Company lists · Data refreshed September 2026
Top 25 Market research agencies based in London, United Kingdom
RevenueBase identified 248 company matches for market research agencies associated with London, United Kingdom as of September 2026 and tracks 7,644 professional contacts across them, including 2,738 with verified work emails and 757 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for market research 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 13, 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 market research agencies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 13, 2026 · View company records in RevenueBase | |||||
| 2 | 1,475 contacts → | ||||
Exact match “At Mintel, we empower businesses to navigate the future with confidence.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 3 | 502 contacts → | ||||
Exact match “Kantar is the world’s leading marketing data and analytics company.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 4 | 464 contacts → | ||||
Exact match “Savanta is a fast-growing data, market research and advisory company.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 5 | 420 contacts → | ||||
Exact match “Established in 1965, IFF is a social and market research agency who helps people make better informed decisions.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 6 | 312 contacts → | ||||
Exact match “RONIN International is an independent B2B market research company specialising in business, healthcare and tech studies.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 7 | 213 contacts → | ||||
Exact match “Kudos Research has been providing high value, competitively priced, market research services to both internal and external clients since 1986.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 8 | 178 contacts → | ||||
Exact match “The world’s most experienced B2B market research company.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 9 | 147 contacts → | ||||
Exact match “Where Evidence Matters I The Market Research Society (MRS) is the world’s leading research association, driven by the principle that evidence matters.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 10 | 106 contacts → | ||||
Exact match “Researchbods delivers insight that drives action for ambitious brands.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 11 | 104 contacts → | ||||
Exact match “Opinium is a multi-award-winning strategic insight agency, twice recognised Market Research Society (MRS)'Agency of the Year' in the past five years.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 12 | 71 contacts → | ||||
Exact match “Censuswide is a consultancy that specialises in quantitative and qualitative market research for PR, marketing and insight purposes.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 13 | 69 contacts → | ||||
Exact match “MASMI is a full-service international market research company with broad industry expertise specialising in delivering research insights and decision support, based on state of…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 14 | 68 contacts → | ||||
Exact match “Perspective is now part of Ipsos, and using the Ipsos brand name, following acquisition in June 2025.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 15 | 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 13, 2026 · View company records in RevenueBase | |||||
| 16 | 47 contacts → | ||||
Exact match “Serrula Research is a London based market research agency specialising in recruitment, expert network sourcing, and tailored fieldwork.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 17 | 40 contacts → | ||||
Exact match “We’re a Certified B Corp™, full-service market research agency based in London, and we're experts in B2B & Technology market research.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 18 | 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 13, 2026 · View company records in RevenueBase | |||||
| 19 | 37 contacts → | ||||
Exact match “Precision Business Insights is one of the leading market research and business consulting firm, which follow a holistic approach to solve the client needs.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 20 | 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 13, 2026 · View company records in RevenueBase | |||||
| 21 | 33 contacts → | ||||
Exact match “Iconic brands can’t afford flat research in today’s world.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 22 | 29 contacts → | ||||
Exact match “Teamvisory is a global full-service market research and data collection company offering quantitative and qualitative research solutions across international markets.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 23 | 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 13, 2026 · View company records in RevenueBase | |||||
| 24 | 27 contacts → | ||||
Exact match “Leftfield is an independent market research fieldwork agency operating globally from our offices in London, Amsterdam and Pune.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 25 | 25 contacts → | ||||
Exact match “Research In Finance is an award winning market research and business information provider that specialises in the financial services market.” Recorded in the RevenueBase company graph · Sep 13, 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 “market research 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 248 market research agencies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 2,738 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Market research agencies based in London, United Kingdom at a glance
As of Sep 13, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 15.0dCompany record updated
Median 77.0dHow 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 “market research 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 2,738 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 13, 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 “market research agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many market research agencies are there based in London, United Kingdom?
RevenueBase identified 248 company matches for market research 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?
Ipsos In The UK 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 market research agencies?
London leads the United Kingdom with 248 company records, followed by Manchester (14) and Leeds (10).
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 2,738 professional contacts with verified work emails tracked across these 248 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 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 248 market research agencies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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- Market research agencies based in Italy
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- Market research agencies based in South Africa
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
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- Lists A-Z
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- Market research agencies based in the United States
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- Market research agencies based in Australia
Company intelligence · public preview
Top 25 market research 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 248 matching company records for market research agencies based in London, United Kingdom, with 7,644 tracked contacts and 2,738 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 13, 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 market research 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 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Mintelmintel.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,475 contacts → |
“At Mintel, we empower businesses to navigate the future with confidence.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Consulting By Kantarkantar.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 502 contacts → |
“Kantar is the world’s leading marketing data and analytics company.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Savantasavanta.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 464 contacts → |
“Savanta is a fast-growing data, market research and advisory company.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  IFF Researchiffresearch.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 420 contacts → |
“Established in 1965, IFF is a social and market research agency who helps people make better informed decisions.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ronin Internationalronin.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 312 contacts → |
“RONIN International is an independent B2B market research company specialising in business, healthcare and tech studies.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Kudos Researchkudosresearch.comHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 213 contacts → |
“Kudos Research has been providing high value, competitively priced, market research services to both internal and external clients since 1986.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  B2B Internationalb2binternational.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 178 contacts → |
“The world’s most experienced B2B market research company.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  MRSmrs.org.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 147 contacts → |
“Where Evidence Matters I The Market Research Society (MRS) is the world’s leading research association, driven by the principle that evidence matters.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Opinium Insights With Impactopinium.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Opinium is a multi-award-winning strategic insight agency, twice recognised Market Research Society (MRS)'Agency of the Year' in the past five years.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Censuswidecensuswide.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 71 contacts → |
“Censuswide is a consultancy that specialises in quantitative and qualitative market research for PR, marketing and insight purposes.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  MASMImasmi.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 69 contacts → |
“MASMI is a full-service international market research company with broad industry expertise specialising in delivering research insights and decision support, based on state of…” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Perspective Research Servicesperspectivemr.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 68 contacts → |
