Company lists · Data refreshed November 2026

Top 24 IT systems review services based in the United Kingdom

RevenueBase identified 58 company matches for IT systems review services associated with the United Kingdom as of November 2026 and tracks 192 professional contacts across them, including 58 with verified work emails. London is the largest hub.

This list covers company matches for IT systems review 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 6, 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 6, 2026 How this list was built
58Companies
192Contacts tracked
58Verified emails
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The 24 largest IT systems review services based in the United Kingdom

Ranked by team size
Top 24 of 58 company matches for IT systems review services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchOver, United KingdomHQ recorded Nov 6, 20261-1022 contacts →

Exact match

“Established in 2014 Open Rainbow offers a complete life cycle of IT services: Design, Deploy, Test, Operate, Maintain and Improve.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBirkenhead, United KingdomHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“We are able to deal with many varied systems from Windows, through to Apple and Linux.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNorwich, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Keeping your IT systems running smoothly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Coubari is a managed IT services provider with clients in London, across the UK and internationally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBerkhamsted, United KingdomHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Our mission is to maximize the potential of our clients’ profitability through delivery of highly effective IT Support, IT Consultancy, and Software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCoventry, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

“IT CONSULTING & IT SERVICES LIMITED.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchExeter, United KingdomHQ recorded Nov 6, 2026n/a3 contacts →

Exact match

“We offer a free consultancy visit to your premises to look at your existing IT services, identify issues and provide advice on what we can do to help your IT become the useful…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchYork, United KingdomHQ recorded Nov 6, 202611-502 contacts →

Exact match

“Established in 1993, Nycom has grown to be York most trusted and longest established I.T.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchFarnham, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“We have a passion for IT Services!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGillingham, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“We provide the full range of IT Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSwindon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“We have been working within IT for over 20 years, This is at all levels of Support or Consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“The Blue Lizard Ltd is an information technology and services company based out of Studio G6, Unit OB, East Ten Enterprise Park, London E10 7DQ, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Friendly helpful un-biased advice and consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSelby, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Elitemicro are an independent IT Consultancy providing IT systems reviews and existing technology partner reviews alongside running multiple projects for customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchShrewsbury, United KingdomHQ recorded Nov 6, 202611-501 contacts →

Exact match

“PC Net partnered with EPX Technical Services and offers a full range of IT services and products with an expert team.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchGlasgow, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“We are an experienced provider of flexible, high-quality, impartial and fairly priced consultancy, systems administration and support services, with a personal touch.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLuton, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Scorpio Consulting enables all business owners, both technical and non-technical to understand what IT systems are in place and ensure they are fit for purpose.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUk-wide, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“We provide IT Systems and Process Consultancy to SMEs globally with a specialist focus and expertise in the recruitment sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHemel Hempstead, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Cyber review & recommendations; Cyber Security, IT Road Map, IT Architecture, Board reporting, Data”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLeeds, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“We're an experienced team of consultants, engineers, system architects and DevOps practitioners covering all major facets of IT systems including Infrastructure, Networks…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchManchester, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Systems Engineering”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBradford, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Businesses rely on their computers for all their activities from marketing/sales, to delivery and finance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRomford, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“We offer services in managed IT solutions, IT project planning and implementation, IT audit/reviews and IT procurement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBangor, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Independent ICT Consultancy and Services My primary service focuses on delivering quality ICT Reviews to organisations across England and Wales.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 58 IT systems review services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 58 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT systems review services based in the United Kingdom at a glance

As of Nov 6, 2026
30.2%Verified-email coverage
3.3Average contacts per company
1-10Median size (employees)
13.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
44
11-50
8
51-200
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 58 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 “IT systems review 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 58 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 6, 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.

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 “IT systems review services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT systems review services are there based in the United Kingdom?

RevenueBase identified 58 company matches for IT systems review 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?

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

Which city has the most IT systems review services?

London leads with 8 company records, followed by Milton Keynes (2) and Bangor (1).

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 58 professional contacts with verified work emails tracked across these 58 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 6, 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.