Company lists · Data refreshed September 2026

Top 25 Media sales software companies based in the United Kingdom

Name: Media sales software companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 14, 2026 101 companies tracked

RevenueBase identified 101 media sales software companies headquartered in the United Kingdom as of September 2026 and tracks 1,655 professional contacts across them, including 496 with verified work emails. London is the largest hub.

This list covers media sales software companies headquartered in the 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 14, 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 14, 2026 86% judged on-target in blind review

101Companies

1,655Contacts tracked

496Verified emails

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The 25 largest media sales software companies based in the United Kingdom

Ranked by team size

Top 25 of 101 media sales software companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to media sales 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	ATEX	Strong evidence	Reading, United KingdomHQ checked Sep 14, 2026	51-200	261 contacts →
	Strong evidence “Elevating Media Excellence Worldwide: Atex, Your Trusted Partner for Innovative Content and Commercial Software Solutions.” Source: RevenueBase Database · checked Sep 14, 2026
2	Admixer	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	201-500	99 contacts →
	Indirect evidence “Admixer is an independent adtech company that develops an ecosystem of full-stack programmatic solutions.” Source: RevenueBase Database · checked Sep 14, 2026
3	Redmill Solutions	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	62 contacts →
	Partial evidence “Media.” Source: RevenueBase Database · checked Sep 14, 2026
4	Adwanted UK B Corp	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	54 contacts →
	Partial evidence “Adwanted UK, part of Adwanted Group, is the UK’s leading provider of media tech, data and thought-leadership.” Source: RevenueBase Database · checked Sep 14, 2026
5	MSA Focus International LTD	Indirect evidence	Cardiff, United KingdomHQ checked Sep 14, 2026	51-200	52 contacts →
	Indirect evidence “MSA Focus is a leading international supplier of broadcast management systems, with many years experience and a proven track record of producing channel management and traffic and…” Source: RevenueBase Database · checked Sep 14, 2026
6	Astus Group	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	47 contacts →
	Indirect evidence “We speak to Marketing Directors across all sectors all the time and we understand their challenges and board demands: Get More ROI.” Source: RevenueBase Database · checked Sep 14, 2026
7	PEACH	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	201-500	44 contacts →
	Indirect evidence “Peach is working to radically simplify ad workflows.” Source: RevenueBase Database · checked Sep 14, 2026
8	Unruly	Indirect evidence	London, United KingdomHQ checked Sep 14, 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 14, 2026
9	Adconion Media Group	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	501-1,000	39 contacts →
	Indirect evidence “AMG is a technology company who has built one of the largest global multi-screen, multi-channel audience platforms.” Source: RevenueBase Database · checked Sep 14, 2026
10	Adserve	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	38 contacts →
	Partial evidence “We're an ad-tech company, serving the £23bn global market for audio advertising with software-as-a-service solutions for revenue optimisation, planning and scheduling.” Source: RevenueBase Database · checked Sep 14, 2026
11	Tvbeat	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	34 contacts →
	Partial evidence “TVbeat is redefining how Broadcasters and TV media organizations manage their Total TV ecosystem.” Source: RevenueBase Database · checked Sep 14, 2026
12	Voise Tech LTD	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	25 contacts →
	Indirect evidence “At Voise Tech, we simplify the complexity of digital advertising through.” Source: RevenueBase Database · checked Sep 14, 2026
13	Naritive	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	51-200	23 contacts →
	Partial evidence “Naritive is a media owner dedicated to offering brands and companies better optimised and effective programmatic and display ad solutions.” Source: RevenueBase Database · checked Sep 14, 2026
14	Publieurope	Strong evidence	London London, United KingdomHQ checked Sep 14, 2026	11-50	21 contacts →
	Strong evidence “THE INTERNATIONAL PARTNER FOR ADVERTISERS AND MEDIA AGENCIES Publieurope is the international advertising sales house of the Mediaset Group - the leading commercial TV broadcaster…” Source: RevenueBase Database · checked Sep 14, 2026
15	op2mise.ai	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	17 contacts →
	Partial evidence “Why Choose Us - At Op2mise, we are Media solutions experts.” Source: RevenueBase Database · checked Sep 14, 2026
