Company lists · Data verified August 2026

Top 25 Cloud backup companies based in the United Kingdom

Name: Cloud backup 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 83 companies tracked

There are 83 cloud backup companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,425 professional contacts across them, including 364 with verified work emails and 92 with mobile numbers. London is the largest hub.

This list covers cloud backup 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.

83Companies

1,425Contacts tracked

364Verified emails

92Mobile numbers

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The 25 largest cloud backup companies based in the United Kingdom

Ranked by team size

Top 25 of 83 cloud backup 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	Iomart	Glasgow	201-500	422	200
2	Iland 11 11 Systems	Ascot	1,001-5,000	59	20
3	Eticloud	Sheffield	51-200	46	17
4	Harbor Solutions	St Albans	11-50	45	33
5	Genie9	London	51-200	36	2
6	DSM Group	Peterborough	11-50	35	9
7	Wguard	Court	n/a	33	5
8	Cristie Software LTD	Stroud	51-200	26	16
9	Compuware	Borehamwood	51-200	26	2
10	Livedrive	London	11-50	21	4
11	4sl, A Databarracks Company	n/a	51-200	20	1
12	Vmhosts LTD	Snailwell	11-50	16	13
13	JPY	London	1-10	13	5
14	Files.Fm Cloud Storage	Daresbury	51-200	12	2
15	Storage Made Easy	Sutton	11-50	11	1
16	Assurestor Limited	London	1-10	8	6
17	Vitanium Cloud LTD	Essex	1-10	8	3
18	Backup Systems LTD	Edinburgh	1-10	5	3
19	Gigasoft Data Backup	Stansted	11-50	5	2
20	Bigmind	London	51-200	4	2
21	Planb IT Services	Galgate	1-10	4	1
22	Core Datacloud	London	11-50	3	2
23	Cloud Dolphin	Derby	1-10	3	2
24	Backupvault	Bournemouth	11-50	3	1
25	MIS Systems Engineering Limited	Northwich	11-50	3	1

Showing 25 of 83 cloud backup companies based in the United Kingdom

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Cloud backup companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 19 HQs

92Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Cloud backup companies by metro

Metro	Companies
Cloud backup companies in London	19
Cloud backup companies in Bournemouth	2
Cloud backup companies in Manchester	2
Cloud backup companies in Glasgow	2
Cloud backup companies in Edinburgh	2
Cloud backup companies in Gainsborough	2
Cloud backup companies in Prescot	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 backup 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; 1 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 backup companies are there based in the United Kingdom?

There are 83 cloud backup companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Iomart, headquartered in Glasgow, tops this list with the largest team on record.

Which city has the most cloud backup companies?

London leads with 19 headquartered companies, followed by Bournemouth (2) and Manchester (2).

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 364 verified decision-maker contacts tracked across these 83 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.