Company lists · Data refreshed November 2026

Top 20 Infrastructure modernization services based in the United Kingdom

Name: Infrastructure modernization services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 1,925 companies tracked

RevenueBase identified 1,925 company matches for infrastructure modernization services associated with the United Kingdom as of November 2026 and tracks 65,803 professional contacts across them, including 16,732 with verified work emails. London is the largest hub.

This list covers company matches for infrastructure modernization 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

1,925Companies

65,803Contacts tracked

16,732Verified emails

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The 20 largest infrastructure modernization services based in the United Kingdom

Ranked by team size

Top 20 of 1,925 company matches for infrastructure modernization 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Nasstar	Exact match	Wakefield, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	840 contacts →
	Exact match “Complexity isn’t the enemy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Bytes Software Services	Exact match	Leatherhead, United KingdomHQ recorded Nov 6, 2026	501-1,000	804 contacts →
	Exact match “Bytes is a leading provider of world-class IT solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	KERV	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	802 contacts →
	Exact match “Kerv exists to use the power of technology for good: for our customers, our people, our communities and the planet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Systal Technology Solutions	Exact match	Glasgow, United KingdomHQ recorded Nov 6, 2026	501-1,000	681 contacts →
	Exact match “Systal is a global managed network, cloud and security transformation specialist.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	XMA	Exact match	Reading, United KingdomHQ recorded Nov 6, 2026	501-1,000	629 contacts →
	Exact match “Unlock your potential with XMA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Dimension Data UKI	Exact match	Fleet, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	613 contacts →
	Exact match “Dimension Data uses the power of technology to help organisations achieve great things.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Zenzero	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	474 contacts →
	Exact match “We believe successful businesses are underpinned by quality IT infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	ACORA	Exact match	Burgess Hill, United KingdomHQ recorded Nov 6, 2026	501-1,000	468 contacts →
	Exact match “We’ve been on a mission to bring together people and technology since the day we were founded over 25 years ago.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Zenitech	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	460 contacts →
	Exact match “Zenitech creates technology to transform businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Redstone Converged Solutions	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	457 contacts →
	Exact match “Redstone is now part of RedstoneConnect PLC.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Iomart	Exact match	Glasgow, United KingdomHQ recorded Nov 6, 2026	201-500	424 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 · Nov 6, 2026 · View company records in RevenueBase
12	Babble	Exact match	Basildon, United KingdomHQ recorded Nov 6, 2026	201-500	406 contacts →
	Exact match “At Babble, we believe that every business deserves the opportunity to thrive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	KOCHO	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	313 contacts →
	Exact match “At Kocho, we believe greatness lies in everyone.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	KIN Carta	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	298 contacts →
	Exact match “Kin + Carta was acquired by Valtech in 2024.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Trustmarque	Exact match	York, United KingdomHQ recorded Nov 6, 2026	501-1,000	297 contacts →
	Exact match “Trustmarque delivers the value of technology to bring real-life impact.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Ultima	Exact match	Berkshire, United KingdomHQ recorded Nov 6, 2026	201-500	294 contacts →
	Exact match “We’re technology experts trusted by organisations globally to achieve successful business outcomes through our award-winning services and solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Intercity	Exact match	Birmingham, United KingdomHQ recorded Nov 6, 2026	201-500	292 contacts →
	Exact match “At Intercity, we help you Do More with Technology, Cloud & Security, Communications and Managed IT services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Devtech	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	265 contacts →
	Exact match “Devtech provides outcome-driven digital innovation services and helps companies better respond to change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Wanstor	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	227 contacts →
	Exact match “Wanstor: Experience First \| AI Fluent \| Secure by Default Wanstor is a trusted Managed IT Services company that helps ambitious organisations leverage technology to achieve better…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	ROCK	Exact match	Pencoed, United KingdomHQ recorded Nov 6, 2026	51-200	225 contacts →
	Exact match “Technology services for the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “infrastructure modernization services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 20 of 1,925 infrastructure modernization services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 16,732 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure modernization services based in the United Kingdom at a glance

As of Nov 6, 2026

25.4%Verified-email coverage

34.2Average contacts per company

1-10Median size (employees)

37.2%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

1,044

11-50

611

51-200

184

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,925 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 “infrastructure modernization 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 16,732 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.

Infrastructure modernization 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 “infrastructure modernization services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure modernization services are there based in the United Kingdom?

RevenueBase identified 1,925 company matches for infrastructure modernization 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?

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

Which city has the most infrastructure modernization services?

London leads with 716 company records, followed by Manchester (62) and Leeds (34).

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 16,732 professional contacts with verified work emails tracked across these 1,925 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.