Company lists · Data refreshed November 2026
Top 15 Ad verification services based in the United Kingdom
RevenueBase identified 44 company matches for ad verification services associated with the United Kingdom as of November 2026 and tracks 597 professional contacts across them, including 211 with verified work emails. London is the largest hub.
This list covers company matches for ad verification services 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 November 6, 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 15 largest ad verification services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 220 contacts → | ||||
Exact match “Most platforms act like middlemen, they take your data, dilute your brand, and charge you for clicks-but you own nothing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 124 contacts → | ||||
Exact match “Permutive is the predictive collaboration platform enabling Walled Garden outcomes on the Open Internet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 52 contacts → | ||||
Exact match “We connect brands to audiences and publishers to revenue.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 15 contacts → | ||||
Exact match “AuditStar is a marketing solutions and media auditing consultancy with global reach.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 14 contacts → | ||||
Exact match “Afront is a global programmatic advertising company empowering advertisers, publishers, and agencies to stand out and scale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 12 contacts → | ||||
Exact match “We detect and risk score websites and apps actively engaged in crime and block the advertising that funds them- We track good ads in bad places to protect brands - We track bad…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 12 contacts → | ||||
Exact match “United4digital is a global marketing company specializing in video and audio advertising solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 8 contacts → | ||||
Exact match “At Numodo, we understand the importance of staying ahead in the digital advertising landscape.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 8 contacts → | ||||
Exact match “Switch manages over 50 billion global ad impressions per month, and lead the market with a reach of over 80% into the UK population (comScore).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “SIGWICK MEDIA | A Global Programmatic Advertising Platform, buyers may use real-time bidding on direct premium inventory through SIGWICK MEDIA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “From the beginning, Open Horizons Media has been a programmatic advertising company dedicated to achieving digital advertising success for businesses of all sizes!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “Seika (Say-Ka) is a Japanese word that means achievement or results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Moonpull is a technology-powered specialist auditing platform for affiliate tracking, focused on improving the trust, respect and integrity in advertiser and publisher…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 1 contacts → | ||||
Exact match “GAFF is a programmatic focused media company, working primarily in the DOOH, InApp and CTV environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 1 contacts → | ||||
Exact match “Created in 2020, Fundree & Co is a modern, traffic hub agency.” Recorded in the RevenueBase company graph · Nov 6, 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 “ad verification services”. 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 15 of 44 ad verification services based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 211 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Ad verification services based in the United Kingdom at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 44 companies.
How 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 “ad verification services” 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 211 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 November 6, 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.
Ad verification services by metro
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 “ad verification services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ad verification services are there based in the United Kingdom?
RevenueBase identified 44 company matches for ad verification services associated with the United Kingdom as of November 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?
PION tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most ad verification services?
London leads with 28 company records, followed by Bath (2) and Lisburn (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 211 professional contacts with verified work emails tracked across these 44 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 44 ad verification services based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Ad verification services by geography
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.
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Company intelligence · public preview
Top 15 ad verification services 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 44 matching company records for ad verification services based in the United Kingdom, with 597 tracked contacts and 211 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 15 ad verification services 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 |  PIONwearepion.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 220 contacts → |
“Most platforms act like middlemen, they take your data, dilute your brand, and charge you for clicks-but you own nothing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Permutivepermutive.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 124 contacts → |
“Permutive is the predictive collaboration platform enabling Walled Garden outcomes on the Open Internet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Publisher Collectivepublisher-collective.comHQ: Bath, United KingdomReported employees: 51-200 | Bath, United Kingdom | 51-200 | Exact match | 52 contacts → |
“We connect brands to audiences and publishers to revenue.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Auditstarauditstar.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“AuditStar is a marketing solutions and media auditing consultancy with global reach.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Afrontafront.ioHQ: Lisburn, United KingdomReported employees: 51-200 | Lisburn, United Kingdom | 51-200 | Exact match | 14 contacts → |
“Afront is a global programmatic advertising company empowering advertisers, publishers, and agencies to stand out and scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  White Bullet Solutions Limitedwhite-bullet.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“We detect and risk score websites and apps actively engaged in crime and block the advertising that funds them- We track good ads in bad places to protect brands - We track bad…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  United4digitalunited4digital.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 12 contacts → |
“United4digital is a global marketing company specializing in video and audio advertising solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Numodonumodo.coHQ: Manchester, United KingdomReported employees: 1-10 | Manchester, United Kingdom | 1-10 | Exact match | 8 contacts → |
“At Numodo, we understand the importance of staying ahead in the digital advertising landscape.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Switch Conceptsswitchconcepts.comHQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Switch manages over 50 billion global ad impressions per month, and lead the market with a reach of over 80% into the UK population (comScore).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sigwick Media LTDsigwickmedia.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“SIGWICK MEDIA | A Global Programmatic Advertising Platform, buyers may use real-time bidding on direct premium inventory through SIGWICK MEDIA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Open Horizons Mediaopenhorizonsmedia.coHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“From the beginning, Open Horizons Media has been a programmatic advertising company dedicated to achieving digital advertising success for businesses of all sizes!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Seika Mediaseikamedia.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Seika (Say-Ka) is a Japanese word that means achievement or results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Moonpullmoonpullpartners.comHQ: Bradfield, United KingdomReported employees: 1-10 | Bradfield, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Moonpull is a technology-powered specialist auditing platform for affiliate tracking, focused on improving the trust, respect and integrity in advertiser and publisher…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Gaff Mediagaffmedia.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“GAFF is a programmatic focused media company, working primarily in the DOOH, InApp and CTV environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Fundree & COfundree-co.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Created in 2020, Fundree & Co is a modern, traffic hub agency.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 44 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Ad verification services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
44 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 44 companies.
