Company lists · Data refreshed September 2026
Top 25 Digital advertising agencies based in London, United Kingdom
RevenueBase identified 1,167 company matches for digital advertising agencies associated with London, United Kingdom as of September 2026 and tracks 20,800 professional contacts across them, including 2,901 with verified work emails and 2,245 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for digital advertising 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 11, 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 digital advertising agencies based in London, 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 11, 2026 · View company records in RevenueBase | |||||
| 2 | 457 contacts → | ||||
Exact match “We are a Global digital media agency specializing in taking a human approach to connecting brands with people across all channels.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 3 | 401 contacts → | ||||
Exact match “LoopMe is bringing brands into apps, powered by AI agents.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 4 | 210 contacts → | ||||
Exact match “A world where complexity is the only constant demands a new breed of company.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 5 | 178 contacts → | ||||
Exact match “All Response Media is the leading performance media planning and buying agency.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 6 | 177 contacts → | ||||
Exact match “Founded in 1991, with offices in Amsterdam, Bath, Dubai and London our award-winning employee-owned company has consistently ranked as one of the UK's leading independent digital…” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 7 | 155 contacts → | ||||
Exact match “Expandi Group is a global leader in AdTech, MarTech and Managed Services.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 8 | 130 contacts → | ||||
Exact match “Crimtan was established in 2009 with a clear mission: to be a trusted partner for brands navigating the complex world of programmatic advertising.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 9 | 104 contacts → | ||||
Exact match “We're Found, the Everysearch™ agency.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 10 | 99 contacts → | ||||
Exact match “Admixer is an independent adtech company that develops an ecosystem of full-stack programmatic solutions.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 11 | 83 contacts → | ||||
Exact match “Powered by our people, our campaigns put your audience first.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 12 | 79 contacts → | ||||
Exact match “Social Boost has helped to grow more than 25 million real Followers, created content for 100+ brands, and generated over 300k sales leads.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 13 | 69 contacts → | ||||
Exact match “Nest Commerce is a technology-led agency working with brands like Urban Outfitters, Hims and Damson Madder.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 14 | 66 contacts → | ||||
Exact match “As a new chapter in our Digital Agency begins, we are also a fantastic place to work, with a reputation for discovering and nurturing some of the finest minds in the business…” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 15 | 64 contacts → | ||||
Exact match “We are an award-winning full-service digital agency, part of Jakala group with 1,800 employees across 16 countries around the world.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 16 | 57 contacts → | ||||
Exact match “We are ROAST.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 17 | 56 contacts → | ||||
Exact match “WCRS is a creative agency where classical brand building meets cutting edge digital thinking.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 18 | 54 contacts → | ||||
Exact match “OCM is a leading adtech agency providing solutions to advertisers, advertising agencies and to web, mobile & video publishers.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 19 | 48 contacts → | ||||
Exact match “We're a strategic digital marketing agency specialising in Paid Search, SEO, Google Shopping, Amazon and Social.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 20 | 48 contacts → | ||||
Exact match “We are a leading independent digital media agency.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 21 | 45 contacts → | ||||
Exact match “Bambu is an online marketing and advertising agency based in London, working with startup and growth brands across the UK, Europe and North America, founded by two ex-WPP…” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 22 | 44 contacts → | ||||
Exact match “Beautiful Digital is a full service digital marketing agency.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 23 | 39 contacts → | ||||
Exact match “Focus on strategy, not manually time-consuming tasks.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 24 | 39 contacts → | ||||
Exact match “Kinase is a leading Digital Marketing Agency providing services to some of the UK’s top companies.” Recorded in the RevenueBase company graph · Sep 11, 2026 · View company records in RevenueBase | |||||
| 25 | 38 contacts → | ||||
Exact match “Our platform helps performance marketers scale social, display and retail media campaigns.” Recorded in the RevenueBase company graph · Sep 11, 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 “digital 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 1,167 digital advertising agencies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 2,901 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Digital advertising agencies based in London, United Kingdom at a glance
As of Sep 11, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 14.0dCompany record updated
Median 63.0dHow 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 “digital 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 2,901 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 11, 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.
Digital advertising agencies by metro in the United Kingdom
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “digital advertising agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many digital advertising agencies are there based in London, United Kingdom?
RevenueBase identified 1,167 company matches for digital advertising 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?
Publicis Media 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 digital advertising agencies?
London leads the United Kingdom with 3,131 company records, followed by Manchester (418) and Birmingham (260).
