Company lists · Data refreshed November 2026

Top 25 Microsoft office 365 security providers based in the United Kingdom

RevenueBase identified 64 company matches for microsoft office 365 security providers associated with the United Kingdom as of November 2026 and tracks 870 professional contacts across them, including 451 with verified work emails. London is the largest hub.

This list covers company matches for microsoft office 365 security providers 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 5, 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 5, 2026 How this list was built
64Companies
870Contacts tracked
451Verified emails
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The 25 largest microsoft office 365 security providers based in the United Kingdom

Ranked by team size
Top 25 of 64 company matches for microsoft office 365 security providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-500313 contacts →

Exact match

“At Kocho, we believe greatness lies in everyone.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchMarlow, United KingdomHQ recorded Nov 5, 202651-200182 contacts →

Exact match

“24 x 7 Cloud Service Provider & Managed Security Service Provider delivering technology transformation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5036 contacts →

Exact match

“Syntax Integration Limited are one of the leading IT companies in London, specialising in IT support, Microsoft 365, Microsoft Azure, and security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchMilton Keynes, United KingdomHQ recorded Nov 5, 202651-20025 contacts →

Exact match

“Silverbug are IT experts who do things a little differently.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5023 contacts →

Exact match

“At Proxar IT Consulting, we make IT simple, secure and reliable.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20023 contacts →

Exact match

“Award-winning Microsoft gold partner, ThirdSpace specialises in identity management, enterprise mobility and cyber security solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchManchester, United KingdomHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“SMS is a leading managed cloud solutions provider offering Microsoft Office 365, Microsoft Azure, along with ancillary back up, cybersecurity and professional services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchRackheath, United KingdomHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“As a Microsoft Cloud Service Provider, we provide best-in-class platforms and productivity services for a mobile-first, cloud-first world – including Azure cloud solutions…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchReading, United KingdomHQ recorded Nov 5, 202651-20014 contacts →

Exact match

“AVR WAS FOUNDED ON A BELIEF IN DOING WHAT IS RIGHT FOR OUR CUSTOMERS, NOT WHAT IS EASY FOR US.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchStockton On Tees, United KingdomHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“Circle Cloud deliver proactive IT support and built-in cyber security for SMEs across the North East.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchHitchin, United KingdomHQ recorded Nov 5, 20261-1012 contacts →

Exact match

“Konnetix helps UK businesses stay secure, productive and prepared for growth through managed IT services, cyber security and strategic technology support.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“We’re specialists in enterprise cloud, workplace, and security platforms.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Xenace is a certified Microsoft partner providing affordable, fully managed IT support for your business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchMarlow Bucks, United KingdomHQ recorded Nov 5, 20261-107 contacts →

Exact match

“Formed in 2010, Security Software Solutions Ltd (S3 Ltd) has become a recognised force in Enterprise Security Solutions in Europe.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchUppingham, United KingdomHQ recorded Nov 5, 20261-106 contacts →

Exact match

“IT Support & Managed Services, for Compliance, Security & Peace of Mind.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBrigg, United KingdomHQ recorded Nov 5, 202611-505 contacts →

Exact match

“TerraSecure Is a bespoke security provider offering price effective solution to small, Medium and large businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchHavant, United KingdomHQ recorded Nov 5, 20261-105 contacts →

Exact match

“We're Microsoft 365 experts providing businesses with Modern Work solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-504 contacts →

Exact match

“Since 2004, we’ve built our reputation on trust, delivering reliable, practical IT solutions that businesses recommend.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-504 contacts →

Exact match

“Navigating Microsoft Cloud security shouldn't feel like walking through fog.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchTaunton, United KingdomHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Pro Cloud Solutions Ltd delivers managed IT support and secure Microsoft 365 solutions for growing businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchCrossgar, United KingdomHQ recorded Nov 5, 20261-104 contacts →

Exact match

“We are Support IT NI.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchLeicestershire & London, United KingdomHQ recorded Nov 5, 202611-504 contacts →

Exact match

“Microtech is a UK-based managed IT and cybersecurity provider, specialising in Microsoft 365, cloud migration and IT service management.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchMirfield, United KingdomHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Welcome to On IT, where we transform businesses through simplified and valuable IT solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchWakefield, United KingdomHQ recorded Nov 5, 20261-103 contacts →

Exact match

“About Us: At TechMonkeys Ltd, we specialize in guiding businesses through the intricacies of today's digital landscape.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchLeeds, United KingdomHQ recorded Nov 5, 20261-102 contacts →

Exact match

“At Greyhound IT we provide fast & reliable IT Support to let you concentrate on your business while we look after your IT, making technology work for you and not the other way…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 64 microsoft office 365 security providers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 451 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Microsoft office 365 security providers based in the United Kingdom at a glance

As of Nov 5, 2026
51.8%Verified-email coverage
13.6Average contacts per company
1-10Median size (employees)
26.6%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
43
11-50
15
51-200
4
201-500
1

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 64 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 “microsoft office 365 security providers” 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 451 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 5, 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 “microsoft office 365 security providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many microsoft office 365 security providers are there based in the United Kingdom?

RevenueBase identified 64 company matches for microsoft office 365 security providers 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?

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

Which city has the most microsoft office 365 security providers?

London leads with 17 company records, followed by Cardiff (3) and Manchester (2).

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 451 professional contacts with verified work emails tracked across these 64 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 5, 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.