Company lists · Data refreshed October 2026

Top 25 IT consulting and development companies based in London, United Kingdom

Name: IT consulting and development companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 1,926 companies tracked

RevenueBase identified 1,926 company matches for IT consulting and development companies associated with London, United Kingdom as of October 2026 and tracks 31,145 professional contacts across them, including 10,240 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for IT consulting and development companies associated with London, 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 October 1, 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 Oct 1, 2026 How this list was built

1,926Companies

31,145Contacts tracked

10,240Verified emails

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The 25 largest IT consulting and development companies based in London, United Kingdom

Ranked by team size

Top 25 of 1,926 company matches for IT consulting and development companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
2	Computer Futures	Exact match	London, United KingdomHQ recorded Oct 1, 2026	501-1,000	2,673 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 · Oct 1, 2026 · View company records in RevenueBase
3	Nashtech	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	1,611 contacts →
	Exact match “We are experts in technology, delivering smart solutions that solve business challenges and create value.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	K2 Partnering Solutions	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	Zenzero	Exact match	London, United KingdomHQ recorded Oct 1, 2026	501-1,000	401 contacts →
	Exact match “We believe successful businesses are underpinned by quality IT infrastructure.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Damco Solutions Limited	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	327 contacts →
	Exact match “Damco Solutions Limited is a specialist software solutions and services & a business process outsourcing services company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Parser	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	242 contacts →
	Exact match “At Parser we help organisations deliver impact through technology.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Flat Rock Technology	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	231 contacts →
	Exact match “Since 2008, Flat Rock Technology, a software engineering, SI, Cloud DevOps, Cyber Security, and Customer Experience (CX) company, has been at the forefront of providing innovative…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Tmotions Global Limited	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	228 contacts →
	Exact match “TMotions is inspired by forward-thinking businesses, who are now looking past recovery and shifting into the growth mode.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Natilik	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	222 contacts →
	Exact match “Natilik is your technology solutions partner and confident guide to digital transformation, specialising in a range of solutions to help you achieve your goals and drive real…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Cisilion	Exact match	London, United KingdomHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
12	CVL	Exact match	London, United KingdomHQ recorded Oct 1, 2026	n/a	165 contacts →
	Exact match “Strategic development for already dynamic businesses, successful mergers & acquisitions between household names, technology planning in cutting edge industries and real-world…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Digis, A Fiverr Company Nyse Fvrr	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	163 contacts →
	Exact match “Digis is a leading software development company with a team of over.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	IBU	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	139 contacts →
	Exact match “We are the most trusted consulting & Information Technology service partner, who has been thriving hard to deliver customer-centric and proven global competence to our clients all…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Synycs Group	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	132 contacts →
	Exact match “Incorporated in 2014 and headquartered in the UK, Synycs Group is a CMMI Level 4 industry-leading & most reliable software and mobile app development company known for delivering…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Axiom Software Solutions Limited	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	114 contacts →
	Exact match “Axiom is a global information technology, consulting and outsourcing company and services provider.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Xynotech	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	96 contacts →
	Exact match “Xynotech is a provider of IT consulting and software development services that help companies overtake their competition.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Matsco Solutions	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	96 contacts →
	Exact match “Matsco Solutions is a global managed IT service provider built exclusively for the financial services industry.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Honeycomb Software	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	95 contacts →
	Exact match “Honeycomb Software is a global software engineering company that helps startups, scale-ups, and enterprises bring digital products to market faster and smarter.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Geecon Systems	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	92 contacts →
	Exact match “Headquartered in London, United Kingdom, Geecon combines a passion for Client Satisfaction, Technology Innovation, Business and Management Consultancy, Software Solution and IT…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Intuition IT Intuitive Technology Recruitment	Exact match	London, United KingdomHQ recorded Oct 1, 2026	11-50	84 contacts →
	Exact match “IT'S NOT RECRUITMENT.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Hybytes	Exact match	London, United KingdomHQ recorded Oct 1, 2026	201-500	79 contacts →
	Exact match “Hybytes is an offshore/domestic solution provider for IT and Management to business and industry.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Baseel Partners	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	78 contacts →
	Exact match “We offer a broad portfolio of IT and consulting services covering Governance and Strategy, Cloud, Data, Cybersecurity, Infrastructure and Applications, Managed IT and Security.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Clurgo	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	76 contacts →
	Exact match “Clurgo empowers global enterprises and early ventures to deliver software at higher velocity and better quality.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Mind Digital Group	Exact match	London, United KingdomHQ recorded Oct 1, 2026	51-200	76 contacts →
	Exact match “Mind Digital Group is an independent digital company that is focused on servicing global clients and partner agencies.” Recorded in the RevenueBase company graph · Oct 1, 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 consulting and development companies”. 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 1,926 IT consulting and development companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 10,240 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT consulting and development companies based in London, United Kingdom at a glance

As of Oct 1, 2026

32.9%Verified-email coverage

16.2Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

1,127

11-50

540

51-200

192

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 1,926 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 London, United Kingdom whose business descriptions match “IT consulting and development companies” 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 10,240 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 October 1, 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 consulting and development companies by metro in the United Kingdom

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 consulting and development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT consulting and development companies are there based in London, United Kingdom?

RevenueBase identified 1,926 company matches for IT consulting and development companies associated with London, United Kingdom as of October 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 in the United Kingdom has the most IT consulting and development companies?

London leads the United Kingdom with 1,926 company records, followed by Manchester (128) and Birmingham (96).

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 10,240 professional contacts with verified work emails tracked across these 1,926 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 October 1, 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.