Company lists · Data verified August 2026

Top 25 Demand side platform agencies based in the United Kingdom

Name: Demand side platform agencies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 459 companies tracked

There are 459 demand side platform agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 7,222 professional contacts across them, including 1,711 with verified work emails and 592 with mobile numbers. London is the largest hub.

This list covers demand side platform agencies headquartered in the 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.

459Companies

7,222Contacts tracked

1,711Verified emails

592Mobile numbers

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The 25 largest demand side platform agencies based in the United Kingdom

Ranked by team size

Top 25 of 459 demand side platform agencies based in the 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	Loopme	Manchester	201-500	401	237
3	Expandi Group	London	201-500	155	46
4	Ozone The Audience Connection Platform	London	51-200	145	109
5	Crimtan	London	51-200	128	94
6	Admixer	London	201-500	98	15
7	DCMN	London	51-200	94	64
8	Smarter Ecommerce Smec	London	51-200	92	55
9	REVX	London	51-200	88	44
10	Efficient Frontier	London	201-500	85	2
11	S4 Capital Group	n/a	5,001-10,000	74	27
12	Admaxim INC	London	51-200	74	27
13	Nest Commerce	London	51-200	69	50
14	OCM Digital Media	London	51-200	54	38
15	Publisher Collective	Bath	51-200	46	37
16	Adserve	London	11-50	38	5
17	Aitarget Tech	London	51-200	33	10
18	Pattrns	London	11-50	32	19
19	MADS	London	11-50	32	1
20	Rocketer	Leeds	11-50	25	15
21	Queryclick	London London	51-200	25	14
22	Naritive	London	51-200	22	3
23	Scoota	London	11-50	17	13
24	ADS And More	London	11-50	16	7
25	Elite E-Commerce	Wolverhampton	11-50	15	5

Showing 25 of 459 demand side platform agencies based in the United Kingdom

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Demand side platform agencies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 260 HQs

592Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

266

11-50

155

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Demand side platform agencies by metro

Metro	Companies
Demand side platform agencies in London	260
Demand side platform agencies in Manchester	14
Demand side platform agencies in Birmingham	11
Demand side platform agencies in Edinburgh	8
Demand side platform agencies in London London	5
Demand side platform agencies in Leeds	5
Demand side platform agencies in Glasgow	4

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 “demand side platform agencies”, with match quality audited by blind human judging, and headquartered in the 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 demand side platform agencies are there based in the United Kingdom?

There are 459 demand side platform agencies headquartered in the 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 demand side platform agencies?

London leads with 260 headquartered companies, followed by Manchester (14) and Birmingham (11).

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 1,711 verified decision-maker contacts tracked across these 459 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.