Company lists · Data verified August 2026

Top 25 AI chatbot platforms based in London, United Kingdom

Name: AI chatbot platforms 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 317 companies tracked

There are 317 AI chatbot platforms headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 12,516 professional contacts across them, including 2,100 with verified work emails and 1,209 with mobile numbers. London is the largest hub.

This list covers AI chatbot platforms 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.

317Companies

12,516Contacts tracked

2,100Verified emails

1,209Mobile numbers

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The 25 largest AI chatbot platforms based in London, United Kingdom

Ranked by team size

Top 25 of 317 AI chatbot platforms 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	24 7.ai	London	10001+	8,414	547
2	Iterable	London	501-1,000	766	489
3	Retool	London	201-500	429	196
4	Lumapps	London	501-1,000	409	207
5	Polyai	London	201-500	325	82
6	Decagon	London	201-500	290	171
7	ATTIO	London	51-200	141	92
8	Kanhasoft	London	51-200	130	15
9	Gravitas AI	London	11-50	51	28
10	Gradient Labs	London	11-50	40	27
11	IOVOX	London	11-50	34	26
12	Veyn AI	London	11-50	32	6
13	Quickblox	London	11-50	31	14
14	Nanosemantics LAB	London	51-200	29	7
15	Contactengine	London	51-200	22	13
16	Feedyou	London	11-50	15	10
17	elay.io	London	11-50	14	2
18	Tovie AI	London	11-50	12	7
19	nextus.ai	London	11-50	11	6
20	zappr.ai	London	11-50	10	2
21	Logicdialog	London	11-50	9	1
22	Sodaclick	London	11-50	8	7
23	Askflow AI	London	11-50	8	2
24	Pri0r1ty Intelligence Group PLC	London	11-50	7	5
25	Superlayer	London	11-50	5	3

Showing 25 of 317 AI chatbot platforms based in London, United Kingdom

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AI chatbot platforms based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 317 HQs

1,209Contacts with mobile numbers

11Emails re-verified in last 30 days

Companies by employee count

1-10

206

11-50

51-200

201-500

501-1,000

10001+

AI chatbot platforms by metro in the United Kingdom

Metro	Companies
AI chatbot platforms in London	317
AI chatbot platforms in Manchester	20
AI chatbot platforms in Birmingham	10
AI chatbot platforms in Glasgow	8
AI chatbot platforms in Leeds	8
AI chatbot platforms in Milton Keynes	6
AI chatbot platforms in Edinburgh	6

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 chatbot platforms”, 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; 11 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 chatbot platforms are there based in London, United Kingdom?

There are 317 AI chatbot platforms headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

24 7.ai, headquartered in London, tops this list with the largest team on record.

Which city has the most AI chatbot platforms?

London leads with 317 headquartered companies, followed by Manchester (20) and Birmingham (10).

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 2,100 verified decision-maker contacts tracked across these 317 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.