Company lists · Data verified August 2026

Top 25 Cloud cost optimization services based in the United Kingdom

Name: Cloud cost optimization services 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 73 companies tracked

There are 73 cloud cost optimization services headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,258 professional contacts across them, including 648 with verified work emails and 318 with mobile numbers. London is the largest hub.

This list covers cloud cost optimization services 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.

73Companies

1,258Contacts tracked

648Verified emails

318Mobile numbers

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The 25 largest cloud cost optimization services based in the United Kingdom

Ranked by team size

Top 25 of 73 cloud cost optimization services 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	Calero	Edinburgh	1,001-5,000	740	479
2	pump.co	London	51-200	76	29
3	Surveil	East Horsley	51-200	61	40
4	skie.io	Regents Park	11-50	42	18
5	ONAPP	London	51-200	31	11
6	Cloud Elemental	London	11-50	17	12
7	Cloud Fruition Technologies	London	11-50	17	4
8	Information Edge	London	11-50	15	7
9	Crozaint Technologies PVT LTD	Derby	11-50	12	6
10	Cirrus Nexus	London	51-200	10	5
11	BI Data Intelligence BDI Limited	Stevenage	1-10	6	2
12	Aufgabe Limited	n/a	1-10	6	1
13	Cogito Group	London	11-50	5	4
14	Efficient Cloud	London	11-50	5	1
15	Posetiv Cloud LTD	London	11-50	4	4
16	Cloudvane	London	11-50	4	3
17	Amalytics Software LTD	London	1-10	4	2
18	NEW Odyssey	London	1-10	4	2
19	OPEXX	Maidenhead	1-10	4	2
20	Tecflair Limited	Guildford	1-10	3	2
21	M2s IT Consultancy	Rugby	1-10	3	2
22	Stackzone	London	11-50	3	1
23	Cost OPT LTD	London	1-10	3	1
24	CM	London	1-10	3	1
25	Viden Consulting LTD	Huddersfield	11-50	2	2

Showing 25 of 73 cloud cost optimization services based in the United Kingdom

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Cloud cost optimization services based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 45 HQs

318Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Cloud cost optimization services by metro

Metro	Companies
Cloud cost optimization services in London	45
Cloud cost optimization services in Edinburgh	2
Cloud cost optimization services in Birmingham	1
Cloud cost optimization services in Glasgow	1
Cloud cost optimization services in Rugby	1
Cloud cost optimization services in Taunton	1
Cloud cost optimization services in Rochester	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 cost optimization services”, 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; 7 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 cost optimization services are there based in the United Kingdom?

There are 73 cloud cost optimization services headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Calero, headquartered in Edinburgh, tops this list with the largest team on record.

Which city has the most cloud cost optimization services?

London leads with 45 headquartered companies, followed by Edinburgh (2) and Birmingham (1).

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 648 verified decision-maker contacts tracked across these 73 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.