Company lists · Data refreshed September 2026

Top 25 Freelancer IT consulting firms based in the United Kingdom

Name: Freelancer IT 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 30, 2026 2,392 companies tracked

RevenueBase identified 2,392 company matches for freelancer IT consulting firms associated with the United Kingdom as of September 2026 and tracks 35,602 professional contacts across them, including 15,974 with verified work emails and 2,075 with mobile numbers. London is the largest hub.

This list covers company matches for freelancer IT 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 30, 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 30, 2026 How this list was built

2,392Companies

35,602Contacts tracked

15,974Verified emails

2,075Mobile numbers

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The 25 largest freelancer IT consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 2,392 company matches for freelancer IT consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 30, 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 30, 2026 · View company records in RevenueBase
2	Baringa	Exact match	London, United KingdomHQ recorded Sep 30, 2026	1,001-5,000	2,179 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 30, 2026 · View company records in RevenueBase
3	K2 Partnering Solutions	Exact match	London, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
4	BIG 4 Consultancy Firm	Exact match	Liverpool, United KingdomHQ recorded Sep 30, 2026	n/a	363 contacts →
	Exact match “This is a page for all contractors and consultants to join, where you are unable to disclose client relationship.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Delaware United Kingdom & Ireland	Exact match	Bristol, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
6	Ubique Systems	Exact match	London, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
7	Cartesian	Exact match	London, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
8	Elixirr	Exact match	London, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
9	Moorhouse B Corp Certified	Exact match	London, United KingdomHQ recorded Sep 30, 2026	201-500	247 contacts →
	Exact match “We’re a dynamic consulting firm, focused on delivering change.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Sharp Brains	Exact match	Slough, United KingdomHQ recorded Sep 30, 2026	51-200	241 contacts →
	Exact match “At Sharp Brains, we are your premier IT Services & Solutions Provider based in the UK, dedicated to meeting your business's unique needs with tailor-made solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Actica Consulting	Exact match	Guildford, United KingdomHQ recorded Sep 30, 2026	201-500	224 contacts →
	Exact match “Actica Consulting is a business and technology consultancy specialising in the delivery of complex transformation.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Waterstons	Exact match	Durham, United KingdomHQ recorded Sep 30, 2026	201-500	215 contacts →
	Exact match “We are an IT business with a difference.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	ROCK	Exact match	Pencoed, United KingdomHQ recorded Sep 30, 2026	51-200	211 contacts →
	Exact match “Technology services for the future.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Cisilion	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	194 contacts →
	Exact match “Combining market-leading tech with world-class service, we go above and beyond expectations to ensure our clients are ready for a digital future.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Triad Group PLC	Exact match	Godalming, United KingdomHQ recorded Sep 30, 2026	51-200	189 contacts →
	Exact match “Triad defines, designs and delivers digital solutions, working alongside customers to understand their businesses and technology challenges.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Azurian	Exact match	London, United KingdomHQ recorded Sep 30, 2026	201-500	178 contacts →
	Exact match “The future has never moved this fast.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	BIP UK	Exact match	London, United KingdomHQ recorded Sep 30, 2026	5,001-10,000	167 contacts →
	Exact match “BIP is the international consultancy for the 21st century with over 6,500 consultants globally daring to make a difference.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Interex Group	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	160 contacts →
	Exact match “InterEx Group is becoming the strategic partner of choice for organizations undergoing digital, business, and technology transformation.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Hightekers	Exact match	London, United KingdomHQ recorded Sep 30, 2026	1,001-5,000	143 contacts →
	Exact match “Hightekers helps independent professionals globally to combine the freedom and earning potential of freelancing with the security and benefits of full-time employment.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Sysdoc	Exact match	London (uk), United KingdomHQ recorded Sep 30, 2026	51-200	142 contacts →
	Exact match “At Sysdoc we exist to help our clients to transform, adapt and operate in order for them to achieve their ambitions, and to provide our own people with opportunities that allow…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	ORG	Exact match	London, United KingdomHQ recorded Sep 30, 2026	1,001-5,000	139 contacts →
	Exact match “We believe that change is an opportunity to thrive.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Cogniz Consultancy Limited	Exact match	Middlesex, United KingdomHQ recorded Sep 30, 2026	11-50	125 contacts →
	Exact match “COGNIZ is an emerging IT solutions company delivering technical services, solutions and support for organisations ranging across a variety of sectors.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Opticoreit	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	120 contacts →
	Exact match “OpticoreIT is an IT Consultancy founded in 2013 to bridge a gap in the market between the major IT services providers and the consultancy market.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Glue Reply	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	118 contacts →
	Exact match “WHO WE ARE Glue Reply is a business consultancy that strives to help its clients achieve their future potential by developing solutions that often for the first time align IT…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Oaklin	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	115 contacts →
	Exact match “Oaklin is an independent management consultancy.” Recorded in the RevenueBase company graph · Sep 30, 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 “freelancer IT 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 25 of 2,392 freelancer IT consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 15,974 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 30, 2026

44.9%Verified-email coverage

5.8%Mobile-number coverage

14.9Average contacts per company

1-10Median size (employees)

36.3%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

1,689

11-50

453

51-200

161

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 32.0d

4,5980–30

10,85131–60

48261–90

1090–180

33180+

Company record updated

Median 82.0d

00–30

4,30531–60

14,84861–90

14,02690–180

2,423180+

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 “freelancer IT 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 15,974 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 30, 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.

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

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

RevenueBase identified 2,392 company matches for freelancer IT 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 freelancer IT consulting firms?

London leads with 868 company records, followed by Manchester (47) and Bristol (32).

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 15,974 professional contacts with verified work emails tracked across these 2,392 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 30, 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.