Company lists · Data refreshed September 2026

Top 24 Conversational advertising agencies based in London, United Kingdom

RevenueBase identified 443 company matches for conversational advertising agencies associated with London, United Kingdom as of September 2026 and tracks 13,837 professional contacts across them, including 3,139 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for conversational 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 27, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built
443Companies
13,837Contacts tracked
3,139Verified emails
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The 24 largest conversational advertising agencies based in London, United Kingdom

Ranked by team size
Top 24 of 443 company matches for conversational advertising agencies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 27, 20265,001-10,0002,182 contacts →

Exact match

“Carat is the world’s first media agency and is privileged to work with some of today’s most storied and innovative brands.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 27, 20261,001-5,0002,119 contacts →

Exact match

“Jellyfish | Move Faster.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 27, 20265,001-10,000941 contacts →

Exact match

“Welcome to dentsu X.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500640 contacts →

Exact match

“Influencer is a global creator marketing agency on a mission to shape the future of marketing by humanizing brands.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500269 contacts →

Exact match

“Greenpark is a global, award-winning digital agency.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500182 contacts →

Exact match

“Billion Dollar Boy is a global social agency with Creator Instinct™.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-200150 contacts →

Exact match

“Tommy is a creative agency and digital studio.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500148 contacts →

Exact match

“We are Grey London.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500146 contacts →

Exact match

“At Invibes, our mission is to drive positive brand impact and business outcomes by prioritizing the uniqueness of every ad opportunity through valuable advertising solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500132 contacts →

Exact match

“Metia is a global marketing agency with offices in London, Seattle, Austin and Singapore.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-200111 contacts →

Exact match

“We’re MOI Global – the Not-So-B2B agency.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-50109 contacts →

Exact match

“In the age of the conscious consumer, only the most culturally relevant ideas cut through.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20094 contacts →

Exact match

“Frank is a creative agency that helps brands lead, drive and own conversations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20079 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 27, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20069 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 27, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20061 contacts →

Exact match

“Global Digital Innovation Agency of the Year 2021 - Campaign Magazine Digital Innovation of the Year (UK) 2020 & 2021 - Campaign Magazine We are a digital innovation studio that…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20054 contacts →

Exact match

“We’re PUSH™ The marketing transformation partner for future-facing brands worldwide.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5043 contacts →

Exact match

“ALTER is an award-winning creative communications agency.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5036 contacts →

Exact match

“We are problem solvers.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5035 contacts →

Exact match

“Haarty Hanks is a digital marketing agency comprised of tech nerds, creative designers and innovative strategists that plan and execute exceptional brand communications and web…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5034 contacts →

Exact match

“At Freak, we help brands DARE TO be different We create bold ideas across brand campaigns, social creator marketing, eCommerce and Amazon strategy, and our creative content…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5032 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5030 contacts →

Exact match

“We transform creator-led marketing into sustained cultural velocity through intelligence infrastructure.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5029 contacts →

Exact match

“Shook helps brands win in the short-form video era by combining AI, creators, and performance data with automation to make ads that actually perform.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 24 of 443 conversational advertising agencies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 3,139 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Conversational advertising agencies based in London, United Kingdom at a glance

As of Sep 27, 2026
22.7%Verified-email coverage
31.2Average contacts per company
1-10Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
263
11-50
140
51-200
30
201-500
6
1,001-5,000
2
5,001-10,000
2

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 443 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 London, United Kingdom whose business descriptions match “conversational 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 3,139 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 27, 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.

Conversational 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 “conversational advertising agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many conversational advertising agencies are there based in London, United Kingdom?

RevenueBase identified 443 company matches for conversational 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?

CARAT 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 conversational advertising agencies?

London leads the United Kingdom with 443 company records, followed by Manchester (49) and Birmingham (24).

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 3,139 professional contacts with verified work emails tracked across these 443 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 27, 2026.

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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.