Company lists · Data refreshed November 2026

Top 21 Public enterprises information or control systems services based in the United Kingdom

RevenueBase identified 897 company matches for public enterprises information or control systems services associated with the United Kingdom as of November 2026 and tracks 13,514 professional contacts across them, including 4,415 with verified work emails. London is the largest hub.

This list covers company matches for public enterprises information or control systems services 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 November 5, 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 Nov 5, 2026 How this list was built
897Companies
13,514Contacts tracked
4,415Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 21 largest public enterprises information or control systems services based in the United Kingdom

Ranked by team size
Top 21 of 897 company matches for public enterprises information or control systems services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchMarlow, United KingdomHQ recorded Nov 5, 20261,001-5,0003,073 contacts →

Exact match

“Softcat is a leading provider of IT infrastructure to corporate and public sectors.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchReading, United KingdomHQ recorded Nov 5, 2026501-1,000629 contacts →

Exact match

“Unlock your potential with XMA.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-500457 contacts →

Exact match

“Redstone is now part of RedstoneConnect PLC.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchHemel Hempstead, United KingdomHQ recorded Nov 5, 2026201-500397 contacts →

Exact match

“boxxe is a leading provider of hardware, software, and managed IT services for public and private sector organisations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSlough, United KingdomHQ recorded Nov 5, 202651-200248 contacts →

Exact match

“At Sharp Brains, we are your premier IT Services & Solutions Provider based in the UK, dedicated to meeting your business's unique needs with tailor-made solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchPencoed, United KingdomHQ recorded Nov 5, 202651-200225 contacts →

Exact match

“Technology services for the future.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchChester Le Street, United KingdomHQ recorded Nov 5, 202651-200208 contacts →

Exact match

“Our team has decades of experience in delivering complex, challenging projects that help clients across the private, public and not-for-profit sectors do business better.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBasingstoke, United KingdomHQ recorded Nov 5, 2026201-500158 contacts →

Exact match

“For over 35 years Centerprise International has developed a steadfast reputation for delivering large scale IT projects.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 5, 20261,001-5,000143 contacts →

Exact match

“We are the most trusted consulting & Information Technology service partner, who has been thriving hard to deliver customer-centric and proven global competence to our clients all…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBasildon, United KingdomHQ recorded Nov 5, 202651-200133 contacts →

Exact match

“Utilize Plc is an award-winning Technology Company boasting over 25 years of industry expertise.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchMiddlesex, United KingdomHQ recorded Nov 5, 202611-50124 contacts →

Exact match

“COGNIZ is an emerging IT solutions company delivering technical services, solutions and support for organisations ranging across a variety of sectors.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchDerby, United KingdomHQ recorded Nov 5, 2026201-500122 contacts →

Exact match

“Barron McCann install, deploy and maintain IT technology for some of the world’s largest brands in the retail, hospitality, leisure and corporate sectors.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchEdinburgh, United KingdomHQ recorded Nov 5, 202651-200117 contacts →

Exact match

“We are an IT Consultancy and Managed Services company in Edinburgh with offices in London, Founded by Charles Scott, and Andrew Watson in We have successful Enterprise Consulting…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchMiddlesex, United KingdomHQ recorded Nov 5, 202651-200108 contacts →

Exact match

“Information is the lifeblood of business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchRome, United KingdomHQ recorded Nov 5, 202651-20096 contacts →

Exact match

“Key2 is a company specialized in IT Consultancy, Software Development, Systems Integration, learning services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchReading, United KingdomHQ recorded Nov 5, 202611-5084 contacts →

Exact match

“Headquartered at Reading, Berkshire in United Kingdom, Bit Wave Solutions enables global businesses to build their future by directing clients’ innovation & customization agenda.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 5, 20261,001-5,00074 contacts →

Exact match

“We offer a broad portfolio of IT and consulting services covering Governance and Strategy, Cloud, Data, Cybersecurity, Infrastructure and Applications, Managed IT and Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-50069 contacts →

Exact match

“Hybytes is an offshore/domestic solution provider for IT and Management to business and industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchEly, United KingdomHQ recorded Nov 5, 202651-20068 contacts →

Exact match

“dB Broadcast offers consultancy, project management, systems engineering, software configuration, equipment sourcing and system installation world-wide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Nov 5, 202651-20063 contacts →

Exact match

“Empowering through digital transformation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSheffield, United KingdomHQ recorded Nov 5, 202651-20061 contacts →

Exact match

“At Millgate, our guiding principle is deceptively simple: we deliver tech products, services and solutions that actually work for you.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 21 of 897 public enterprises information or control systems services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 4,415 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Public enterprises information or control systems services based in the United Kingdom at a glance

As of Nov 5, 2026
32.7%Verified-email coverage
15.1Average contacts per company
1-10Median size (employees)
28.7%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
563
11-50
216
51-200
70
201-500
24
501-1,000
3
1,001-5,000
4
10001+
4

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 897 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 “public enterprises information or control systems services” 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 4,415 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 November 5, 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.

Public enterprises information or control systems services 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 “public enterprises information or control systems services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many public enterprises information or control systems services are there based in the United Kingdom?

RevenueBase identified 897 company matches for public enterprises information or control systems services associated with the United Kingdom as of November 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?

Softcat tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most public enterprises information or control systems services?

London leads with 257 company records, followed by Birmingham (18) and Manchester (13).

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 4,415 professional contacts with verified work emails tracked across these 897 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 November 5, 2026.

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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.