Company lists · Data refreshed September 2026

Top 25 Lead software companies based in the United Kingdom

Name: Lead software companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 1,618 companies tracked

RevenueBase identified 1,618 lead software companies headquartered in the United Kingdom as of September 2026 and tracks 27,852 professional contacts across them, including 10,482 with verified work emails. London is the largest hub.

This list covers lead software companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review

1,618Companies

27,852Contacts tracked

10,482Verified emails

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The 25 largest lead software companies based in the United Kingdom

Ranked by team size

Top 25 of 1,618 lead software companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to lead software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Endava	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	10001+	9,653 contacts →
	Indirect evidence “For over two decades, we have been harnessing technology to drive meaningful change.” Source: RevenueBase Database · checked Sep 21, 2026
2	Oneadvanced	Partial evidence	Birmingham, United KingdomHQ checked Sep 21, 2026	1,001-5,000	2,242 contacts →
	Partial evidence “Founded in 2008 OneAdvanced has grown into one of the UK’s largest providers of business software and services serving global customers with an annual turnover of £330M+.” Source: RevenueBase Database · checked Sep 21, 2026
3	K2 Partnering Solutions	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	1,001-5,000	1,417 contacts →
	Indirect evidence “K2 Partnering Solutions is a global provider of unique end-to-end consultative solutions in the enterprise applications, AI, and cloud space.” Source: RevenueBase Database · checked Sep 21, 2026
4	SENLA	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	501-1,000	515 contacts →
	Partial evidence “In 2012, SENLA set out with a vision: to transform people's lives with exceptional software.” Source: RevenueBase Database · checked Sep 21, 2026
5	Qualifa	Partial evidence	Brighton, United KingdomHQ checked Sep 21, 2026	51-200	440 contacts →
	Partial evidence “We are an award winning multilingual lead generation and market research service provider for B2B publishing, marketing, events and tech companies.” Source: RevenueBase Database · checked Sep 21, 2026
6	Damco Solutions Limited	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	1,001-5,000	327 contacts →
	Partial evidence “Damco Solutions Limited is a specialist software solutions and services & a business process outsourcing services company.” Source: RevenueBase Database · checked Sep 21, 2026
7	The Adaptavist Group	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	1,001-5,000	254 contacts →
	Partial evidence “We are experts at delivering innovative software, tailored solutions, and quality services across some of the world's most trusted technology ecosystems, including Atlassian, AWS…” Source: RevenueBase Database · checked Sep 21, 2026
8	Parser	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	242 contacts →
	Indirect evidence “At Parser we help organisations deliver impact through technology.” Source: RevenueBase Database · checked Sep 21, 2026
9	Sharp Brains	Indirect evidence	Slough, United KingdomHQ checked Sep 21, 2026	51-200	241 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 21, 2026
10	Softbrands	Indirect evidence	Farnborough, United KingdomHQ checked Sep 21, 2026	501-1,000	177 contacts →
	Indirect evidence “In 2009 SoftBrands was bought by Infor and is now a part of the Infor Hospitality Suite.” Source: RevenueBase Database · checked Sep 21, 2026
11	Digis, A Fiverr Company Nyse Fvrr	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	163 contacts →
	Partial evidence “Digis is a leading software development company with a team of over.” Source: RevenueBase Database · checked Sep 21, 2026
12	Intagleo Systems	Indirect evidence	Slough, United KingdomHQ checked Sep 21, 2026	51-200	138 contacts →
	Indirect evidence “For over 22 years, Intagleo has been a trusted partner for businesses worldwide and US Primes, empowering them to achieve their digital transformation goals through innovative…” Source: RevenueBase Database · checked Sep 21, 2026
13	Praesto Consulting	Indirect evidence	Staines-upon-thames, United KingdomHQ checked Sep 21, 2026	201-500	125 contacts →
	Indirect evidence “Technology consultancy providing expertise to complex IT programs.” Source: RevenueBase Database · checked Sep 21, 2026
14	OCS Consulting	Indirect evidence	Borehamwood, United KingdomHQ checked Sep 21, 2026	51-200	118 contacts →
	Indirect evidence “OCS Consulting plc, established in 1984 and now an employee-owned organisation, is a leading IT Consultancy with offices in the UK, The Netherlands, Switzerland, and Belgium.” Source: RevenueBase Database · checked Sep 21, 2026
15	Axiom Software Solutions Limited	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	114 contacts →
	Indirect evidence “Axiom is a global information technology, consulting and outsourcing company and services provider.” Source: RevenueBase Database · checked Sep 21, 2026
