Company lists · Data verified August 2026

Top 15 Email support outsourcing companies based in the United Kingdom

Name: Email support outsourcing companies 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 113 companies tracked

There are 113 email support outsourcing companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,717 professional contacts across them, including 435 with verified work emails and 57 with mobile numbers. London is the largest hub.

This list covers email support outsourcing companies 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.

113Companies

1,717Contacts tracked

435Verified emails

57Mobile numbers

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The 15 largest email support outsourcing companies based in the United Kingdom

Ranked by team size

Top 15 of 113 email support outsourcing companies 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	ESP Global Services	Reading	501-1,000	507	339
2	Subfero	Bristol	51-200	84	2
3	Tellida Private Limited	n/a	51-200	73	17
4	Qormotho	London	51-200	63	6
5	Cymphony	Crewe	51-200	52	15
6	Excevo	London	11-50	43	8
7	Go-To Outsourcing	Bromsgrove	11-50	32	2
8	AGO Outsourcing	East Kilbride	51-200	19	1
9	Dealist Solutions	London	51-200	16	1
10	Cynetix IT Services	Chesterfield	11-50	14	13
11	Mint Live	Grantham	11-50	14	5
12	Odondo	London	11-50	13	1
13	First Call Helpdesk LTD	Newbury	11-50	11	3
14	Syncogic Global Solutions	London	11-50	10	1
15	Qualinet Solutions LTD	London	11-50	5	2

Showing 15 of 113 email support outsourcing companies based in the United Kingdom

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Email support outsourcing companies based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 50 HQs

57Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email support outsourcing companies by metro

Metro	Companies
Email support outsourcing companies in London	50
Email support outsourcing companies in Birmingham	4
Email support outsourcing companies in Bristol	4
Email support outsourcing companies in Basingstoke	2
Email support outsourcing companies in Manchester	2
Email support outsourcing companies in New Malden	2
Email support outsourcing companies in Newcastle Upon Tyne	2
Email support outsourcing companies in Shrewsbury	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 “email support outsourcing companies”, 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; 2 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 support outsourcing companies are there based in the United Kingdom?

There are 113 email support outsourcing companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

ESP Global Services, headquartered in Reading, tops this list with the largest team on record.

Which city has the most email support outsourcing companies?

London leads with 50 headquartered companies, followed by Birmingham (4) and Bristol (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 435 verified decision-maker contacts tracked across these 113 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.