Company lists · Data refreshed October 2026

Top 25 Cross channel advertising software companies based in London, United Kingdom

Name: Cross channel 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 Oct 1, 2026 410 companies tracked

RevenueBase identified 410 company matches for cross channel advertising software companies associated with London, United Kingdom as of October 2026 and tracks 16,535 professional contacts across them, including 2,795 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for cross channel advertising software companies 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 October 1, 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 Oct 1, 2026 How this list was built

410Companies

16,535Contacts tracked

2,795Verified emails

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The 25 largest cross channel advertising software companies based in London, United Kingdom

Ranked by team size

Top 25 of 410 company matches for cross channel advertising software companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Upstream	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	336 contacts →
	Exact match “We are a leader in mobile technology, providing innovative solutions to 1.2 billion consumers.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Kinesso Uk&i	Exact match	London, United KingdomHQ recorded Oct 1, 2026	501-1,000	194 contacts →
	Exact match “KINESSO UK is the award-winning, tech-driven performance marketing agency delivering actionable growth for direct clients and agency partners.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Expandi Group	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	155 contacts →
	Exact match “Expandi Group is a global leader in AdTech, MarTech and Managed Services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	METIA	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	132 contacts →
	Exact match “Metia is a global marketing agency with offices in London, Seattle, Austin and Singapore.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Permutive	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	122 contacts →
	Exact match “Permutive is the predictive collaboration platform enabling Walled Garden outcomes on the Open Internet.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Admixer	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	99 contacts →
	Exact match “Admixer is an independent adtech company that develops an ecosystem of full-stack programmatic solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Actito Previously Smartfocus	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	99 contacts →
	Exact match “Marketers spend billions on attracting customers and yet more than 70% of first time interactions with a brand are also the last.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	The Media People	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	83 contacts →
	Exact match “Powered by our people, our campaigns put your audience first.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Nest Commerce	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	69 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 · Oct 1, 2026 · View company records in RevenueBase
10	ROAST	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	57 contacts →
	Exact match “We are ROAST.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	59a	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	55 contacts →
	Exact match “59A is a technology business built to engineer opportunity within the ever increasing complexity of media strategy, planning, and buying.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	OCM Digital Media	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	54 contacts →
	Exact match “OCM is a leading adtech agency providing solutions to advertisers, advertising agencies and to web, mobile & video publishers.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	BAMBU	Exact match	London, United KingdomHQ recorded Oct 1, 2026	n/a	45 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	gotu.io	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	44 contacts →
	Exact match “GotU is a marketing technology company developing hyperlocal advertising and marketing solutions for retailers, SMB marketing partners and local businesses everywhere.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Sembot	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	39 contacts →
	Exact match “Focus on strategy, not manually time-consuming tasks.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Adconion Media Group	Exact match	London, United KingdomHQ recorded Oct 1, 2026	501-1,000	39 contacts →
	Exact match “AMG is a technology company who has built one of the largest global multi-screen, multi-channel audience platforms.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Automated Creative	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	38 contacts →
	Exact match “Our platform helps performance marketers scale social, display and retail media campaigns.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Passion Digital	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	36 contacts →
	Exact match “We are problem solvers.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Haarty Hanks	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	35 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 · Oct 1, 2026 · View company records in RevenueBase
20	TAG Digital NOW MDG	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	34 contacts →
	Exact match “Tag Digital is now an integrated part of the mdg family, working together as a united marketing team to help event organizers reach their goals through digital marketing and AI.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Funnelfuel	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	29 contacts →
	Exact match “Future-proofing B2B digital advertising and analytics in a cookieless world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Terrier Agency	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	28 contacts →
	Exact match “Based in London, Terrier has a team that has collectively over 50 years experience in digital advertising.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Rocketer	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	27 contacts →
	Exact match “Rocketer are a multi platform Martech advertiser specialising prominently in the financial services vertical servicing clients on a global scale.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	KAU Media Group	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	27 contacts →
	Exact match “KAU Media Group is a full service media agency that deliver compelling digital marketing solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Voise Tech LTD	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	25 contacts →
	Exact match “At Voise Tech, we simplify the complexity of digital advertising through.” Recorded in the RevenueBase company graph · Oct 1, 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 “cross channel advertising software companies”. 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 25 of 410 cross channel advertising software companies based in London, United Kingdom

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Cross channel advertising software companies based in London, United Kingdom at a glance

As of Oct 1, 2026

16.9%Verified-email coverage

40.3Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

222

11-50

136

51-200

201-500

501-1,000

1,001-5,000

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 410 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 “cross channel advertising software companies” 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 2,795 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 October 1, 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.

Cross channel advertising software companies by metro in the United Kingdom

Cross channel advertising software companies in Manchester43

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 “cross channel advertising software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cross channel advertising software companies are there based in London, United Kingdom?

RevenueBase identified 410 company matches for cross channel advertising software companies associated with London, United Kingdom as of October 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?

Upstream 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 cross channel advertising software companies?

London leads the United Kingdom with 410 company records, followed by Manchester (43) and Birmingham (21).

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 2,795 professional contacts with verified work emails tracked across these 410 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 October 1, 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.