16	Quorum	Indirect evidence	Edinburgh, United KingdomHQ checked Sep 21, 2026	51-200	110 contacts →
	Indirect evidence “We are an IT Consultancy and Managed Services company in Edinburgh with offices in London, Founded by Charles Scott, and Andrew Watson in We have successful Enterprise Consulting…” Source: RevenueBase Database · checked Sep 21, 2026
17	Adroit People Limited UK	Indirect evidence	Uxbridge, United KingdomHQ checked Sep 21, 2026	51-200	94 contacts →
	Indirect evidence “Adroit People Ltd is a top-notch technology firm focused to deliver Staffing Services, IT Consulting, Implementation and Support Services in UK, Europe, USA, Asia-Pacific and…” Source: RevenueBase Database · checked Sep 21, 2026
18	PDMS	Partial evidence	Braddan, United KingdomHQ checked Sep 21, 2026	51-200	92 contacts →
	Partial evidence “PDMS is a technology company providing software development and digital transformation services.” Source: RevenueBase Database · checked Sep 21, 2026
19	Geecon Systems	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	92 contacts →
	Partial evidence “Headquartered in London, United Kingdom, Geecon combines a passion for Client Satisfaction, Technology Innovation, Business and Management Consultancy, Software Solution and IT…” Source: RevenueBase Database · checked Sep 21, 2026
20	Corfinancial	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	88 contacts →
	Partial evidence “Corfinancial provides software and advice to the financial services sector around the world.” Source: RevenueBase Database · checked Sep 21, 2026
21	Millgate	Indirect evidence	Sheffield, United KingdomHQ checked Sep 21, 2026	51-200	85 contacts →
	Indirect evidence “At Millgate, our guiding principle is deceptively simple: we deliver tech products, services and solutions that actually work for you.” Source: RevenueBase Database · checked Sep 21, 2026
22	BIT Wave Solutions Limited	Indirect evidence	Reading, United KingdomHQ checked Sep 21, 2026	11-50	75 contacts →
	Indirect evidence “Headquartered at Reading, Berkshire in United Kingdom, Bit Wave Solutions enables global businesses to build their future by directing clients’ innovation & customization agenda.” Source: RevenueBase Database · checked Sep 21, 2026
23	Softhouse Group	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	73 contacts →
	Partial evidence “SoftHouse & SoftHouse Advisory is a leading provider of innovative software solutions, empowering businesses to thrive in the digital era.” Source: RevenueBase Database · checked Sep 21, 2026
24	Patika Global Technology	Indirect evidence	Regents Park, United KingdomHQ checked Sep 21, 2026	51-200	72 contacts →
	Indirect evidence “Patika is a technology solutions and consultancy company that is passionate about helping enterprise customers to discover and apply the true value of technology to their business…” Source: RevenueBase Database · checked Sep 21, 2026
25	Smart IT	Indirect evidence	Kirkham, United KingdomHQ checked Sep 21, 2026	51-200	66 contacts →
	Indirect evidence “We are the UK's largest and most successful Odoo Gold partner.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: lead software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names lead software companies.
Partial evidence: Its own public description names part of lead software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name lead software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,618 lead software companies based in the United Kingdom

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Lead software companies based in the United Kingdom at a glance

As of Sep 21, 2026

37.6%Verified-email coverage

17.2Average contacts per company

1-10Median size (employees)

34.1%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

1,034

11-50

379

51-200

126

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,618 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among lead software companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “lead software companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names lead software companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among lead software companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 10,482 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Lead software companies by metro

Lead software companies in London551
Lead software companies in Manchester48

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names lead software companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many lead software companies are there based in the United Kingdom?

RevenueBase identified 1,618 lead software companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Endava, headquartered in London, tops this list with the largest team on record.

Which city has the most lead software companies?

London leads with 551 headquartered companies, followed by Manchester (48) and Birmingham (24).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 10,482 verified decision-maker contacts tracked across these 1,618 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.