How 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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: November 6, 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 ↗
Ad verification services by metro
Questions about this company list
What does Exact match mean for ad verification services?
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 ad verification services did RevenueBase find based in the United Kingdom?
The saved snapshot records 44 matching company records, 597 tracked contacts and 211 verified emails. The public preview displays 15 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: November 6, 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
Ad verification services by geography
Cite this list
RevenueBase Data Team. Top 15 ad verification services based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/ad-verification-services/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
- Ad verification services based in London, United Kingdom
- Ad verification services based in New York, United States
- Ad verification services based in India
- Ad verification services based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom
Company intelligence · public preview
Top 15 ad verification services based in the United Kingdom
RevenueBase records 44 matching company records for ad verification services based in the United Kingdom, with 597 tracked contacts and 211 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 15 ad verification services 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 | PIONwearepion.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 220 contacts → |
“Most platforms act like middlemen, they take your data, dilute your brand, and charge you for clicks-but you own nothing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Permutivepermutive.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 124 contacts → |
“Permutive is the predictive collaboration platform enabling Walled Garden outcomes on the Open Internet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Publisher Collectivepublisher-collective.com HQ: Bath, United KingdomReported employees: 51-200 | Bath, United Kingdom | 51-200 | Exact match | 52 contacts → |
“We connect brands to audiences and publishers to revenue.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Auditstarauditstar.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“AuditStar is a marketing solutions and media auditing consultancy with global reach.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Afrontafront.io HQ: Lisburn, United KingdomReported employees: 51-200 | Lisburn, United Kingdom | 51-200 | Exact match | 14 contacts → |
“Afront is a global programmatic advertising company empowering advertisers, publishers, and agencies to stand out and scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | White Bullet Solutions Limitedwhite-bullet.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“We detect and risk score websites and apps actively engaged in crime and block the advertising that funds them- We track good ads in bad places to protect brands - We track bad…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | United4digitalunited4digital.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 12 contacts → |
“United4digital is a global marketing company specializing in video and audio advertising solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Numodonumodo.co HQ: Manchester, United KingdomReported employees: 1-10 | Manchester, United Kingdom | 1-10 | Exact match | 8 contacts → |
“At Numodo, we understand the importance of staying ahead in the digital advertising landscape.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Switch Conceptsswitchconcepts.com HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Switch manages over 50 billion global ad impressions per month, and lead the market with a reach of over 80% into the UK population (comScore).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sigwick Media LTDsigwickmedia.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“SIGWICK MEDIA | A Global Programmatic Advertising Platform, buyers may use real-time bidding on direct premium inventory through SIGWICK MEDIA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Open Horizons Mediaopenhorizonsmedia.co HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“From the beginning, Open Horizons Media has been a programmatic advertising company dedicated to achieving digital advertising success for businesses of all sizes!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Seika Mediaseikamedia.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Seika (Say-Ka) is a Japanese word that means achievement or results.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Moonpullmoonpullpartners.com HQ: Bradfield, United KingdomReported employees: 1-10 | Bradfield, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Moonpull is a technology-powered specialist auditing platform for affiliate tracking, focused on improving the trust, respect and integrity in advertiser and publisher…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Gaff Mediagaffmedia.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 1 contacts → |
“GAFF is a programmatic focused media company, working primarily in the DOOH, InApp and CTV environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Fundree & COfundree-co.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Created in 2020, Fundree & Co is a modern, traffic hub agency.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 44 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Ad verification services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
44 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 44 companies.
How 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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: November 6, 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 ↗
Ad verification services by metro
Questions about this company list
What does Exact match mean for ad verification services?
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 ad verification services did RevenueBase find based in the United Kingdom?
The saved snapshot records 44 matching company records, 597 tracked contacts and 211 verified emails. The public preview displays 15 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: November 6, 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
Ad verification services by geography
Cite this list
RevenueBase Data Team. Top 15 ad verification services based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/ad-verification-services/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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- Ad verification services based in London, United Kingdom
- Ad verification services based in New York, United States
- Ad verification services based in India
- Ad verification services based in the United States
- AI companies based in the United Kingdom
- Cybersecurity companies based in the United Kingdom