Company lists · Data refreshed September 2026

Top 22 IT consultancies based in the United Kingdom

RevenueBase identified 18,164 company matches for IT consultancies associated with the United Kingdom as of September 2026 and tracks 202,823 professional contacts across them, including 64,307 with verified work emails and 12,647 with mobile numbers. London is the largest hub.

This list covers company matches for IT consultancies 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 26, 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 26, 2026 How this list was built
18,164Companies
202,823Contacts tracked
64,307Verified emails
12,647Mobile numbers
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The 22 largest IT consultancies based in the United Kingdom

Ranked by team size
Top 22 of 18,164 company matches for IT consultancies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 26, 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 26, 202610001+9,653 contacts →

Exact match

“For over two decades, we have been harnessing technology to drive meaningful change.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 26, 20265,001-10,0007,396 contacts →

Exact match

“Capco, a Wipro company, is a global technology and management consultancy specializing in driving digital transformation in the financial services industry.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 26, 20261,001-5,0004,583 contacts →

Exact match

“We’re FDM, an award-winning global business and technology consultancy.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 26, 2026501-1,0002,673 contacts →

Exact match

“Building tomorrow’s tech landscape together Computer Futures is a Technology specialist, part of SThree, the global STEM workforce consultancy.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 26, 20261,001-5,0002,179 contacts →

Exact match

“Baringa is a global consulting firm that helps leaders drive meaningful change and create value.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 26, 20261,001-5,0001,417 contacts →

Exact match

“K2 Partnering Solutions is a global provider of unique end-to-end consultative solutions in the enterprise applications, AI, and cloud space.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 26, 2026201-5001,221 contacts →

Exact match

“Blackmont Consulting provides 100% free advisory services to NGO´s, NPO´s and start-ups.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 26, 20261,001-5,0001,172 contacts →

Exact match

“We are honoured to be recognised as one of the Top 10 Best Places to Work in the UK for the third year running, according to Glassdoor’s prestigious 2026 list.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
9Exact matchLeeds, United KingdomHQ recorded Sep 26, 20261,001-5,0001,078 contacts →

Exact match

“BJSS is an award-winning technology and engineering consultancy for business.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 26, 20261,001-5,0001,039 contacts →

Exact match

“Global business doesn’t have to be complicated.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
11Exact matchNewry, United KingdomHQ recorded Sep 26, 20261,001-5,000988 contacts →

Exact match

“First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 26, 20261,001-5,000976 contacts →

Exact match

“Delta Capita is a leading global Capital Markets consulting, managed services, and technology provider with a unique combination of experience in financial services and capability…”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
13Exact matchLeicester, United KingdomHQ recorded Sep 26, 20261,001-5,000944 contacts →

Exact match

“Mindera is a global consulting and engineering company with 1100+ people, delivering technology solutions across 9 locations, from Brazil to Australia.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 26, 20261,001-5,000910 contacts →

Exact match

“We empower people to create sustainable value with the clever use of technology.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
15Exact matchManchester, United KingdomHQ recorded Sep 26, 2026501-1,000870 contacts →

Exact match

“At Oliver James, we deliver flexible hiring solutions tailored to your business needs across financial services, professional services, commerce & industry.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
16Exact matchWakefield, United KingdomHQ recorded Sep 26, 20261,001-5,000844 contacts →

Exact match

“Complexity isn’t the enemy.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
17Exact matchManchester, United KingdomHQ recorded Sep 26, 2026201-500844 contacts →

Exact match

“We are the largest Google Cloud-only digital consultancy in Europe, and our mission is to change the way technology works for business.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
18Exact matchStaines-upon-thames, United KingdomHQ recorded Sep 26, 2026201-500764 contacts →

Exact match

“MTI provides award-winning, end-to-end technology solutions and services in cyber security and data centre for over 35 years.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 26, 2026201-500736 contacts →

Exact match

“Shaping the future of finance Huxley is an IT specialist, part of SThree, the global STEM workforce consultancy.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 26, 20265,001-10,000697 contacts →

Exact match

“Follow us now at WPP Enterprise Solutions, WPP’s global business transformation unit, designing, building and operating the growth systems that competitive businesses rely on.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
21Exact matchFleet, United KingdomHQ recorded Sep 26, 20261,001-5,000540 contacts →

Exact match

“Dimension Data uses the power of technology to help organisations achieve great things.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
22Exact matchReading, United KingdomHQ recorded Sep 26, 2026501-1,000538 contacts →

Exact match

“Unlock your potential with XMA.”

Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase

Showing 22 of 18,164 IT consultancies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 64,307 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT consultancies based in the United Kingdom at a glance

As of Sep 26, 2026
31.7%Verified-email coverage
6.2%Mobile-number coverage
11.2Average contacts per company
1-10Median size (employees)
35.0%Largest-city concentration · London
Sep 26, 2026Page data refreshed

Companies by employee count

1-10
13,395
11-50
3,460
51-200
873
201-500
201
501-1,000
48
1,001-5,000
66
5,001-10,000
15
10001+
17

Freshness & accuracy

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

Email last verified

Median 28.0d

Company record updated

Median 91.0d

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 “IT consultancies” 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 64,307 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 26, 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.

IT consultancies 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 “IT consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT consultancies are there based in the United Kingdom?

RevenueBase identified 18,164 company matches for IT consultancies 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?

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

Which city has the most IT consultancies?

London leads with 6364 company records, followed by Manchester (438) and Birmingham (264).

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 64,307 professional contacts with verified work emails tracked across these 18,164 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 26, 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.