Company lists · Data verified August 2026

Top 25 Email marketing agencies based in the United Kingdom

Name: Email marketing 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 1,098 companies tracked

There are 1,098 email marketing agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 15,368 professional contacts across them, including 1,872 with verified work emails and 2,185 with mobile numbers. London is the largest hub.

This list covers email marketing 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.

1,098Companies

15,368Contacts tracked

1,872Verified emails

2,185Mobile numbers

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The 25 largest email marketing agencies based in the United Kingdom

Ranked by team size

Top 25 of 1,098 email marketing 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	NP Digital	London	1,001-5,000	862	306
2	Omnisend	Global	201-500	270	141
3	Emailclub	London	51-200	103	39
4	Underground Ecom	London	51-200	103	21
5	Hexaclicks	London	51-200	93	11
6	Spotler UK	Guildford	51-200	84	18
7	Exacttarget	London	1,001-5,000	83	47
8	INC Direct	London	51-200	36	1
9	Stoneshot	London	51-200	35	20
10	Stellites Technologies	Brimingham	51-200	35	8
11	Moosend	London	11-50	32	17
12	PHL Group	Welshpool	11-50	28	12
13	MHI Media	Bristol	51-200	25	14
14	Local Fame	London	11-50	25	5
15	Property Webmasters	Hartlepool	11-50	20	7
16	Auraseed	Brighton	11-50	18	10
17	The Munro Agency	n/a	11-50	18	7
18	NYX Agency	n/a	11-50	18	7
19	Gecko Direct LTD	Leeds	51-200	18	4
20	Generate UK B2B Digital Marketing Agency	Theale	11-50	17	8
21	Beyond Your Brand LTD	Witney	11-50	16	8
22	Campaigner	North Shields	51-200	16	6
23	Jarrang	London	11-50	13	6
24	ESA Digital LTD	London	11-50	13	3
25	TDMP	Derby	11-50	12	9

Showing 25 of 1,098 email marketing agencies based in the United Kingdom

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Email marketing agencies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 355 HQs

2,185Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

820

11-50

219

51-200

201-500

1,001-5,000

Email marketing agencies by metro

Metro	Companies
Email marketing agencies in London	355
Email marketing agencies in Manchester	38
Email marketing agencies in Birmingham	20
Email marketing agencies in Glasgow	18
Email marketing agencies in Leeds	13
Email marketing agencies in Nottingham	12
Email marketing agencies in Liverpool	11

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 “email marketing 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; 4 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 email marketing agencies are there based in the United Kingdom?

There are 1,098 email marketing agencies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most email marketing agencies?

London leads with 355 headquartered companies, followed by Manchester (38) and Birmingham (20).

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 1,872 verified decision-maker contacts tracked across these 1,098 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.