative behavioral research tech to brands, agencies and research providers.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Alligator Digitalalligator-digital.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Alligator is now part of Ipsos, and using the Ipsos brand name, following acquisition in June 2025.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Independent Marketing Sciencesim-sciences.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 10 contacts → |
“As a global marketing effectiveness consultancy, we partner with CMOs and marketing teams to discover the insights from data to enable them to make better decisions to drive…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Smart Move Venturessmartmoveventures.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We are a dynamic team of researchers specialized in making data-driven decisions, primarily for B2B and B2C industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Skoposskopos.agency HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 9 contacts → |
“Evidence, calibrated for decision-ready confidence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 127 company matches
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Advertising research companies: dataset insights
September 19, 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
126 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 21.0dCompany record updated
Median 82.0dHow 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 19, 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 ↗
Questions about this company list
What does Exact match mean for advertising research companies?
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 advertising research companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 127 matching company records, 21,069 tracked contacts and 7,451 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 19, 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
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- Advertising research companies based in Brazil
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- Advertising research companies based in France
- Advertising research companies based in Germany
- Advertising research companies based in India
- Advertising research companies based in Japan
Cite this list
RevenueBase Data Team. Top 25 advertising research companies based in London, United Kingdom. Snapshot: September 19, 2026. https://revenuebase.ai/companies/advertising-research-companies/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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- Advertising research companies based in Sao Paulo, Brazil
- Advertising research companies based in Paris, France
- Advertising research companies based in Mumbai, India
- Advertising research companies based in New Delhi, India
- Advertising research companies based in New York, United States
- Advertising research companies based in Australia