Company lists · Data refreshed September 2026
Top 25 Big advertising agencies based in the United Kingdom
RevenueBase identified 3,994 company matches for big advertising agencies associated with the United Kingdom as of September 2026 and tracks 89,543 professional contacts across them, including 22,670 with verified work emails and 8,686 with mobile numbers. London is the largest hub.
This list covers company matches for big advertising agencies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 23, 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 big advertising agencies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,901 contacts → | ||||
Exact match “Publicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foundry, Starcom and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 2 | 5,287 contacts → | ||||
Exact match “Clinic is an independent creative agency.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 3 | 3,692 contacts → | ||||
Exact match “We discover the breakthroughs that brands need to win.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 4 | 2,944 contacts → | ||||
Exact match “Saatchi & Saatchi is a leading global communications and advertising network known for its impactful creative ideas that generate powerful emotional connections between consumers…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 5 | 2,182 contacts → | ||||
Exact match “Carat is the world’s first media agency and is privileged to work with some of today’s most storied and innovative brands.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 6 | 1,152 contacts → | ||||
Exact match “We’ve been delivering marketing and communications since 1961.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 7 | 983 contacts → | ||||
Exact match “OMG UK delivers transformational experiences for consumers, clients and talent.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 8 | 941 contacts → | ||||
Exact match “Welcome to dentsu X.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 9 | 820 contacts → | ||||
Exact match “VCCP is the global challenger network for challenger brands.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 10 | 811 contacts → | ||||
Exact match “Uber means over, above more than.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 11 | 649 contacts → | ||||
Exact match “We’re Linney, a connected marketing partner helping brands turn complexity into clarity across digital, physical and ecommerce channels.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 12 | 544 contacts → | ||||
Exact match “Happy to see you came here to learn a little more about us!” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 13 | 532 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 14 | 527 contacts → | ||||
Exact match “MG OMD, part of Omnicom Media, brings innovation, insight and creativity to the world of media.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 15 | 504 contacts → | ||||
Exact match “We believe in the power of difference to make a difference.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 16 | 502 contacts → | ||||
Exact match “Ogilvy UK inspires brands and people to impact the world.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 17 | 459 contacts → | ||||
Exact match “We are a creative agency that solves big business problems for brands with big ambitions.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 18 | 439 contacts → | ||||
Exact match “TMW, part of Accenture Song, is an integrated creative agency.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 19 | 416 contacts → | ||||
Exact match “EssenceMediacom is WPP Media's newest and largest agency, committed to delivering breakthroughs for brands in the New Communications Economy.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 20 | 371 contacts → | ||||
Exact match “Uncommon is a global creative studio based in New York, London & Stockholm, building brands that people in the real world actually wish existed.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 21 | 358 contacts → | ||||
Exact match “Bulletproof is the world’s largest independent brand agency, creating desire through disruption to accelerate growth, drive standout, and fuel fandom.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 22 | 311 contacts → | ||||
Exact match “IMA is a global agency with a simple purpose: to create connections people buy into, emotionally and literally.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 23 | 300 contacts → | ||||
Exact match “other is the creative business.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 24 | 299 contacts → | ||||
Exact match “WE ARE A GLOBAL CREATIVE DIGITAL AGENCY At DMS, we bring together a powerhouse of creative, media intelligence and digital disciplines under one roof to support world-class…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 25 | 295 contacts → | ||||
Exact match “the7stars is the UK’s largest independent media agency, offering the best people, the best service and the best creative media campaigns.” Recorded in the RevenueBase company graph · Sep 23, 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 “big advertising agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 3,994 big advertising agencies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 22,670 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Big advertising agencies based in the United Kingdom at a glance
As of Sep 23, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 88.0dHow 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 the United Kingdom whose business descriptions match “big advertising 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 22,670 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 23, 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.
Big advertising agencies by metro
- Big advertising agencies in London1490
- Big advertising agencies in Manchester142
- Big advertising agencies in Birmingham83
- Big advertising agencies in Leeds74
- Big advertising agencies in Bristol53
- Big advertising agencies in Glasgow48
- Big advertising agencies in Edinburgh45
- Big advertising agencies in Sheffield32
- Big advertising agencies in Nottingham31
- Big advertising agencies in Belfast30
- Big advertising agencies in Liverpool27
- Big advertising agencies in Newcastle Upon Tyne26
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 “big advertising agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many big advertising agencies are there based in the United Kingdom?
