Company lists · Data verified August 2026

Top 25 Artificial intelligence consulting firms based in London, United Kingdom

Name: Artificial intelligence consulting firms 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 1,452 companies tracked

There are 1,452 artificial intelligence consulting firms headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 19,157 professional contacts across them, including 6,026 with verified work emails and 1,464 with mobile numbers. London is the largest hub.

This list covers artificial intelligence consulting firms 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.

1,452Companies

19,157Contacts tracked

6,026Verified emails

1,464Mobile numbers

Unlock all 1,452 companies Free account · no credit card · 2 minutes

The 25 largest artificial intelligence consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 1,452 artificial intelligence consulting firms 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	Finsurge	London	201-500	302	5
9	Digital Futures	London	51-200	290	124
10	Seargin	London	501-1,000	275	188
11	Riseup Labs	London	1,001-5,000	274	37
12	Innova-Tsn	London	201-500	271	40
13	Q Agency	London	201-500	263	166
14	Krish Technolabs	London	201-500	258	123
15	Thorogood	London	201-500	228	36
16	Quantco	London	201-500	226	180
17	Peregrine	London	1,001-5,000	202	106
18	Bluewolf, An IBM Company	London	10001+	196	27
19	Worktual AI	London	201-500	154	2
20	Ai4process	London	51-200	130	60
21	C Ahead Digital	London	1,001-5,000	122	40
22	Prospect 33	London	51-200	119	15
23	Experthiring	London	51-200	105	22
24	Elsewhen	London	51-200	96	33
25	Optima Partners	London	51-200	90	52

Showing 25 of 1,452 artificial intelligence consulting firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 6,026 reachable decision-makers.

Free account · no credit card

See all 1,452 companies

Artificial intelligence consulting firms based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 1494 HQs

1,464Contacts with mobile numbers

30Emails re-verified in last 30 days

Companies by employee count

1-10

1,006

11-50

324

51-200

201-500

501-1,000

1,001-5,000

10001+

Artificial intelligence consulting firms by metro in the United Kingdom

Metro	Companies
Artificial intelligence consulting firms in London	1494
Artificial intelligence consulting firms in Manchester	79
Artificial intelligence consulting firms in Glasgow	38
Artificial intelligence consulting firms in Birmingham	36
Artificial intelligence consulting firms in Edinburgh	34
Artificial intelligence consulting firms in Bristol	31
Artificial intelligence consulting firms in Leeds	27

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 “artificial intelligence consulting firms”, 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; 30 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 artificial intelligence consulting firms are there based in London, United Kingdom?

There are 1,452 artificial intelligence consulting firms 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 artificial intelligence consulting firms?

London leads with 1494 headquartered companies, followed by Manchester (79) and Glasgow (38).

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 6,026 verified decision-maker contacts tracked across these 1,452 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.

Ready to reach these companies? Verified emails and direct dials for all 1,452 artificial intelligence consulting firms based in London, United Kingdom. Start with a free account, no credit card.

Get the full list

Related lists

Artificial intelligence consulting firms by geography

Browse the directory

Browse: Companies home · Artificial intelligence consulting firms in United Kingdom · All United Kingdom lists · All Artificial intelligence consulting firms lists · New lists

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.