Company lists · Data verified August 2026

Top 25 Cloud networking companies based in the United Kingdom

Name: Cloud networking 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 86 companies tracked

There are 86 cloud networking companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 4,819 professional contacts across them, including 691 with verified work emails and 384 with mobile numbers. London is the largest hub.

This list covers cloud networking 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.

86Companies

4,819Contacts tracked

691Verified emails

384Mobile numbers

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The 25 largest cloud networking companies based in the United Kingdom

Ranked by team size

Top 25 of 86 cloud networking 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	Ovhcloud	London	1,001-5,000	3,039	3
2	Megaport	London	501-1,000	435	275
3	Elevate	Manchester	201-500	236	67
4	Epsilon Telecommunications, A KT Company	London	201-500	171	98
5	Pulse Secure	n/a	501-1,000	117	28
6	NTT Ltd. Cloud	London	201-500	112	58
7	Ampito Group	Manor Royal	51-200	51	30
8	Skye Cloud LTD	London London	11-50	28	20
9	Eloquent Technologies Limited	Stratford Upon Avon	11-50	28	13
10	Actionpoint Technology Group	Lisburn	201-500	21	9
11	Evolving Networks	Peterborough	11-50	20	12
12	Cloud Fruition Technologies	London	11-50	17	4
13	Iquila	n/a	51-200	16	12
14	Smoad Networks	London	51-200	16	1
15	GTP Works	London	11-50	15	7
16	OUR IT Services	Cirencester	11-50	13	8
17	Synopsis Technology	London	1-10	12	3
18	vdc.cloud	London	1-10	12	3
19	XTECH	Oxford	1-10	10	5
20	Connected Networks	Woking	11-50	6	4
21	Atomos Networks	Wetherby	11-50	5	2
22	Secura Cloud	Welwyn Garden City	11-50	5	2
23	Cloud53	Salford	1-10	5	2
24	The Teknov8 Group	London	11-50	4	3
25	Brightbox	Leeds	11-50	4	2

Showing 25 of 86 cloud networking companies based in the United Kingdom

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Cloud networking companies based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 26 HQs

384Contacts with mobile numbers

0Emails 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

10001+

Cloud networking companies by metro

Metro	Companies
Cloud networking companies in London	26
Cloud networking companies in Basingstoke	3
Cloud networking companies in Manchester	3
Cloud networking companies in Reading	3
Cloud networking companies in Wokingham	2
Cloud networking companies in Bicester	1
Cloud networking companies in Stratford Upon Avon	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 “cloud networking 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; 0 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 cloud networking companies are there based in the United Kingdom?

There are 86 cloud networking companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most cloud networking companies?

London leads with 26 headquartered companies, followed by Basingstoke (3) and Manchester (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 691 verified decision-maker contacts tracked across these 86 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.