Company lists · Data refreshed September 2026

Top 25 Enterprise network builders based in the United Kingdom

Name: Enterprise network builders based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 254 companies tracked

RevenueBase identified 254 company matches for enterprise network builders associated with the United Kingdom as of September 2026 and tracks 4,296 professional contacts across them, including 1,729 with verified work emails. London is the largest hub.

This list covers company matches for enterprise network builders 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 28, 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 28, 2026 How this list was built

254Companies

4,296Contacts tracked

1,729Verified emails

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The 25 largest enterprise network builders based in the United Kingdom

Ranked by team size

Top 25 of 254 company matches for enterprise network builders based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Kelly Group	Exact match	Wembley, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,053 contacts →
	Exact match “Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	ONNEC	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	585 contacts →
	Exact match “Onnec is a leading partner for IT Infrastructure design, installation and operational support services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Mayflex	Exact match	Birmingham, United KingdomHQ recorded Sep 28, 2026	201-500	221 contacts →
	Exact match “Driven to deliver more.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	MLL Telecom	Exact match	Marlow, United KingdomHQ recorded Sep 28, 2026	51-200	165 contacts →
	Exact match “MLL has over 25 years’ experience in designing, building and managing secure networks for the Public Sector, including local government, health, emergency services, education and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Block Solutions	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	141 contacts →
	Exact match “Block was created for one reason: to empower people and inspire change through technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Linbrooke Services LTD	Exact match	Sheffield, United KingdomHQ recorded Sep 28, 2026	201-500	89 contacts →
	Exact match “We connect people, technologies and locations, enabling service providers, OEM's and internet service providers to deploy, scale, support and maintain network infrastructure…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	KCP Network	Exact match	Bracknell, United KingdomHQ recorded Sep 28, 2026	51-200	81 contacts →
	Exact match “KCP \| Network Solutions and Design \| Software Development \| Automation Since 2008 KCP built a legacy of trust with our global customers by becoming a leading provider of SMART…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Switchshop Limited	Exact match	Kimpton, United KingdomHQ recorded Sep 28, 2026	51-200	79 contacts →
	Exact match “Switchshop is a specialist designer, installer and provider of IT network equipment solutions and one of the UK's leading resellers of networking hardware.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	ISG Tech	Exact match	Nelson, United KingdomHQ recorded Sep 28, 2026	201-500	76 contacts →
	Exact match “ISG Tech is a market-leading provider of services for the design, deployment and management of enterprise network connectivity with over 35 years of experience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Installation Technology Limited	Exact match	Reading, United KingdomHQ recorded Sep 28, 2026	51-200	74 contacts →
	Exact match “Installation Technology has over thirty years of experience in providing technical solutions in advanced communication systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Leviton Network Solutions Europe	Exact match	Glenrothes, United KingdomHQ recorded Sep 28, 2026	201-500	63 contacts →
	Exact match “Leviton Network Solutions Europe supports commercial and residential networks with high-performance network infrastructure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Insoft Services	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	60 contacts →
	Exact match “Insoft Services specializes in elevating IT infrastructure resilience and security, focusing on the critical domains of IT networking, data center infrastructure, cybersecurity…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Specialist Network Operations	Exact match	Oswestry, United KingdomHQ recorded Sep 28, 2026	51-200	54 contacts →
	Exact match “SNO is a specialist network operations and security partner, helping organisations design, secure, and manage the networks they rely on every day.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	MLR Networks LTD	Exact match	Runcorn, United KingdomHQ recorded Sep 28, 2026	11-50	53 contacts →
	Exact match “We are an IT network infrastructure managed services provider delivering enterprise networking, wireless networks, structured cabling and security solutions to customers across…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Electranet UK Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	49 contacts →
	Exact match “Electranet’s mission is to be a preferred partner to the public and private sectors, bringing competitively priced, secure and innovative solutions to the market.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Borwood	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	43 contacts →
	Exact match “At Borwood, we believe that seamless, always-on communication is the foundation of global business success.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Select Technology	Exact match	Paddock Wood, United KingdomHQ recorded Sep 28, 2026	11-50	40 contacts →
	Exact match “Select Technology is one of the South East’s leading technology service providers, with 30 years of expertise in designing, implementing and supporting IT networks of all sizes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Datel Group LTD	Exact match	Weston-super-mare, United KingdomHQ recorded Sep 28, 2026	51-200	39 contacts →
	Exact match “Structured Cabling and Network Solutions that Power Your Progress” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Astro Communications LTD	Exact match	Dartford, United KingdomHQ recorded Sep 28, 2026	11-50	39 contacts →
	Exact match “Astro Communications are experts in solving business challenges through the design, deployment and management of end-to-end communications and networking solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Lan2lan	Exact match	Leatherhead, United KingdomHQ recorded Sep 28, 2026	11-50	39 contacts →
	Exact match “LAN2LAN is a specialist systems integration, installation and project management organisation focused on driving technologically innovative solutions that deliver intelligent…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	GGR Communications LTD	Exact match	Droitwich, United KingdomHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “GGR Communications, a Cisco Premier Partner, offer the latest solutions and technologies for Managed Network Services, Wireless Networking, Unified Communications, Network and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Excel IT	Exact match	Grays, United KingdomHQ recorded Sep 28, 2026	201-500	35 contacts →
	Exact match “Excel builds, supports and optimises the IT infrastructure, networks and connectivity which drive global business performance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Dacc Europe Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	31 contacts →
	Exact match “DACC Europe is a leading structured cable and network infrastructure provider established in 1996 in Docklands London, enjoying year on year growth and fully manufacturer…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Cable Management Warehouse LTD	Exact match	Bedford, United KingdomHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “Cable Management Warehouse is a specialist distributor of infrastructure, networking and security solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Comstor UK	Exact match	Cirencester, United KingdomHQ recorded Sep 28, 2026	51-200	25 contacts →
	Exact match “Comstor is the leading Distributor of Cisco's advanced networking products.” Recorded in the RevenueBase company graph · Sep 28, 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 “enterprise network builders”. 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 25 of 254 enterprise network builders based in the United Kingdom

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Enterprise network builders based in the United Kingdom at a glance

As of Sep 28, 2026

40.2%Verified-email coverage

16.9Average contacts per company

1-10Median size (employees)

20.5%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

146

11-50

51-200

201-500

501-1,000

1,001-5,000

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 254 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 “enterprise network builders” 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 1,729 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 28, 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.

Enterprise network builders by metro

Enterprise network builders in London52

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 “enterprise network builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise network builders are there based in the United Kingdom?

RevenueBase identified 254 company matches for enterprise network builders 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?

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

Which city has the most enterprise network builders?

London leads with 52 company records, followed by Manchester (5) and Northampton (5).

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 1,729 professional contacts with verified work emails tracked across these 254 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 28, 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.