Company lists · Data refreshed September 2026

Top 25 Social media advertising software companies based in London, United Kingdom

Name: Social media advertising software companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 13, 2026 137 companies tracked

RevenueBase identified 137 social media advertising software companies headquartered in London, United Kingdom as of September 2026 and tracks 1,139 professional contacts across them, including 374 with verified work emails and 50 with mobile numbers. London is the largest hub.

This list covers social media advertising software companies 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 13, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 13, 2026 86% judged on-target in blind review

137Companies

1,139Contacts tracked

374Verified emails

50Mobile numbers

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The 25 largest social media advertising software companies based in London, United Kingdom

Ranked by team size

Top 25 of 137 social media advertising software companies based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 13, 2026. RevenueBase Smart Search rates how each company's information relates to social media advertising software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Expandi Group	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	201-500	155 contacts →
	Indirect evidence “Expandi Group is a global leader in AdTech, MarTech and Managed Services.” Source: RevenueBase Database · checked Sep 13, 2026
2	59a	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	55 contacts →
	Partial evidence “59A is a technology business built to engineer opportunity within the ever increasing complexity of media strategy, planning, and buying.” Source: RevenueBase Database · checked Sep 13, 2026
3	OCM Digital Media	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	54 contacts →
	Partial evidence “OCM is a leading adtech agency providing solutions to advertisers, advertising agencies and to web, mobile & video publishers.” Source: RevenueBase Database · checked Sep 13, 2026
4	Sendible	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	46 contacts →
	Partial evidence “At Sendible, we empower brands, agencies and multi-location businesses to amplify their voice and grow their social presence, without losing what makes them unique.” Source: RevenueBase Database · checked Sep 13, 2026
5	BAMBU	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	n/a	45 contacts →
	Partial evidence “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: RevenueBase Database · checked Sep 13, 2026
6	Unruly	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	501-1,000	39 contacts →
	Indirect evidence “Nexxen empowers advertisers, agencies, publishers and broadcasters around the world to utilize data and advanced TV in the ways that are most meaningful to them.” Source: RevenueBase Database · checked Sep 13, 2026
7	Sembot	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	39 contacts →
	Indirect evidence “Focus on strategy, not manually time-consuming tasks.” Source: RevenueBase Database · checked Sep 13, 2026
8	Automated Creative	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	38 contacts →
	Strong evidence “Our platform helps performance marketers scale social, display and retail media campaigns.” Source: RevenueBase Database · checked Sep 13, 2026
9	Pattrns	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	31 contacts →
	Partial evidence “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: RevenueBase Database · checked Sep 13, 2026
10	Rocketer	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	27 contacts →
	Indirect evidence “Rocketer are a multi platform Martech advertiser specialising prominently in the financial services vertical servicing clients on a global scale.” Source: RevenueBase Database · checked Sep 13, 2026
11	Voise Tech LTD	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	25 contacts →
	Partial evidence “At Voise Tech, we simplify the complexity of digital advertising through.” Source: RevenueBase Database · checked Sep 13, 2026
12	Accountinsight The B2B DSP	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	51-200	17 contacts →
	Indirect evidence “AccountInsight helps you put your B2B ads in front of the companies that matter most, even when their teams are working remotely.” Source: RevenueBase Database · checked Sep 13, 2026
13	Audience2media	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	16 contacts →
	Strong evidence “Audience2Media is an Advertising Technology based company with offices in the UK and Asia, delivering data driven campaigns across all media channels, applying an innovative…” Source: RevenueBase Database · checked Sep 13, 2026
14	Smarterqueue	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	1-10	13 contacts →
	Strong evidence “Boost engagement and save hours of time each week with the most intuitive social media management tool for small businesses, marketing teams and social media managers.” Source: RevenueBase Database · checked Sep 13, 2026
15	Addesu	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	13 contacts →
	Indirect evidence “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: RevenueBase Database · checked Sep 13, 2026
16	Formula Media	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	11 contacts →
	Partial evidence “We are the new media experts.” Source: RevenueBase Database · checked Sep 13, 2026
17	Bravada On-Demand Marketing	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	1-10	9 contacts →
	Strong evidence “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: RevenueBase Database · checked Sep 13, 2026
18	Adbreak	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	8 contacts →
	Partial evidence “The vision of this organization is to continuously innovate and improve the field of digital advertising by focusing on the research and development of tools used to optimize the…” Source: RevenueBase Database · checked Sep 13, 2026
19	Airmedia	Partial evidence	London, United KingdomHQ checked Sep 13, 2026	1-10	7 contacts →
	Partial evidence “Empowering marketers to play the smarter social game.” Source: RevenueBase Database · checked Sep 13, 2026
20	sociality.io	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	6 contacts →
	Strong evidence “Sociality.io is an all-in-one social media management and intelligence platform trusted by global brands, businesses, digital agencies, and enterprises since 2015.” Source: RevenueBase Database · checked Sep 13, 2026
21	House Of Media And Entertainment Home	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	5 contacts →
	Indirect evidence “At HOME, we bridge the gap between brands and their audiences with cutting-edge AdTech solutions.” Source: RevenueBase Database · checked Sep 13, 2026
22	Localstars	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	11-50	4 contacts →
	Strong evidence “Since 2008, Localstars has been delivering unique advertising technology to increase ad sales and lower ad costs by giving media companies the ability to efficiently build and…” Source: RevenueBase Database · checked Sep 13, 2026
23	Digile Media	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	1-10	4 contacts →
	Indirect evidence “Our services include ad campaign and management on Meta / Facebook and Instagram.” Source: RevenueBase Database · checked Sep 13, 2026
24	Otorotech LTD	Indirect evidence	London, United KingdomHQ checked Sep 13, 2026	1-10	3 contacts →
	Indirect evidence “Discover the intersection of luxury and technology at Otoro Tech.” Source: RevenueBase Database · checked Sep 13, 2026
25	Viewlytics	Strong evidence	London, United KingdomHQ checked Sep 13, 2026	1-10	3 contacts →
	Strong evidence “Welcome to Viewlytics, the ultimate solution for your social media analytics needs.” Source: RevenueBase Database · checked Sep 13, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: social media advertising software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names social media advertising software companies.
Partial evidence: Its own public description names part of social media advertising software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name social media advertising software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 137 social media advertising software companies based in London, United Kingdom

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Social media advertising software companies based in London, United Kingdom at a glance

As of Sep 13, 2026

32.8%Verified-email coverage

4.4%Mobile-number coverage

8.3Average contacts per company

1-10Median size (employees)

105.1%Largest-city concentration · London

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 16.0d

2780–30

8731–60

061–90

090–180

9180+

Company record updated

Median 67.0d

00–30

47231–60

49461–90

11090–180

63180+

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 social media advertising software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “social media advertising software companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names social media advertising software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among social media advertising software companies, 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 its RevenueBase Smart Search 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, 374 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 13, 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.

Social media advertising software companies by metro in the United Kingdom

Social media advertising software companies in London144

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names social media advertising software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many social media advertising software companies are there based in London, United Kingdom?

RevenueBase identified 137 social media advertising software companies 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?

Expandi Group, headquartered in London, tops this list with the largest team on record.

Which city has the most social media advertising software companies?

London leads with 144 headquartered companies, followed by Manchester (12) and Leeds (6).

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 374 verified decision-maker contacts tracked across these 137 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 13, 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 Smart Search, 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.