RevenueBase identified 3,994 company matches for big advertising agencies associated with the 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?
Publicis Media tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most big advertising agencies?
London leads with 1490 company records, followed by Manchester (142) and Birmingham (83).
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 22,670 professional contacts with verified work emails tracked across these 3,994 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 23, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,994 big advertising agencies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Big advertising agencies by geography
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- Big advertising agencies based in Australia
- Big advertising agencies based in Italy
- Big advertising agencies based in France
- Big advertising agencies based in the Netherlands
- Big advertising agencies based in South Africa
- Big advertising agencies based in Argentina
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
- Big advertising agencies based in the United States
- Big advertising agencies based in Brazil
- Big advertising agencies based in Germany
- Big advertising agencies based in Canada
- Big advertising agencies based in Spain
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Company intelligence · public preview
Top 25 big advertising agencies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,994 matching company records for big advertising agencies based in the United Kingdom, with 89,543 tracked contacts and 22,670 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 23, 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 big advertising agencies based in the 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 |  Publicis Mediapublicisgroupe.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,901 contacts → |
“Publicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foundry, Starcom and…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Clinicclinic.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 5,287 contacts → |
“Clinic is an independent creative agency.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Essencemediacomessencemediacom.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 3,692 contacts → |
“We discover the breakthroughs that brands need to win.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Saatchi & Saatchisaatchi.comHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 2,944 contacts → |
“Saatchi & Saatchi is a leading global communications and advertising network known for its impactful creative ideas that generate powerful emotional connections between consumers…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  CARATcarat.comHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 2,182 contacts → |
“Carat is the world’s first media agency and is privileged to work with some of today’s most storied and innovative brands.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  APS Grouptheapsgroup.comHQ: Stockport, United KingdomReported employees: 501-1,000 | Stockport, United Kingdom | 501-1,000 | Exact match | 1,152 contacts → |
“We’ve been delivering marketing and communications since 1961.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Omnicom Media Group UKomnicommediagroup.comHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 983 contacts → |
“OMG UK delivers transformational experiences for consumers, clients and talent.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Dentsu Xdxglobal.comHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 941 contacts → |
“Welcome to dentsu X.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  VCCPvccp.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 820 contacts → |
“VCCP is the global challenger network for challenger brands.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Uber Agencyuberagency.comHQ: Leeds, United KingdomReported employees: Not recorded | Leeds, United Kingdom | Not recorded | Exact match | 811 contacts → |
“Uber means over, above more than.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Linneylinney.comHQ: Mansfield, United KingdomReported employees: 1,001-5,000 | Mansfield, United Kingdom | 1,001-5,000 | Exact match | 649 contacts → |
“We’re Linney, a connected marketing partner helping brands turn complexity into clarity across digital, physical and ecommerce channels.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Mullenlowe Globalmullenloweglobal.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 544 contacts → |
“Happy to see you came here to learn a little more about us!” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Anything IS Possibleaip.mediaHQ: Brighton And Hove, United KingdomReported employees: 51-200 | Brighton And Hove, United Kingdom | 51-200 | Exact match | 532 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  MG OMDmgomd.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 527 contacts → |
“MG OMD, part of Omnicom Media, brings innovation, insight and creativity to the world of media.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  BBH Londonbartleboglehegarty.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 504 contacts → |
“We believe in the power of difference to make a difference.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ogilvy UKogilvy.comHQ: United KingdomReported employees: 501-1,000 | United Kingdom | 501-1,000 | Exact match | 502 contacts → |
“Ogilvy UK inspires brands and people to impact the world.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  AMV Bbdoamvbbdo.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 459 contacts → |
“We are a creative agency that solves big business problems for brands with big ambitions.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  TMWtmwunlimited.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 439 contacts → |
“TMW, part of Accenture Song, is an integrated creative agency.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Essencemediacom UKwppmedia.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 416 contacts → |
“EssenceMediacom is WPP Media's newest and largest agency, committed to delivering breakthroughs for brands in the New Communications Economy.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Uncommon Creative Studiouncommon.studioHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 371 contacts → |
“Uncommon is a global creative studio based in New York, London & Stockholm, building brands that people in the real world actually wish existed.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Bulletproofwearebulletproof.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 358 contacts → |
“Bulletproof is the world’s largest independent brand agency, creating desire through disruption to accelerate growth, drive standout, and fuel fandom.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  IMAima.globalHQ: Leeds, United KingdomReported employees: 201-500 | Leeds, United Kingdom | 201-500 | Exact match | 311 contacts → |
“IMA is a global agency with a simple purpose: to create connections people buy into, emotionally and literally.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Other Creative Limitedother.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 300 contacts → |
“other is the creative business.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  DMSdmsukltd.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 299 contacts → |
“WE ARE A GLOBAL CREATIVE DIGITAL AGENCY At DMS, we bring together a powerhouse of creative, media intelligence and digital disciplines under one roof to support world-class…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  The7starsthe7stars.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 295 contacts → |
“the7stars is the UK’s largest independent media agency, offering the best people, the best service and the best creative media campaigns.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,994 company matches
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Big advertising agencies: dataset insights
September 23, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,979 records in the displayed employee bands.