“Perspective is now part of Ipsos, and using the Ipsos brand name, following acquisition in June 2025.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Serrula Researchserrula-research.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 47 contacts → |
“Serrula Research is a London based market research agency specialising in recruitment, expert network sourcing, and tailored fieldwork.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sapio Researchsapioresearch.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“We’re a Certified B Corp™, full-service market research agency based in London, and we're experts in B2B & Technology market research.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Precision Business Insightsprecisionbusinessinsights.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 37 contacts → |
“Precision Business Insights is one of the leading market research and business consulting firm, which follow a holistic approach to solve the client needs.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Davies Mckerrdaviesmckerr.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Iconic brands can’t afford flat research in today’s world.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Teamvisoryteamvizory.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Teamvisory is a global full-service market research and data collection company offering quantitative and qualitative research solutions across international markets.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Leftfieldleftfield.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Leftfield is an independent market research fieldwork agency operating globally from our offices in London, Amsterdam and Pune.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Research In Financeresearchinfinance.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Research In Finance is an award winning market research and business information provider that specialises in the financial services market.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 248 company matches
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Market research agencies: dataset insights
September 13, 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
247 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 15.0dCompany record updated
Median 77.0dHow 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 13, 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 market research 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 market research agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 248 matching company records, 7,644 tracked contacts and 2,738 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 13, 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
Market research agencies by geography
- Market research agencies based in the United States
- Market research agencies based in the United Kingdom
- Market research agencies based in Brazil
- Market research agencies based in Germany
- Market research agencies based in France
- Market research agencies based in Australia
- Market research agencies based in Mexico
- Market research agencies based in Canada
- Market research agencies based in Spain
- Market research agencies based in Italy
- Market research agencies based in the Netherlands
- Market research agencies based in South Africa
Cite this list
RevenueBase Data Team. Top 25 market research agencies based in London, United Kingdom. Snapshot: September 13, 2026. https://revenuebase.ai/companies/market-research-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
- Market research agencies based in the United States
- Market research agencies based in the United Kingdom
- Market research agencies based in Brazil
- Market research agencies based in Germany
- Market research agencies based in France
- Market research agencies based in Australia
Company intelligence · public preview
Top 25 market research agencies based in London, United Kingdom
RevenueBase records 248 matching company records for market research agencies based in London, United Kingdom, with 7,644 tracked contacts and 2,738 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 13, 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 market research 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 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Mintelmintel.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,475 contacts → |
“At Mintel, we empower businesses to navigate the future with confidence.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Consulting By Kantarkantar.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 502 contacts → |
“Kantar is the world’s leading marketing data and analytics company.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Savantasavanta.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 464 contacts → |
“Savanta is a fast-growing data, market research and advisory company.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | IFF Researchiffresearch.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 420 contacts → |
“Established in 1965, IFF is a social and market research agency who helps people make better informed decisions.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ronin Internationalronin.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 312 contacts → |
“RONIN International is an independent B2B market research company specialising in business, healthcare and tech studies.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Kudos Researchkudosresearch.com HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 213 contacts → |
“Kudos Research has been providing high value, competitively priced, market research services to both internal and external clients since 1986.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | B2B Internationalb2binternational.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 178 contacts → |
“The world’s most experienced B2B market research company.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MRSmrs.org.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 147 contacts → |
“Where Evidence Matters I The Market Research Society (MRS) is the world’s leading research association, driven by the principle that evidence matters.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Opinium Insights With Impactopinium.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 104 contacts → |
“Opinium is a multi-award-winning strategic insight agency, twice recognised Market Research Society (MRS)'Agency of the Year' in the past five years.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Censuswidecensuswide.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 71 contacts → |
“Censuswide is a consultancy that specialises in quantitative and qualitative market research for PR, marketing and insight purposes.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | MASMImasmi.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 69 contacts → |
“MASMI is a full-service international market research company with broad industry expertise specialising in delivering research insights and decision support, based on state of…” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Perspective Research Servicesperspectivemr.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 68 contacts → |
“Perspective is now part of Ipsos, and using the Ipsos brand name, following acquisition in June 2025.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Serrula Researchserrula-research.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 47 contacts → |
“Serrula Research is a London based market research agency specialising in recruitment, expert network sourcing, and tailored fieldwork.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sapio Researchsapioresearch.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 40 contacts → |
“We’re a Certified B Corp™, full-service market research agency based in London, and we're experts in B2B & Technology market research.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Precision Business Insightsprecisionbusinessinsights.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 37 contacts → |
“Precision Business Insights is one of the leading market research and business consulting firm, which follow a holistic approach to solve the client needs.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Davies Mckerrdaviesmckerr.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Iconic brands can’t afford flat research in today’s world.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Teamvisoryteamvizory.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Teamvisory is a global full-service market research and data collection company offering quantitative and qualitative research solutions across international markets.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Leftfieldleftfield.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Leftfield is an independent market research fieldwork agency operating globally from our offices in London, Amsterdam and Pune.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Research In Financeresearchinfinance.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 25 contacts → |
“Research In Finance is an award winning market research and business information provider that specialises in the financial services market.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 248 company matches
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Market research agencies: dataset insights
September 13, 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
247 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 15.0dCompany record updated
Median 77.0dHow 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 13, 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 market research 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 market research agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 248 matching company records, 7,644 tracked contacts and 2,738 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 13, 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 market research agencies based in London, United Kingdom. Snapshot: September 13, 2026. https://revenuebase.ai/companies/market-research-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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