16	Kepler Emea	Partial evidence	United KingdomHQ checked Sep 14, 2026	51-200	15 contacts →
	Partial evidence “Digital now dominates media, accounting for more than half of all.” Source: RevenueBase Database · checked Sep 14, 2026
17	Media15	Strong evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	12 contacts →
	Strong evidence “Media15 is a fully independent Advertising Sales Agency providing commercial representation for TV stations broadcasting in the UK on Sky, Freeview, Freesat, Virgin Media & IPTV.” Source: RevenueBase Database · checked Sep 14, 2026
18	Spacehouse LTD	Indirect evidence	Macclesfield, United KingdomHQ checked Sep 14, 2026	11-50	10 contacts →
	Indirect evidence “The company was founded in Over the past 2 decades our business has grown organically as our reputation has spread.” Source: RevenueBase Database · checked Sep 14, 2026
19	IVO	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	1-10	10 contacts →
	Indirect evidence “The IVO digital ad product platform provides publishers with a strategic opportunity to increase revenue and maximise inventory yields, by leveraging the best workflow and…” Source: RevenueBase Database · checked Sep 14, 2026
20	Agenda Media	Strong evidence	Manchester, United KingdomHQ checked Sep 14, 2026	11-50	9 contacts →
	Strong evidence “Agenda Media is a dedicated digital sales house based in Manchester with over 10 years of experience in social advertising.” Source: RevenueBase Database · checked Sep 14, 2026
21	Phoenix7 LTD	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	8 contacts →
	Partial evidence “ALMOST 20 YEARS AGO, A GROUP OF MEDIA IT PROFESSIONALS SAW THE OPPORTUNITY TO CREATE A NEW SOLUTION FOR THE INDUSTRY.” Source: RevenueBase Database · checked Sep 14, 2026
22	Adbreak	Indirect evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	8 contacts →
	Indirect 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 14, 2026
23	Admarket	Partial evidence	London, United KingdomHQ checked Sep 14, 2026	11-50	8 contacts →
	Partial evidence “Admarket.co is an advertising booking marketplace booking e-commerce platform for advertisers and media space owners.” Source: RevenueBase Database · checked Sep 14, 2026
24	Switch Concepts	Indirect evidence	Southampton, United KingdomHQ checked Sep 14, 2026	11-50	8 contacts →
	Indirect evidence “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).” Source: RevenueBase Database · checked Sep 14, 2026
25	Tandem Media	Strong evidence	Ashford, United KingdomHQ checked Sep 14, 2026	1-10	7 contacts →
	Strong evidence “As a third party media sales house we provide outsourced sales expertise to media owners, trade associations, member organisations and event organisers.” Source: RevenueBase Database · checked Sep 14, 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: media sales 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 media sales software companies.
Partial evidence: Its own public description names part of media sales software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name media sales 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 101 media sales software companies based in the United Kingdom

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Media sales software companies based in the United Kingdom at a glance

As of Sep 14, 2026

30.0%Verified-email coverage

16.4Average contacts per company

11-50Median size (employees)

65.3%Largest-city concentration · London

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 101 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 media sales 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 the United Kingdom whose own description of what they do matches “media sales 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 media sales 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 media sales software companies, and records with no verified work email. Companies headquartered outside United Kingdom 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, 496 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 14, 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.

Media sales software companies by metro

Media sales software companies in London66

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 media sales 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 media sales software companies are there based in the United Kingdom?

RevenueBase identified 101 media sales software companies headquartered in the 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?

ATEX, headquartered in Reading, tops this list with the largest team on record.

Which city has the most media sales software companies?

London leads with 66 headquartered companies, followed by Ashford (2) and Manchester (2).

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 496 verified decision-maker contacts tracked across these 101 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 14, 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.