Company lists · Data refreshed September 2026

Top 23 AI implementation consulting firms based in the United Kingdom

RevenueBase identified 2,514 AI implementation consulting firms headquartered in the United Kingdom as of September 2026 and tracks 54,312 professional contacts across them, including 19,292 with verified work emails and 3,583 with mobile numbers. London is the largest hub.

This list covers AI implementation consulting firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
2,514Companies
54,312Contacts tracked
19,292Verified emails
3,583Mobile numbers
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The 23 largest AI implementation consulting firms based in the United Kingdom

Ranked by team size
Top 23 of 2,514 AI implementation consulting firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to AI implementation consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceMaidenhead, United KingdomHQ checked Sep 28, 20265,001-10,0009,843 contacts →

Indirect evidence

“Welcome to RWS!”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceLondon, United KingdomHQ checked Sep 28, 20265,001-10,0005,203 contacts →

Partial evidence

“Photon, a global leader in AI and digital solutions, helps clients accelerate AI adoption and embrace DigitalHyper-expansion® to ‘make tomorrow happen today’.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceLondon, United KingdomHQ checked Sep 28, 20265,001-10,0003,720 contacts →

Partial evidence

“Accenture helps the world’s leading enterprises reinvent by building their digital core and unleashing the power of AI to create value at speed for organisations across industries.”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261,001-5,0003,270 contacts →

Partial evidence

“OLIVER is the world's #1 in-housing expert, designing, building, and running AI-powered marketing organizations inside the world's biggest brands.”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026501-1,0001,010 contacts →

Partial evidence

“We deliver powerful data and AI solutions that minimize operational cost, strengthen resilience against risk, and uncover revenue opportunity.”

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500564 contacts →

Partial evidence

“Founded in 2014, Faculty is one of Europe’s leading applied AI companies.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500447 contacts →

Partial evidence

“InstaDeep is a pioneer in decision-making AI, driven by the belief that AI can help everyone.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceLondon, United KingdomHQ checked Sep 28, 20265,001-10,000415 contacts →

Indirect evidence

“Ascent is now part of Acuity Analytics.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceReading, United KingdomHQ checked Sep 28, 2026201-500366 contacts →

Partial evidence

“FSP is a leading consultancy specialising in Data and AI, Cyber Security, Enterprise Cloud and Change Delivery, providing advisory led enterprise transformation delivered through…”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500314 contacts →

Indirect evidence

“Revolutionize your applications with Al and data, modernizing cloud solutions to enhance customer experience.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202651-200313 contacts →

Indirect evidence

“With over 30 years of experience servicing blue-chip clients, Momenta Group is renowned for our expertise and quality-driven approach.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202651-200305 contacts →

Indirect evidence

“We are digital transformation specialists, on a mission to make our society an easier and more equitable place for people to live, work and thrive.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-200295 contacts →

Partial evidence

“Digital Futures is an AI services and platform company that helps industry and government build enterprise AI capability at scale.”

Source: RevenueBase Database · checked Sep 28, 2026
14Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500284 contacts →

Partial evidence

“The leading cloud data + AI consultancy, driving business impact for the world's most ambitious businesses, through cutting-edge cloud technologies.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceWimbledon, United KingdomHQ checked Sep 28, 2026201-500239 contacts →

Partial evidence

“Harnham provides specialist Data and AI recruitment and staffing services, along with bespoke training solutions, across multiple industry verticals, operating in the UK, the USA…”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500216 contacts →

Indirect evidence

“Quantzig is at the forefront of partnering with businesses to help them unlock transformative value through analytics solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceLondon, United KingdomHQ checked Sep 28, 20261,001-5,000207 contacts →

Partial evidence

“Peregrine are experts at accelerating AI-driven, people-centric technology and change transformation programmes for the private and public sector.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500169 contacts →

Partial evidence

“Satalia turns business challenges into AI-powered solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceBristol, United KingdomHQ checked Sep 28, 202651-200157 contacts →

Partial evidence

“We help ambitious organisations turn complex, fragmented data into AI‑ready foundations that deliver real business impact.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceMilton Keynes, United KingdomHQ checked Sep 28, 202651-200154 contacts →

Indirect evidence

“Honourable Mention in the Gartner© Magic Quadrant™ for Insight Engines 2022.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceLondon, United KingdomHQ checked Sep 28, 202651-200130 contacts →

Indirect evidence

“ai4process was founded in 2019 on the principle that the most successful, cost-effective projects can be executed by small teams of deeply experience consultants in the same…”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500121 contacts →

Indirect evidence

“At Infosight, we architect the future of enterprises by engineering your digital core and activating the intelligence within.”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceEdinburgh, United KingdomHQ checked Sep 28, 202651-200118 contacts →

Partial evidence

“The data & AI consultancy delivering services across data foundations, services and products.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 23 of 2,514 AI implementation consulting firms based in the United Kingdom

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AI implementation consulting firms based in the United Kingdom at a glance

As of Sep 28, 2026
35.5%Verified-email coverage
6.6%Mobile-number coverage
21.6Average contacts per company
1-10Median size (employees)
56.3%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
1,778
11-50
515
51-200
149
201-500
37
501-1,000
11
1,001-5,000
11
5,001-10,000
6
10001+
3

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 30.0d

Company record updated

Median 80.0d

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among AI implementation consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “AI implementation consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names AI implementation consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among AI implementation consulting firms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 19,292 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names AI implementation consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many AI implementation consulting firms are there based in the United Kingdom?

RevenueBase identified 2,514 AI implementation consulting firms headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

RWS Group, headquartered in Maidenhead, tops this list with the largest team on record.

Which city has the most AI implementation consulting firms?

London leads with 1416 headquartered companies, followed by Manchester (68) and Birmingham (42).

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 19,292 verified decision-maker contacts tracked across these 2,514 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.