15 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 25.0dCompany record updated
Median 88.0dHow 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 23, 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 ↗
Big advertising agencies by metro
- Big advertising agencies in London1490
- Big advertising agencies in Manchester142
- Big advertising agencies in Birmingham83
- Big advertising agencies in Leeds74
- Big advertising agencies in Bristol53
- Big advertising agencies in Glasgow48
- Big advertising agencies in Edinburgh45
- Big advertising agencies in Sheffield32
- Big advertising agencies in Nottingham31
- Big advertising agencies in Belfast30
- Big advertising agencies in Liverpool27
- Big advertising agencies in Newcastle Upon Tyne26
Questions about this company list
What does Exact match mean for big advertising 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 big advertising agencies did RevenueBase find based in the United Kingdom?
The saved snapshot records 3,994 matching company records, 89,543 tracked contacts and 22,670 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 23, 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
Big advertising agencies by geography
- Big advertising agencies based in the United States
- Big advertising agencies based in Brazil
- Big advertising agencies based in Germany
- Big advertising agencies based in Canada
- Big advertising agencies based in Spain
- Big advertising agencies based in Mexico
- Big advertising agencies based in Australia
- Big advertising agencies based in Italy
- Big advertising agencies based in France
- Big advertising agencies based in the Netherlands
- Big advertising agencies based in South Africa
- Big advertising agencies based in Argentina
Cite this list
RevenueBase Data Team. Top 25 big advertising agencies based in the United Kingdom. Snapshot: September 23, 2026. https://revenuebase.ai/companies/big-advertising-agencies/united-kingdom.
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
- Big advertising agencies based in the United States
- Big advertising agencies based in Brazil
- Big advertising agencies based in Germany
- Big advertising agencies based in Canada
- Big advertising agencies based in Spain
- Big advertising agencies based in Mexico
Company intelligence · public preview
Top 25 big advertising agencies based in the United Kingdom
RevenueBase records 3,994 matching company records for big advertising agencies based in the United Kingdom, with 89,543 tracked contacts and 22,670 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 23, 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 big advertising agencies based in the 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 | Publicis Mediapublicisgroupe.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,901 contacts → |
“Publicis Media harnesses the power of modern media through leading agency brands Dysrupt, Infinite Roar, Publicis Collective, Publicis Health Media, Spark Foundry, Starcom and…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Clinicclinic.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 5,287 contacts → |
“Clinic is an independent creative agency.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Essencemediacomessencemediacom.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 3,692 contacts → |
“We discover the breakthroughs that brands need to win.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Saatchi & Saatchisaatchi.com HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 2,944 contacts → |
“Saatchi & Saatchi is a leading global communications and advertising network known for its impactful creative ideas that generate powerful emotional connections between consumers…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | CARATcarat.com HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 2,182 contacts → |
“Carat is the world’s first media agency and is privileged to work with some of today’s most storied and innovative brands.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | APS Grouptheapsgroup.com HQ: Stockport, United KingdomReported employees: 501-1,000 | Stockport, United Kingdom | 501-1,000 | Exact match | 1,152 contacts → |
“We’ve been delivering marketing and communications since 1961.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Omnicom Media Group UKomnicommediagroup.com HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 983 contacts → |
“OMG UK delivers transformational experiences for consumers, clients and talent.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Dentsu Xdxglobal.com HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 941 contacts → |
“Welcome to dentsu X.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | VCCPvccp.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 820 contacts → |
“VCCP is the global challenger network for challenger brands.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Uber Agencyuberagency.com HQ: Leeds, United KingdomReported employees: Not recorded | Leeds, United Kingdom | Not recorded | Exact match | 811 contacts → |
“Uber means over, above more than.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Linneylinney.com HQ: Mansfield, United KingdomReported employees: 1,001-5,000 | Mansfield, United Kingdom | 1,001-5,000 | Exact match | 649 contacts → |
