Company lists · Data refreshed September 2026
Top 25 Paid search advertising agencies based in London, United Kingdom
RevenueBase identified 348 paid search advertising agencies headquartered in London, United Kingdom as of September 2026 and tracks 4,366 professional contacts across them, including 497 with verified work emails. London is the largest hub.
This list covers paid search advertising agencies headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 paid search advertising agencies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 123 | ||||
“Adthena is the market-leading, AI-driven search intelligence platform that helps enterprise brands and agencies lower paid search costs, protect brand equity and stay ahead of…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 104 | ||||
“We're Found, the Everysearch™ agency.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 48 | ||||
“We're a strategic digital marketing agency specialising in Paid Search, SEO, Google Shopping, Amazon and Social.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 45 | ||||
“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…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | KinaseIndirect evidence | 39 | |||
“Kinase is a leading Digital Marketing Agency providing services to some of the UK’s top companies.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 33 | ||||
“Bird UK - bird.co.uk Bird UAE - bird.ae Bird USA - bird.marketing Bird Marketing, an award-winning digital marketing agency, is a beacon of excellence in the digital landscape.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 31 | ||||
“Pattrns was founded on years of first class experience in all elements of biddable media from Search Ads 360, Google Ads and Meta Ads.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 30 | ||||
“Iconic Digital is a leading digital marketing agency based in London, UK.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | KAU Media GroupIndirect evidence | 27 | |||
“KAU Media Group is a full service media agency that deliver compelling digital marketing solutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 19 | ||||
“Accuracast is an international digital marketing agency that works with ambitious brands to accelerate growth through data and technology.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | KandidlyPartial evidence | 17 | |||
“Kandidly is a creative paid media agency specialising in scaling 7-8 figure brands.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 | ||||
“Digital Search Group Limited is a performance driven online marketing agency built on highly knowledgeable foundations, which have grown over 16 years of providing online…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 16 | ||||
“Since starting back in 2018, we’ve worked to create a new, flexible digital marketing business, providing our clients with true performance marketing expertise in a far more…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 15 | ||||
“BARK delivers smarter paid media solutions for global ecommerce brands.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 15 | ||||
“We deliver tailored digital marketing solutions to help you meet your business objectives and stay competitive in the market.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 | ||||
“Bough Digital is a professional full-service digital marketing company based in the UK, which aims to deliver a first-class, full scale service to a variety of clients.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 14 | ||||
“2025 Standout Paid Media Agency Of The Year.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 13 | ||||
“As agencies grow, they’re often obsessed with trying to ‘own’ as much of the customer journey as possible, over time turning into broader generalists.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 | ||||
“Award-Winning SEO Agency for $1M+ Tech Companies (SaaS, Web) and 6-figure E-Commerce Brands.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | OxedentIndirect evidence | 10 | |||
“We live and breathe online advertisement - be it PPC, Social Media ads, or optimizing your landing pages for better conversions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 | ||||
“We help SaaS brands pointing their paid campaigns to the right direction, saving tons of money and time, and finding profitable strategies that skyrocket success metrics over time.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 | ||||
“A performance marketing agency based in central London, Ality comprises conversion and acquisition specialists in digital strategy, paid search, paid social, social media and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 9 | ||||
“Bravada: On-Demand Marketing, is an independent digital marketing agency that supports high-end brands and ambitious businesses' growth utilising social media ads and search…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 | ||||
“At Helium, we believe in no-nonsense, results-driven performance marketing.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 | ||||
“Shurq is an online advertising PPC service for Amazon sellers.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 348 paid search advertising agencies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 497 reachable decision-makers.
Free signup · no credit card
Paid search advertising agencies based in London, United Kingdom at a glance
As of Sep 5, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for London, over 348 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among paid search advertising agencies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- 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
- Companies headquartered in London, United Kingdom whose own description of what they do matches “paid search advertising agencies”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among paid search advertising agencies, and records with no verified work email. Companies headquartered outside London are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 497 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Paid search advertising agencies by metro in the United Kingdom
- Paid search advertising agencies in London348
- Paid search advertising agencies in Manchester61
- Paid search advertising agencies in Birmingham30
Frequently asked
How many paid search advertising agencies are there based in London, United Kingdom?
RevenueBase identified 348 paid search advertising agencies headquartered in London, United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Adthena, headquartered in London, tops this list with the largest team on record.
Which city has the most paid search advertising agencies?
London leads with 348 headquartered companies, followed by Manchester (61) and Birmingham (30).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 497 verified decision-maker contacts tracked across these 348 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 348 paid search advertising agencies based in London, United Kingdom. Start with a free account, no credit card.
Get the full listRelated lists
Paid search advertising agencies by geography
- Paid search advertising agencies based in the United States
- Paid search advertising agencies based in the United Kingdom
- Paid search advertising agencies based in Brazil
- Paid search advertising agencies based in Canada
- Paid search advertising agencies based in Germany
- Paid search advertising agencies based in Australia
- Paid search advertising agencies based in the Netherlands
- Paid search advertising agencies based in France
- Paid search advertising agencies based in Spain
- Paid search advertising agencies based in Poland
- Paid search advertising agencies based in Israel
- Paid search advertising agencies based in South Africa
Browse the directory
Browse: Companies home · Paid search advertising agencies in United Kingdom · All United Kingdom lists · All Paid search advertising agencies lists · New lists
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
- Paid search advertising agencies based in the United States
- Paid search advertising agencies based in the United Kingdom
- Paid search advertising agencies based in Brazil
- Paid search advertising agencies based in Canada
- Paid search advertising agencies based in Germany
- Paid search advertising agencies based in Australia