Company lists · Data refreshed September 2026

Top 25 SaaS infrastructure companies based in the United Kingdom

RevenueBase identified 144 company matches for SaaS infrastructure companies associated with the United Kingdom as of September 2026 and tracks 3,522 professional contacts across them, including 1,531 with verified work emails. London is the largest hub.

This list covers company matches for SaaS infrastructure companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
144Companies
3,522Contacts tracked
1,531Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest SaaS infrastructure companies based in the United Kingdom

Ranked by team size
Top 25 of 144 company matches for SaaS infrastructure companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 29, 20261,001-5,0001,842 contacts →

Exact match

“NTT Global Data Centers is a division of NTT DATA.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchGlasgow, United KingdomHQ recorded Sep 29, 2026201-500414 contacts →

Exact match

“Iomart combines cutting-edge cloud technology with deep industry expertise to help organisations transform with confidence.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchGlasgow, United KingdomHQ recorded Sep 29, 202651-200119 contacts →

Exact match

“Beeks is a leading force in financial technology infrastructure, specialising in Infrastructure as a Service (IaaS) for the high-frequency trading sector within capital markets…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchBrighton, United KingdomHQ recorded Sep 29, 202651-20077 contacts →

Exact match

“We are a fully-managed global hosting provider offering industry-leading technology with a customer-centric approach.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchStockton-on-tees, United KingdomHQ recorded Sep 29, 202651-20066 contacts →

Exact match

“We would like to share some exciting news – Onyx Group has been acquired by cloud, colocation and managed hosting expert Pulsant, expanding its network to 15 UK-based datacentres.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchManchester, United KingdomHQ recorded Sep 29, 202611-5035 contacts →

Exact match

“Secure, compliant and resilient Cloud IT for legal, accounting, financial and professional service companies IT Farm helps you focus on the sustainability and long term growth of…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchWelwyn Garden City, United KingdomHQ recorded Sep 29, 202611-5033 contacts →

Exact match

“Coreix is a managed hosting, colocation and network services provider which offers secure, agile, scalable and robust hosting solutions to clients in varying sectors including…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchLondon London, United KingdomHQ recorded Sep 29, 202611-5028 contacts →

Exact match

“Not your standard "one-size fits all" commoditised Cloud Service Provider, Skye Cloud are passionate about the flexibility and versatility Cloud Computing has to offer and have…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchStratford Upon Avon, United KingdomHQ recorded Sep 29, 202611-5028 contacts →

Exact match

“Eloquent operates a range of platforms across various secure data centres in the UK, all of which are connected to our network and serve as the delivery point for our services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchChesham, United KingdomHQ recorded Sep 29, 202611-5027 contacts →

Exact match

“ERA is a leading independent provider of Infrastructure as a Service (IaaS) and managed workflow solutions for the media, post-production and broadcast industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchHounslow, United KingdomHQ recorded Sep 29, 2026501-1,00023 contacts →

Exact match

“Connecting You to the Services that Power Your Business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchExeter, United KingdomHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“Hosted Desktop UK Limited provides cloud computing services to small and medium sized businesses across the UK.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchManchester, United KingdomHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“Experts in cloud computing, connectivity and proactive support.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSydney, United KingdomHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“Kinde is a fully-integrated developer platform, providing SaaS and AI app infrastructure to thousands of businesses globally.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5018 contacts →

Exact match

“3verest is a world class cloud computing business, delivering cloud infrastructure, applications and services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20017 contacts →

Exact match

“Metal Cloud Infrastructure as a Service (IaaS) provider offering single tenant, on-demand environments built for high traffic websites, micro-services architectures, IoT & mobile…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchFordham Road, United KingdomHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“VMhosts is an IT services company with friendly, professional and flexible customer service offering competitive and transparent pricing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“Graphene is an Infrastructure-as-a-Service provider, dedicated to empowering wealth managers with the technology and support they need to own and operate data-driven wealth…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchBirmingham, United KingdomHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“Liquify is an Infrastructure as a Service (IaaS) company focused on institutions, projects, and investment firms.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchBristol, United KingdomHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“MDS Technologies provides assured (secure, confidential, high resilience) co-location and Infrastructure-as-a-Service (IaaS) operations that enable UK Public Sector organisations…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“At LifeinCloud, we believe IT should serve your business, not the other way around.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5015 contacts →

Exact match

“We are a cloud analytics company with over locations in the UK, US, Canada, Australia and New Zealand using our solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchWarrington, United KingdomHQ recorded Sep 29, 202611-5014 contacts →

Exact match

“Welcome to our company page!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSilchester, United KingdomHQ recorded Sep 29, 202611-5011 contacts →

Exact match

“Established in 1996, Foundation IT works with forward-thinking organisations that are looking to maximise the benefits from their IT infrastructure.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-509 contacts →

Exact match

“In a technology world where new technologies come and go, we've been building trusted client partnerships for 24 years.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 144 SaaS infrastructure companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,531 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

SaaS infrastructure companies based in the United Kingdom at a glance

As of Sep 29, 2026
43.5%Verified-email coverage
24.5Average contacts per company
11-50Median size (employees)
39.6%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
71
11-50
56
51-200
9
201-500
3
501-1,000
2
1,001-5,000
3

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 144 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “SaaS infrastructure companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 1,531 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

SaaS infrastructure companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “SaaS infrastructure companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many SaaS infrastructure companies are there based in the United Kingdom?

RevenueBase identified 144 company matches for SaaS infrastructure companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

NTT Global Data Centers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most SaaS infrastructure companies?

London leads with 57 company records, followed by Manchester (7) and Glasgow (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,531 professional contacts with verified work emails tracked across these 144 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 144 SaaS infrastructure companies based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.