“We’re Linney, a connected marketing partner helping brands turn complexity into clarity across digital, physical and ecommerce channels.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mullenlowe Globalmullenloweglobal.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 544 contacts → |
“Happy to see you came here to learn a little more about us!” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Anything IS Possibleaip.media HQ: Brighton And Hove, United KingdomReported employees: 51-200 | Brighton And Hove, United Kingdom | 51-200 | Exact match | 532 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | MG OMDmgomd.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 527 contacts → |
“MG OMD, part of Omnicom Media, brings innovation, insight and creativity to the world of media.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | BBH Londonbartleboglehegarty.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 504 contacts → |
“We believe in the power of difference to make a difference.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ogilvy UKogilvy.com HQ: United KingdomReported employees: 501-1,000 | United Kingdom | 501-1,000 | Exact match | 502 contacts → |
“Ogilvy UK inspires brands and people to impact the world.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | AMV Bbdoamvbbdo.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 459 contacts → |
“We are a creative agency that solves big business problems for brands with big ambitions.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TMWtmwunlimited.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 439 contacts → |
“TMW, part of Accenture Song, is an integrated creative agency.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Essencemediacom UKwppmedia.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 416 contacts → |
“EssenceMediacom is WPP Media's newest and largest agency, committed to delivering breakthroughs for brands in the New Communications Economy.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Uncommon Creative Studiouncommon.studio HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 371 contacts → |
“Uncommon is a global creative studio based in New York, London & Stockholm, building brands that people in the real world actually wish existed.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bulletproofwearebulletproof.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 358 contacts → |
“Bulletproof is the world’s largest independent brand agency, creating desire through disruption to accelerate growth, drive standout, and fuel fandom.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | IMAima.global HQ: Leeds, United KingdomReported employees: 201-500 | Leeds, United Kingdom | 201-500 | Exact match | 311 contacts → |
“IMA is a global agency with a simple purpose: to create connections people buy into, emotionally and literally.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Other Creative Limitedother.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 300 contacts → |
“other is the creative business.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | DMSdmsukltd.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 299 contacts → |
“WE ARE A GLOBAL CREATIVE DIGITAL AGENCY At DMS, we bring together a powerhouse of creative, media intelligence and digital disciplines under one roof to support world-class…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | The7starsthe7stars.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 295 contacts → |
“the7stars is the UK’s largest independent media agency, offering the best people, the best service and the best creative media campaigns.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,994 company matches
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Big advertising agencies: dataset insights
September 23, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,979 records in the displayed employee bands.
15 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 25.0dCompany record updated
Median 88.0dHow 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 23, 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 ↗
Big advertising agencies by metro
- Big advertising agencies in London1490
- Big advertising agencies in Manchester142
- Big advertising agencies in Birmingham83
- Big advertising agencies in Leeds74
- Big advertising agencies in Bristol53
- Big advertising agencies in Glasgow48
- Big advertising agencies in Edinburgh45
- Big advertising agencies in Sheffield32
- Big advertising agencies in Nottingham31
- Big advertising agencies in Belfast30
- Big advertising agencies in Liverpool27
- Big advertising agencies in Newcastle Upon Tyne26
Questions about this company list
What does Exact match mean for big advertising 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 big advertising agencies did RevenueBase find based in the United Kingdom?
The saved snapshot records 3,994 matching company records, 89,543 tracked contacts and 22,670 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 23, 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 big advertising agencies based in the United Kingdom. Snapshot: September 23, 2026. https://revenuebase.ai/companies/big-advertising-agencies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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