Company lists · Data refreshed September 2026

Top 24 Technical support outsourcing companies based in London, United Kingdom

Name: Technical support outsourcing 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 13, 2026 117 companies tracked

RevenueBase identified 117 company matches for technical support outsourcing companies associated with London, United Kingdom as of September 2026 and tracks 2,357 professional contacts across them, including 829 with verified work emails and 184 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for technical support outsourcing 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 13, 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 13, 2026 How this list was built

117Companies

2,357Contacts tracked

829Verified emails

184Mobile numbers

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The 24 largest technical support outsourcing companies based in London, United Kingdom

Ranked by team size

Top 24 of 117 company matches for technical support outsourcing companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 13, 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	NSC Global	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1,001-5,000	1,039 contacts →
	Exact match “Global business doesn’t have to be complicated.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
2	Field Work Technologies LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	96 contacts →
	Exact match “Promise to deliver Servicing Certainty worldwide.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
3	Bluesource	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	92 contacts →
	Exact match “The costs for shifting to the cloud and juggling a hybrid environment continue to escalate due to rising support fees and expensive tech resources.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
4	Field Techs Services LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	63 contacts →
	Exact match “Field Techs Services LTD is a best one IT support providing company in EMEA, APAC and LATUM.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
5	Support Adventure	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	62 contacts →
	Exact match “Support Adventure is an outsourcing company that specializes in customer service and support.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
6	AUH Technologies	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	52 contacts →
	Exact match “AUH Technologies is a leading provider of Desktop Support and Network Support services.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
7	Techno Networks	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	38 contacts →
	Exact match “We are focused on providing on-demand and well-managed IT support services around the globe and around the clock.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
8	Globex IT LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	32 contacts →
	Exact match “Globex is an experienced third party IT Support provider in delivering ONSITE support and HARDWARE maintenance services worldwide 24×7.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
9	Pmas Techs	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	31 contacts →
	Exact match “PMAS Techs Ltd is an IT technical support services provider.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
10	Tech Tigon LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	21 contacts →
	Exact match “Techtigon \| Global IT Solutions & Third Party Maintenance Tech Tigon Ltd.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
11	I Guru	Exact match	London, United KingdomHQ recorded Sep 13, 2026	201-500	21 contacts →
	Exact match “I-Guru is a privately owned IT Support and IT Services business formed in 2010.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
12	Labyrinth Technology LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	19 contacts →
	Exact match “Labyrinth Technology has been supporting law firms across the UK for over 20 years.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
13	Giotech IT Support London	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	17 contacts →
	Exact match “Giotech - Elevating Your IT Experience.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
14	OUR IT Department LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	14 contacts →
	Exact match “We provide award winning telephone, remote and scheduled onsite IT Support Services & IT Solutions to organisations with between 10-300 staff members.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
15	EVO Network-Ict	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	13 contacts →
	Exact match “EVO Network ICT is one of the leading ICT support providers in the UK, delivering reliable and well-managed IT services to our valued clients across the globe.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
16	White Label IT	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	10 contacts →
	Exact match “As your MSP grows, your helpdesk has to grow with it.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
17	Zaks IT Limited	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	10 contacts →
	Exact match “Every Business needs IT Support, a host of software applications and hardware devices to make their business work better.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
18	Centrix Global	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	8 contacts →
	Exact match “Centrix Global: Your Trusted IT Partner Centrix Global is your ultimate partner in driving business success through cutting-edge IT services and consulting.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
19	Iternity Limited	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	7 contacts →
	Exact match “Information Technology Consultancy and Support.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
20	OEM Support Solutions	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	7 contacts →
	Exact match “Elevate Telecom Excellence with OEM Support Solutions Welcome to OEM Support Solutions, your global telecom support partner.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
21	SBS IT LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	6 contacts →
	Exact match “Business IT Support and Consultancy, London, Surrey and Kent.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
22	Maptec IT	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	6 contacts →
	Exact match “IT on your side If your IT systems have ever let you down, you need MAPTEC IT.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
23	Qualinet Solutions LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	5 contacts →
	Exact match “Qualinet Solutions Limited (now QNS LLP), began in March of 2003.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
24	UA Technology Services	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	5 contacts →
	Exact match “We provide bespoke Technology Support services to SME's in the London Area.” Recorded in the RevenueBase company graph · Sep 13, 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 “technical support outsourcing 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 24 of 117 technical support outsourcing companies based in London, United Kingdom

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Technical support outsourcing companies based in London, United Kingdom at a glance

As of Sep 13, 2026

35.2%Verified-email coverage

7.8%Mobile-number coverage

20.1Average contacts per company

11-50Median size (employees)

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 15.0d

6520–30

17031–60

561–90

090–180

2180+

Company record updated

Median 78.0d

00–30

73131–60

1,19061–90

28890–180

148180+

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 “technical support outsourcing 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 829 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 13, 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 “technical support outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many technical support outsourcing companies are there based in London, United Kingdom?

RevenueBase identified 117 company matches for technical support outsourcing 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?

NSC Global 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 technical support outsourcing companies?

London leads the United Kingdom with 155 company records, followed by Birmingham (7) and Bristol (7).

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 829 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 13, 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.