Company lists · Data verified August 2026

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

Name: Ad exchange 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 106 companies tracked

There are 106 ad exchange software companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 2,091 professional contacts across them, including 755 with verified work emails and 184 with mobile numbers. London is the largest hub.

This list covers ad exchange 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.

106Companies

2,091Contacts tracked

755Verified emails

184Mobile numbers

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

Ranked by team size

Top 25 of 106 ad exchange 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	Admixer	London	201-500	98	15
3	REVX	London	51-200	88	44
4	Sparteo	London	51-200	86	41
5	Alkimi	London	11-50	82	30
6	Admaxim INC	London	51-200	74	27
7	Onetag	London	51-200	71	61
8	Sharethrough	London	51-200	62	38
9	OCM Digital Media	London	51-200	54	38
10	PEACH	London	201-500	46	22
11	Adconion Media Group	London	501-1,000	39	1
12	Adserve	London	11-50	38	5
13	Illuma	London	11-50	32	24
14	MADS	London	11-50	32	1
15	Funnelfuel	London	11-50	29	17
16	Voise Tech LTD	London	11-50	25	8
17	Naritive	London	51-200	22	3
18	Fiducia	London	11-50	20	10
19	Justpremium, A Gumgum Company	London	51-200	19	7
20	Powerlinks	London	11-50	15	1
21	Bidinfluence	London	11-50	14	7
22	AXIS	London	11-50	13	1
23	NEFTA	London	11-50	11	7
24	Shareight	London	11-50	9	6
25	Imagine Mobile	London	11-50	9	3

Showing 25 of 106 ad exchange software companies based in London, United Kingdom

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

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 106 HQs

184Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Ad exchange software companies by metro in the United Kingdom

Metro	Companies
Ad exchange software companies in London	106
Ad exchange software companies in Birmingham	4
Ad exchange software companies in Edinburgh	3
Ad exchange software companies in Bath	3
Ad exchange software companies in Manchester	2
Ad exchange software companies in Guildford	2
Ad exchange software companies in Kohinoor City	1

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 exchange 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; 5 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 exchange software companies are there based in London, United Kingdom?

There are 106 ad exchange 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 exchange software companies?

London leads with 106 headquartered companies, followed by Birmingham (4) and Edinburgh (3).

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 755 verified decision-maker contacts tracked across these 106 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.