Company lists · Data verified August 2026

Top 25 Ad network software companies based in London, United Kingdom

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 152 companies tracked

There are 152 ad network software companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 2,301 professional contacts across them, including 793 with verified work emails and 218 with mobile numbers. London is the largest hub.

This list covers ad network 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. Data current as of August 28, 2026.

152Companies

2,301Contacts tracked

793Verified emails

218Mobile numbers

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The 25 largest ad network software companies based in London, United Kingdom

Ranked by team size

Top 25 of 152 ad network software companies based in London, United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	VERVE	London	501-1,000	443	180
2	Ozone The Audience Connection Platform	London	51-200	145	109
3	Admixer	London	201-500	98	15
4	REVX	London	51-200	88	44
5	Efficient Frontier	London	201-500	85	2
6	Admaxim INC	London	51-200	74	27
7	Onetag	London	51-200	71	61
8	Airnow Media	London	201-500	68	1
9	Sharethrough	London	51-200	62	38
10	OCM Digital Media	London	51-200	54	38
11	Adserve	London	11-50	38	5
12	MADS	London	11-50	32	1
13	Lidango INC	London	51-200	29	11
14	Voise Tech LTD	London	11-50	25	8
15	Naritive	London	51-200	22	3
16	Justpremium, A Gumgum Company	London	51-200	19	7
17	Hoopla Digital LTD	London	11-50	18	13
18	Adeum LTD	London	11-50	15	7
19	Powerlinks	London	11-50	15	1
20	AXIS	London	11-50	13	1
21	NEFTA	London	11-50	11	7
22	Trafficrich	London	11-50	10	7
23	Shareight	London	11-50	9	6
24	Imagine Mobile	London	11-50	9	3
25	GLUI	London	11-50	9	2

Showing 25 of 152 ad network software companies based in London, United Kingdom

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Ad network software companies based in London, United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 152 HQs

218Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Ad network software companies by metro in the United Kingdom

Metro	Companies
Ad network software companies in London	152
Ad network software companies in Edinburgh	5
Ad network software companies in Bath	4
Ad network software companies in Manchester	4
Ad network software companies in Birmingham	4
Ad network software companies in Guildford	3
Ad network software companies in Newcastle Upon Tyne	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “ad network software companies”, with match quality audited by blind human judging, and headquartered in London, United Kingdom.
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: Contact records re-verify on a rolling cadence; 3 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many ad network software companies are there based in London, United Kingdom?

There are 152 ad network software companies headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most ad network software companies?

London leads with 152 headquartered companies, followed by Edinburgh (5) and Bath (4).

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 793 verified decision-maker contacts tracked across these 152 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.