Company lists · Data refreshed September 2026

Top 24 IT business consulting firms based in the United Kingdom

Name: IT business consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 26, 2026 5,810 companies tracked

RevenueBase identified 5,810 company matches for IT business consulting firms associated with the United Kingdom as of September 2026 and tracks 86,958 professional contacts across them, including 26,735 with verified work emails and 4,264 with mobile numbers. London is the largest hub.

This list covers company matches for IT business consulting 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 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

5,810Companies

86,958Contacts tracked

26,735Verified emails

4,264Mobile numbers

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The 24 largest IT business consulting firms based in the United Kingdom

Ranked by team size

Top 24 of 5,810 company matches for IT business consulting firms 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Endava	Exact match	London, United KingdomHQ recorded Sep 26, 2026	10001+	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
2	K2 Partnering Solutions	Exact match	London, United KingdomHQ recorded Sep 26, 2026	1,001-5,000	1,417 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
3	Equal Experts	Exact match	London, United KingdomHQ recorded Sep 26, 2026	1,001-5,000	1,172 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
4	NSC Global	Exact match	London, United KingdomHQ recorded Sep 26, 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 26, 2026 · View company records in RevenueBase
5	First Derivative	Exact match	Newry, United KingdomHQ recorded Sep 26, 2026	1,001-5,000	988 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
6	Nasstar	Exact match	Wakefield, United KingdomHQ recorded Sep 26, 2026	1,001-5,000	844 contacts →
	Exact match “Complexity isn’t the enemy.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
7	MTI	Exact match	Staines-upon-thames, United KingdomHQ recorded Sep 26, 2026	201-500	764 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
8	VML Enterprise Solutions	Exact match	London, United KingdomHQ recorded Sep 26, 2026	5,001-10,000	697 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
9	Node4	Exact match	Derby, United KingdomHQ recorded Sep 26, 2026	1,001-5,000	628 contacts →
	Exact match “Node4 helps businesses achieve more with secure, AI‑powered cloud and managed service platforms.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
10	Dimension Data UKI	Exact match	Fleet, United KingdomHQ recorded Sep 26, 2026	1,001-5,000	540 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
11	XMA	Exact match	Reading, United KingdomHQ recorded Sep 26, 2026	501-1,000	538 contacts →
	Exact match “Unlock your potential with XMA.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
12	Lemongrass	Exact match	Reading, United KingdomHQ recorded Sep 26, 2026	501-1,000	504 contacts →
	Exact match “Lemongrass is a global SAP-focused cloud services provider focused on enabling Enterprises to turn SAP into a strategic advantage.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
13	Trustmarque	Exact match	York, United KingdomHQ recorded Sep 26, 2026	501-1,000	421 contacts →
	Exact match “Trustmarque delivers the value of technology to bring real-life impact.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
14	Zenitech	Exact match	London, United KingdomHQ recorded Sep 26, 2026	501-1,000	408 contacts →
	Exact match “Zenitech creates technology to transform businesses.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
15	Zenzero	Exact match	London, United KingdomHQ recorded Sep 26, 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 26, 2026 · View company records in RevenueBase
16	Hirexa Solutions	Exact match	London, United KingdomHQ recorded Sep 26, 2026	201-500	377 contacts →
	Exact match “Hirexa Solutions is a leading group of companies committed to delivering exceptional services to Fortune 500 clients worldwide.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
17	Sandhata Technologies	Exact match	London, United KingdomHQ recorded Sep 26, 2026	201-500	363 contacts →
	Exact match “We are a global niche consultancy specialising in services that span all facets of Digital transformation, DevOps, and System Integration.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
18	Emergn	Exact match	London, United KingdomHQ recorded Sep 26, 2026	501-1,000	351 contacts →
	Exact match “Emergn is a global technology and management consultancy built on a simple conviction: the only sustainable competitive advantage is the way you work.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
19	Delaware United Kingdom & Ireland	Exact match	Bristol, United KingdomHQ recorded Sep 26, 2026	1,001-5,000	348 contacts →
	Exact match “Our mission is to help our clients reach their full potential, by applying our common sense, business experience and passion for technology.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
20	Ubique Systems	Exact match	London, United KingdomHQ recorded Sep 26, 2026	501-1,000	333 contacts →
	Exact match “Ubique Systems is a fast growing multifaceted organization which offers a comprehensive array of outsourcing and consulting services for its customers, including recruitment…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
21	Reliance Infosystems	Exact match	West End, United KingdomHQ recorded Sep 26, 2026	201-500	326 contacts →
	Exact match “As our name suggests, our customers rely on us in providing suitable technology inputs to support their business goals.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
22	Cartesian	Exact match	London, United KingdomHQ recorded Sep 26, 2026	201-500	302 contacts →
	Exact match “Cartesian is a specialist consulting firm focused on the global telecommunications, media, and technology industries and is now part of Bounteous, an AI services firm helping…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
23	Elixirr	Exact match	London, United KingdomHQ recorded Sep 26, 2026	501-1,000	275 contacts →
	Exact match “An award-winning global consulting firm working with clients across a diverse range of markets, industries and geographies.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
24	Percipere	Exact match	London, United KingdomHQ recorded Sep 26, 2026	201-500	245 contacts →
	Exact match “Percipere is a niche global consultancy, partnering companies in their evolution towards greater operational efficiency and profitability.” Recorded in the RevenueBase company graph · Sep 26, 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 “IT business consulting firms”. 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 5,810 IT business consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 26,735 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT business consulting firms based in the United Kingdom at a glance

As of Sep 26, 2026

30.7%Verified-email coverage

4.9%Mobile-number coverage

15.0Average contacts per company

1-10Median size (employees)

36.1%Largest-city concentration · London

Sep 26, 2026Page data refreshed

Companies by employee count

1-10

3,931

11-50

1,270

51-200

396

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

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

Email last verified

Median 28.0d

32,4220–30

15,38331–60

92161–90

3390–180

377180+

Company record updated

Median 81.0d

00–30

17,18031–60

55,37261–90

53,01790–180

8,391180+

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 business consulting 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 26,735 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 business consulting 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 “IT business consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT business consulting firms are there based in the United Kingdom?

RevenueBase identified 5,810 company matches for IT business consulting 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?

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

Which city has the most IT business consulting firms?

London leads with 2096 company records, followed by Manchester (123) and Birmingham (94).

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 26,735 professional contacts with verified work emails tracked across these 5,810 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.