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 2,901 professional contacts with verified work emails tracked across these 1,167 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 11, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,167 digital advertising agencies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Digital advertising agencies based in the United States
- Digital advertising agencies based in the United Kingdom
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- Digital advertising agencies based in Canada
- Digital advertising agencies based in Spain
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Company intelligence · public preview
Top 25 digital advertising 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 1,167 matching company records for digital advertising agencies based in London, United Kingdom, with 20,800 tracked contacts and 2,901 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 11, 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 digital advertising 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 |  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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  M C Saatchi Performancemcsaatchiperformance.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 457 contacts → |
“We are a Global digital media agency specializing in taking a human approach to connecting brands with people across all channels.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Loopmeloopme.aiHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 401 contacts → |
“LoopMe is bringing brands into apps, powered by AI agents.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Brave Bisonbravebison.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 210 contacts → |
“A world where complexity is the only constant demands a new breed of company.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ALL Response Mediaallresponsemedia.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 178 contacts → |
“All Response Media is the leading performance media planning and buying agency.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  BIG Groupbiggroup.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 177 contacts → |
“Founded in 1991, with offices in Amsterdam, Bath, Dubai and London our award-winning employee-owned company has consistently ranked as one of the UK's leading independent digital…” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Expandi Groupexpandigroup.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 155 contacts → |
“Expandi Group is a global leader in AdTech, MarTech and Managed Services.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Crimtancrimtan.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 130 contacts → |
“Crimtan was established in 2009 with a clear mission: to be a trusted partner for brands navigating the complex world of programmatic advertising.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  FOUNDfound.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 104 contacts → |
“We're Found, the Everysearch™ agency.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Admixeradmixer.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 99 contacts → |
“Admixer is an independent adtech company that develops an ecosystem of full-stack programmatic solutions.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  The Media Peoplethemediapeople.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 83 contacts → |
“Powered by our people, our campaigns put your audience first.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Social Boostsocialboost.coHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Social Boost has helped to grow more than 25 million real Followers, created content for 100+ brands, and generated over 300k sales leads.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Nest Commercenestcommerce.coHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 69 contacts → |
“Nest Commerce is a technology-led agency working with brands like Urban Outfitters, Hims and Damson Madder.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Clickscoclicksco.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 66 contacts → |
“As a new chapter in our Digital Agency begins, we are also a fantastic place to work, with a reputation for discovering and nurturing some of the finest minds in the business…” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  77agency77agency.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 64 contacts → |
“We are an award-winning full-service digital agency, part of Jakala group with 1,800 employees across 16 countries around the world.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  ROASTweareroast.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 57 contacts → |
“We are ROAST.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  WCRSwcrs.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 56 contacts → |
“WCRS is a creative agency where classical brand building meets cutting edge digital thinking.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  OCM Digital Mediaorangeclickmedia.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 54 contacts → |
“OCM is a leading adtech agency providing solutions to advertisers, advertising agencies and to web, mobile & video publishers.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Stellar Searchstellarsearch.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“We're a strategic digital marketing agency specialising in Paid Search, SEO, Google Shopping, Amazon and Social.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Harvest Digitalharvestdigital.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“We are a leading independent digital media agency.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  BAMBUbambuagency.comHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 45 contacts → |
“Bambu is an online marketing and advertising agency based in London, working with startup and growth brands across the UK, Europe and North America, founded by two ex-WPP…” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Beautiful Digitalbeautifuldigital.mediaHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“Beautiful Digital is a full service digital marketing agency.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sembotsembot.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Focus on strategy, not manually time-consuming tasks.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kinasekinase.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Kinase is a leading Digital Marketing Agency providing services to some of the UK’s top companies.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Automated Creativeautomatedcreative.netHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 38 contacts → |
“Our platform helps performance marketers scale social, display and retail media campaigns.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,167 company matches
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Digital advertising agencies: dataset insights
September 11, 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
1,165 records in the displayed employee bands.
