Company lists · Data refreshed September 2026

Top 25 Enterprise network consulting companies based in London, United Kingdom

Name: Enterprise network consulting companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 117 companies tracked

RevenueBase identified 117 company matches for enterprise network consulting companies associated with London, United Kingdom as of September 2026 and tracks 2,143 professional contacts across them, including 1,255 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for enterprise network consulting companies associated with London, 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

117Companies

2,143Contacts tracked

1,255Verified emails

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The 25 largest enterprise network consulting companies based in London, United Kingdom

Ranked by team size

Top 25 of 117 company matches for enterprise network consulting companies based in London, 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	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
2	Zenzero	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	401 contacts →
	Exact match “We believe successful businesses are underpinned by quality IT infrastructure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Maintel	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	341 contacts →
	Exact match “Maintel is a communications managed services provider.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Caretower An Integrity360 Company	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	97 contacts →
	Exact match “As an independent IT security specialist, Caretower provide comprehensive solutions to individual problems, thus allowing our recommendations to be unbiased.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	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
6	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
7	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
8	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
9	Infrastructure Design Solutions	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “IDS is a global ICT and security infrastructure design consultancy, specialized in structured cabling design and physical security engineering solutions that meet the highest…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Formation Tech	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	22 contacts →
	Exact match “Specialsing in cybersecurity, networks, voice and video, we're on a mission to transform workspaces and deliver exceptional outcomes for our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	C-Serv	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	20 contacts →
	Exact match “At C-Serv, we partner with technology leaders building world-class solutions across networking, cloud, cybersecurity, and AI-delivering expert teams and consulting support in 50+…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	NGS Next Generation Security	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “Formed in 2018, NGS (UK) Ltd are independent, Next Generation Security trusted advisors, providing all-encompassing solutions from the perimeter to the endpoint.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	H3o Digital	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “H3O Digital provides enterprise class technical services for businesses of all sizes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Vits LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	16 contacts →
	Exact match “Your Trusted Partner in Cybersecurity & 360 IT Support Founded in 2004, VITS has built a reputation for protecting businesses across the globe with robust, responsive, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	GTP Works	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “GTP Works strives to be the trusted connection to the networked works and is focused on delivering technology that enhances customer experience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Sylversys	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	14 contacts →
	Exact match “SYLVERSYS is a solutions integration firm with a specialty in providing secure computer and network products/solutions for businesses and organizations in the private and public…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Starfish	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Mission: The mission of Starfish is to develop technical expertise and share it openly for the benefit of our community.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Re-Solution	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “Re-Solution Data Ltd is a London-based company specialising in Cisco technologies, focusing on security, networks, data centres, and cloud solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Pentima	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Pentima: Your Trusted Advisor in WAN & Telecommunications, Cloud & Security Solutions Pentima is a renowned consultancy specialising in the WAN & telecommunications, Cloud &…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Enable Network Services	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	5 contacts →
	Exact match “A team of highly trained network specialists dedicated to engineering the best solutions with state of the art technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Nisatec	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Nisa Tech provides ICT and network solutions to various enterprise markets.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Netconnection Systems, Part Of The Charterhouse Group	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	4 contacts →
	Exact match “Charterhouse is your trusted technology partner - designing, provisioning and supporting the technology that underpins your operations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Deltacanon	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “At DeltaCanon our mission is simple; To deliver industry leading Design & Build solutions for high spec ICT projects across the globe.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Infolearn Technologies	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Professional Services to leverage today's technology for tomorrow's enterprises.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Uk-Tec	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “Building on an enviable wealth of experience in the creation and provision of security, network and cloud managed solutions, UK-tec offers a breadth of services to the UK channel…” 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 consulting 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 117 enterprise network consulting companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,255 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise network consulting companies based in London, United Kingdom at a glance

As of Sep 28, 2026

58.6%Verified-email coverage

18.3Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 117 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 London, United Kingdom whose business descriptions match “enterprise network consulting 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 1,255 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.

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

How many enterprise network consulting companies are there based in London, United Kingdom?

RevenueBase identified 117 company matches for enterprise network consulting companies associated with London, 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?

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

Which city in the United Kingdom has the most enterprise network consulting companies?

London leads the United Kingdom with 117 company records, followed by Leeds (8) and Manchester (8).

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 1,255 professional contacts with verified work emails tracked across these 117 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.