Company lists · Data verified August 2026

Top 24 B2B software companies based in London, United Kingdom

Name: B2B software companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 82 companies tracked

There are 82 B2B software companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,042 professional contacts across them, including 304 with verified work emails and 73 with mobile numbers. London is the largest hub.

This list covers B2B software companies headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

82Companies

1,042Contacts tracked

304Verified emails

73Mobile numbers

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The 24 largest B2B software companies based in London, United Kingdom

Ranked by team size

Top 24 of 82 B2B software companies based in London, United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Threecolts	London	201-500	330	209
2	kpi.com	London	51-200	85	2
3	CODIS	London	11-50	34	7
4	EYONA	London	51-200	30	19
5	Stratos Technologies	London	11-50	25	17
6	4rdigital	London	1-10	23	12
7	Skyla Software Solution PVT LTD	London	11-50	15	5
8	Demand Studio	London	51-200	7	5
9	Blissgrowth	London	1-10	7	5
10	Codescrum	London	11-50	7	4
11	Omnibytes LTD	London	11-50	6	2
12	Aiva Sistema	London	11-50	6	1
13	Bite Tech LTD	London	1-10	5	1
14	Axiom Equity	London	1-10	4	3
15	ONEDB	London	11-50	4	2
16	Ouiteo Technologies	London	1-10	4	1
17	Closing Clients Group	London	1-10	3	1
18	Skynet Applied Systems LTD	London	1-10	3	1
19	Managewise LTD	London	1-10	3	1
20	Truligent	London	1-10	2	2
21	Installerpro	London	1-10	2	1
22	Torteli & CO	London	1-10	2	1
23	Accolade Europe Limited	London	11-50	1	1
24	Clear Software Solutions	London	11-50	1	1

Showing 24 of 82 B2B software companies based in London, United Kingdom

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B2B software companies based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 82 HQs

73Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

B2B software companies by metro in the United Kingdom

Metro	Companies
B2B software companies in London	82
B2B software companies in Birmingham	7
B2B software companies in Cambridge	6
B2B software companies in Manchester	5
B2B software companies in Bristol	5
B2B software companies in Edinburgh	5
B2B software companies in Leeds	4

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “B2B software companies”, with match quality audited by blind human judging, and headquartered in London, United Kingdom.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many B2B software companies are there based in London, United Kingdom?

There are 82 B2B software companies headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most B2B software companies?

London leads with 82 headquartered companies, followed by Birmingham (7) and Cambridge (6).

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 304 verified decision-maker contacts tracked across these 82 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.