Company lists · Data verified August 2026

Top 25 AI and machine learning consultants based in London, United Kingdom

Name: AI and machine learning consultants 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 1,228 companies tracked

There are 1,228 AI and machine learning consultants headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 16,425 professional contacts across them, including 5,380 with verified work emails and 1,334 with mobile numbers. London is the largest hub.

This list covers AI and machine learning consultants 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.

1,228Companies

16,425Contacts tracked

5,380Verified emails

1,334Mobile numbers

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The 25 largest AI and machine learning consultants based in London, United Kingdom

Ranked by team size

Top 25 of 1,228 AI and machine learning consultants 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	The Hackett Group INC	London	501-1,000	1,499	694
2	Quantium	London	1,001-5,000	1,274	687
3	Hyperlink Infosystem	London	1,001-5,000	1,240	131
4	Kubrick Group	London	501-1,000	1,003	679
5	Faculty	London	201-500	565	269
6	Newrocket	London	501-1,000	494	261
7	Venturedive	London	201-500	399	117
8	Solirius Reply	London	51-200	305	195
9	Digital Futures	London	51-200	290	124
10	Seargin	London	501-1,000	275	188
11	Innova-Tsn	London	201-500	271	40
12	Q Agency	London	201-500	263	166
13	Thorogood	London	201-500	228	36
14	Quantco	London	201-500	226	180
15	Keepler Data Tech	London	201-500	224	24
16	Peregrine	London	1,001-5,000	202	106
17	Worktual AI	London	201-500	154	2
18	Cloudsmiths	London	51-200	150	8
19	Elsewhen	London	51-200	96	33
20	Optima Partners	London	51-200	90	52
21	Predictx	London	51-200	83	47
22	Samyotech	London	51-200	80	4
23	Singulier	London	51-200	79	50
24	Tecknoworks	London	51-200	79	42
25	Network Science	London	51-200	70	39

Showing 25 of 1,228 AI and machine learning consultants based in London, United Kingdom

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AI and machine learning consultants based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 1228 HQs

1,334Contacts with mobile numbers

36Emails re-verified in last 30 days

Companies by employee count

1-10

863

11-50

266

51-200

201-500

501-1,000

1,001-5,000

10001+

AI and machine learning consultants by metro in the United Kingdom

Metro	Companies
AI and machine learning consultants in London	1228
AI and machine learning consultants in Manchester	70
AI and machine learning consultants in Edinburgh	33
AI and machine learning consultants in Birmingham	33
AI and machine learning consultants in Glasgow	29
AI and machine learning consultants in Bristol	26
AI and machine learning consultants in Leeds	23

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 and machine learning consultants”, 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; 36 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 and machine learning consultants are there based in London, United Kingdom?

There are 1,228 AI and machine learning consultants headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

The Hackett Group INC, headquartered in London, tops this list with the largest team on record.

Which city has the most AI and machine learning consultants?

London leads with 1228 headquartered companies, followed by Manchester (70) and Edinburgh (33).

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 5,380 verified decision-maker contacts tracked across these 1,228 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.