Company lists · Data refreshed September 2026

Top 25 Managed IT services for audit firms based in the United Kingdom

RevenueBase identified 631 company matches for managed IT services for audit firms associated with the United Kingdom as of September 2026 and tracks 6,498 professional contacts across them, including 2,763 with verified work emails. London is the largest hub.

This list covers company matches for managed IT services for audit firms 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
631Companies
6,498Contacts tracked
2,763Verified emails
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The 25 largest managed IT services for audit firms based in the United Kingdom

Ranked by team size
Top 25 of 631 company matches for managed IT services for audit firms 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 28, 20261,001-5,000505 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchBracknell, United KingdomHQ recorded Sep 28, 2026201-500251 contacts →

Exact match

“A&O IT Group, a global leader in managed IT services, brings over 50 years of expertise and operates in over 130 countries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchStockton-on-tees, United KingdomHQ recorded Sep 28, 2026201-500130 contacts →

Exact match

“razorblue is a people-focused managed IT partner, committed to helping businesses grow, adapt and succeed through technology.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchChesterfield, United KingdomHQ recorded Sep 28, 202651-200120 contacts →

Exact match

“Central Technology is a trusted IT partner delivering Managed IT Support, Cloud, Cyber Security and Telecom Solutions to organisations across the UK.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-200105 contacts →

Exact match

“Cybersecurity specialists providing technology and telecoms solutions that gives you the leadership, experience and resilience you need to build and secure the future of work.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20099 contacts →

Exact match

“OryxAlign creates true alignment that delivers the right outcomes for all.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchTamworth, United KingdomHQ recorded Sep 28, 202651-20095 contacts →

Exact match

“Quiss Technology plc provides fully managed IT support for businesses across the UK, exploiting technology to deliver commercial advantages and business benefits to companies in a…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchGuildford, United KingdomHQ recorded Sep 28, 202651-20093 contacts →

Exact match

“ramsac provide so much more than just IT support.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchHalesowen, United KingdomHQ recorded Sep 28, 202651-20091 contacts →

Exact match

“We are EBC Group.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchCirencester, United KingdomHQ recorded Sep 28, 202651-20082 contacts →

Exact match

“At Kubus, we enhance our customers’ experiences by simplifying and managing complex IT solutions, delivered through expertise, world class partnerships, with a global reach.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchMilton Keynes, United KingdomHQ recorded Sep 28, 2026201-50073 contacts →

Exact match

“Bluecube - An Ekco Company Our mission is simple.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchBrentwood, United KingdomHQ recorded Sep 28, 202611-5067 contacts →

Exact match

“3Gi Technology is a global IT Managed Service Provider (MSP) offering enterprise level IT Professional Services to numerous companies all over the world.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchBelfast, United KingdomHQ recorded Sep 28, 202651-20066 contacts →

Exact match

“We create, design, deliver and support informed & intelligent strategies to navigate shifting technology, keeping organisations like yours effective & secure.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchManchester, United KingdomHQ recorded Sep 28, 2026501-1,00063 contacts →

Exact match

“Empowering Global Business with Seamless IT Excellence At Layers Logic IT Limited, we don’t just provide tech support-we build the digital backbone for global enterprises.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact match162 Farringdon Rd, United KingdomHQ recorded Sep 28, 202611-5055 contacts →

Exact match

“Zhero provides end-to-end business cybersecurity and IT support to a range of industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchOssett, United KingdomHQ recorded Sep 28, 202651-20049 contacts →

Exact match

“Concorde Technology Group is one of the UK’s leading Managed IT Services providers, specialising in Infrastructure Solutions, IT support, Cybersecurity, Communications and Cloud…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchDoncaster, United KingdomHQ recorded Sep 28, 202651-20043 contacts →

Exact match

“At TwentyFour IT Services, we are experts in providing the best IT, Infrastructure & Cyber Security support and services across the UK.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchKentish Town, United KingdomHQ recorded Sep 28, 202611-5042 contacts →

Exact match

“At Correct Group, we help businesses become more secure, compliant, and confident in the way they use and manage technology.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchDorking, United KingdomHQ recorded Sep 28, 202611-5039 contacts →

Exact match

“At Recarta IT, we believe complex technology should never hold a business back.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchBrentford, United KingdomHQ recorded Sep 28, 202611-5039 contacts →

Exact match

“For over 20 years, we’ve helped businesses stay productive, secure and resilient through reliable IT support, modern cloud solutions and cyber security services designed for…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchPeterborough, United KingdomHQ recorded Sep 28, 202611-5038 contacts →

Exact match

“If you're running a business, the last thing you need is slow, unreliable IT creating expensive problems.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchSt. Albans, United KingdomHQ recorded Sep 28, 202611-5034 contacts →

Exact match

“Cheeky Munkey is a privately owned and managed IT support company based in St Albans, Hertfordshire, providing professional IT support within London and the South East.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchBelfast, United KingdomHQ recorded Sep 28, 202611-5033 contacts →

Exact match

“Nimbus helps growing organisations move from reactive IT to a secure, supported and strategic technology foundation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchBorehamwood, United KingdomHQ recorded Sep 28, 202611-5033 contacts →

Exact match

“Chalkline is your end-to-end technology solutions partner, providing fully outsourced managed services, advanced cybersecurity and personalised IT consulting to drive your digital…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchWhitechapel, United KingdomHQ recorded Sep 28, 202651-20032 contacts →

Exact match

“20+ years keeping London businesses secure, connected and productive.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 631 managed IT services for audit firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 2,763 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed IT services for audit firms based in the United Kingdom at a glance

As of Sep 28, 2026
42.5%Verified-email coverage
10.3Average contacts per company
1-10Median size (employees)
24.7%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
372
11-50
206
51-200
33
201-500
10
501-1,000
2
1,001-5,000
2

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 631 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 “managed IT services for audit firms” 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 2,763 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.

Managed IT services for audit firms by metro

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 “managed IT services for audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed IT services for audit firms are there based in the United Kingdom?

RevenueBase identified 631 company matches for managed IT services for audit firms 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?

Mazars In The UK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most managed IT services for audit firms?

London leads with 156 company records, followed by Manchester (13) and Nottingham (11).

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 2,763 professional contacts with verified work emails tracked across these 631 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.