Company lists · Data verified August 2026

Top 25 AI software development companies based in London, United Kingdom

Name: AI software development 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 1,244 companies tracked

There are 1,244 AI software development companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 19,407 professional contacts across them, including 4,548 with verified work emails and 597 with mobile numbers. London is the largest hub.

This list covers AI software development 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.

1,244Companies

19,407Contacts tracked

4,548Verified emails

597Mobile numbers

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The 25 largest AI software development companies based in London, United Kingdom

Ranked by team size

Top 25 of 1,244 AI software development 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	Andersen LAB	London	1,001-5,000	3,609	1,152
2	Quantium	London	1,001-5,000	1,274	687
3	Hyperlink Infosystem	London	1,001-5,000	1,240	131
4	Webskitters Technology Solutions Private Limited	London	501-1,000	801	174
5	Venturedive	London	201-500	399	117
6	Solirius Reply	London	51-200	305	195
7	Riseup Labs	London	1,001-5,000	274	37
8	Innova-Tsn	London	201-500	271	40
9	Q Agency	London	201-500	263	166
10	Fiftyfive Technologies	London	201-500	247	29
11	Keepler Data Tech	London	201-500	224	24
12	Magora	London	51-200	215	3
13	Siliconmint	London	51-200	176	44
14	Worktual AI	London	201-500	154	2
15	Kanhasoft	London	51-200	130	15
16	Imriel Technology Solutions Private LTD	London	201-500	108	68
17	Decode	London	51-200	97	63
18	Optima Partners	London	51-200	90	52
19	Predictx	London	51-200	83	47
20	Samyotech	London	51-200	80	4
21	Tecknoworks	London	51-200	79	42
22	Turn UP Technologies	London	51-200	71	1
23	COGNA	London	51-200	70	46
24	Aecor Digital	London	51-200	64	34
25	3i-Vision	London	51-200	59	22

Showing 25 of 1,244 AI software development companies based in London, United Kingdom

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AI software development companies based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 1244 HQs

597Contacts with mobile numbers

49Emails re-verified in last 30 days

Companies by employee count

1-10

762

11-50

359

51-200

201-500

501-1,000

1,001-5,000

10001+

AI software development companies by metro in the United Kingdom

Metro	Companies
AI software development companies in London	1244
AI software development companies in Manchester	78
AI software development companies in Birmingham	47
AI software development companies in Glasgow	34
AI software development companies in Bristol	31
AI software development companies in Edinburgh	25
AI software development companies in Reading	19

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 “AI software development 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; 49 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 AI software development companies are there based in London, United Kingdom?

There are 1,244 AI software development companies headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most AI software development companies?

London leads with 1244 headquartered companies, followed by Manchester (78) and Birmingham (47).

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 4,548 verified decision-maker contacts tracked across these 1,244 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.