2 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 14.0dCompany record updated
Median 63.0dHow 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 11, 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 ↗
Digital advertising agencies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for digital 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 digital advertising agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 1,167 matching company records, 20,800 tracked contacts and 2,901 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 11, 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
Digital advertising agencies by geography
- Digital advertising agencies based in the United States
- Digital advertising agencies based in the United Kingdom
- Digital advertising agencies based in Brazil
- Digital advertising agencies based in Canada
- Digital advertising agencies based in Spain
- Digital advertising agencies based in France
- Digital advertising agencies based in Australia
- Digital advertising agencies based in Germany
- Digital advertising agencies based in Italy
- Digital advertising agencies based in the Netherlands
- Digital advertising agencies based in Mexico
- Digital advertising agencies based in South Africa
Cite this list
RevenueBase Data Team. Top 25 digital advertising agencies based in London, United Kingdom. Snapshot: September 11, 2026. https://revenuebase.ai/companies/digital-advertising-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
- Digital advertising agencies based in the United States
- Digital advertising agencies based in the United Kingdom
- Digital advertising agencies based in Brazil
- Digital advertising agencies based in Canada
- Digital advertising agencies based in Spain
- Digital advertising agencies based in France
Company intelligence · public preview
Top 25 digital advertising agencies based in London, United Kingdom
RevenueBase records 1,167 matching company records for digital advertising agencies based in London, United Kingdom, with 20,800 tracked contacts and 2,901 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 11, 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 digital advertising 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 | 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | M C Saatchi Performancemcsaatchiperformance.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 457 contacts → |
“We are a Global digital media agency specializing in taking a human approach to connecting brands with people across all channels.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Loopmeloopme.ai HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 401 contacts → |
“LoopMe is bringing brands into apps, powered by AI agents.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Brave Bisonbravebison.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 210 contacts → |
“A world where complexity is the only constant demands a new breed of company.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ALL Response Mediaallresponsemedia.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 178 contacts → |
“All Response Media is the leading performance media planning and buying agency.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | BIG Groupbiggroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 177 contacts → |
“Founded in 1991, with offices in Amsterdam, Bath, Dubai and London our award-winning employee-owned company has consistently ranked as one of the UK's leading independent digital…” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Expandi Groupexpandigroup.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 155 contacts → |
“Expandi Group is a global leader in AdTech, MarTech and Managed Services.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Crimtancrimtan.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 130 contacts → |
“Crimtan was established in 2009 with a clear mission: to be a trusted partner for brands navigating the complex world of programmatic advertising.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | FOUNDfound.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 104 contacts → |
“We're Found, the Everysearch™ agency.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Admixeradmixer.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 99 contacts → |
“Admixer is an independent adtech company that develops an ecosystem of full-stack programmatic solutions.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | The Media Peoplethemediapeople.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 83 contacts → |
“Powered by our people, our campaigns put your audience first.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Social Boostsocialboost.co HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Social Boost has helped to grow more than 25 million real Followers, created content for 100+ brands, and generated over 300k sales leads.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Nest Commercenestcommerce.co HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 69 contacts → |
“Nest Commerce is a technology-led agency working with brands like Urban Outfitters, Hims and Damson Madder.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Clickscoclicksco.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 66 contacts → |
“As a new chapter in our Digital Agency begins, we are also a fantastic place to work, with a reputation for discovering and nurturing some of the finest minds in the business…” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 77agency77agency.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 64 contacts → |
“We are an award-winning full-service digital agency, part of Jakala group with 1,800 employees across 16 countries around the world.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ROASTweareroast.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 57 contacts → |
“We are ROAST.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | WCRSwcrs.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 56 contacts → |
“WCRS is a creative agency where classical brand building meets cutting edge digital thinking.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | OCM Digital Mediaorangeclickmedia.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 54 contacts → |
“OCM is a leading adtech agency providing solutions to advertisers, advertising agencies and to web, mobile & video publishers.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Stellar Searchstellarsearch.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“We're a strategic digital marketing agency specialising in Paid Search, SEO, Google Shopping, Amazon and Social.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Harvest Digitalharvestdigital.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 48 contacts → |
“We are a leading independent digital media agency.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | BAMBUbambuagency.com HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 45 contacts → |
“Bambu is an online marketing and advertising agency based in London, working with startup and growth brands across the UK, Europe and North America, founded by two ex-WPP…” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Beautiful Digitalbeautifuldigital.media HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 44 contacts → |
“Beautiful Digital is a full service digital marketing agency.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sembotsembot.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Focus on strategy, not manually time-consuming tasks.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kinasekinase.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 39 contacts → |
“Kinase is a leading Digital Marketing Agency providing services to some of the UK’s top companies.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Automated Creativeautomatedcreative.net HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 38 contacts → |
“Our platform helps performance marketers scale social, display and retail media campaigns.” Recorded description excerpt · September 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,167 company matches
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Digital advertising agencies: dataset insights
September 11, 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
1,165 records in the displayed employee bands.
2 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 14.0dCompany record updated
Median 63.0dHow 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 11, 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 ↗
Digital advertising agencies by metro in the United Kingdom
Questions about this company list
What does Exact match mean for digital 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 digital advertising agencies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 1,167 matching company records, 20,800 tracked contacts and 2,901 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 11, 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 digital advertising agencies based in London, United Kingdom. Snapshot: September 11, 2026. https://revenuebase.ai/companies/digital-advertising-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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