Company lists · Data refreshed September 2026

Top 25 Enterprise networking companies based in the United Kingdom

Name: Enterprise networking companies 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 460 companies tracked

RevenueBase identified 460 company matches for enterprise networking companies associated with the United Kingdom as of September 2026 and tracks 6,943 professional contacts across them, including 2,894 with verified work emails. London is the largest hub.

This list covers company matches for enterprise networking 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 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

460Companies

6,943Contacts tracked

2,894Verified emails

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The 25 largest enterprise networking companies based in the United Kingdom

Ranked by team size

Top 25 of 460 company matches for enterprise networking companies 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	Exponential-E	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	667 contacts →
	Exact match “Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	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
4	Elevate	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	201-500	242 contacts →
	Exact match “Elevate makes seamless, secure intelligent networks as effortless as they should be.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	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
6	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
7	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
8	IDEAL	Exact match	Brighton, United KingdomHQ recorded Sep 28, 2026	51-200	95 contacts →
	Exact match “Ideal specialise in Networking, Connectivity and Advanced Wireless, Cyber Security (SASE), Cloud, Collaboration & Safe AI Adoption.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	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
10	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
11	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
12	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
13	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
14	ADM Computing	Exact match	Canterbury, United KingdomHQ recorded Sep 28, 2026	51-200	72 contacts →
	Exact match “ADM Computing is an independent, family-owned IT services provider headquartered in Canterbury, supporting organisations across Kent, London and the South East since 1984.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Sytel Reply	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	68 contacts →
	Exact match “Sytel Reply is the Reply Company focused on Networks and Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	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
17	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
18	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
19	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
20	FNG Fortitude Nicsa Global LTD	Exact match	Derby, United KingdomHQ recorded Sep 28, 2026	51-200	51 contacts →
	Exact match “Fortitude Nicsa Global (FNG) is a leading provider of comprehensive IT services, supporting businesses in over 160 countries with innovative, 24/7 solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	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
22	D-Link Europe	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	46 contacts →
	Exact match “D-Link helps you connect to more of everything with our innovative approach to computer networking.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	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
24	Vaioni Group Limited	Exact match	Salford, United KingdomHQ recorded Sep 28, 2026	11-50	43 contacts →
	Exact match “Vaioni is a multi-award-winning network operator, delivering mission critical digital transformation solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	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

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 networking companies”. 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 460 enterprise networking companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 2,894 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise networking companies based in the United Kingdom at a glance

As of Sep 28, 2026

41.7%Verified-email coverage

15.1Average contacts per company

1-10Median size (employees)

18.7%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

244

11-50

145

51-200

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 460 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 networking 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 2,894 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 networking companies by metro

Enterprise networking companies in London86

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 networking companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise networking companies are there based in the United Kingdom?

RevenueBase identified 460 company matches for enterprise networking 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?

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 networking companies?

London leads with 86 company records, followed by Leeds (9) and Manchester (9).

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 2,894 professional contacts with verified work emails tracked across these 460 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.