Company lists · Data refreshed September 2026
Top 25 AI engineer staffing agencies based in the United Kingdom
RevenueBase identified 2,309 AI engineer staffing agencies headquartered in the United Kingdom as of September 2026 and tracks 26,637 professional contacts across them, including 6,890 with verified work emails. London is the largest hub.
This list covers AI engineer staffing agencies 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 27, 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.
The 25 largest AI engineer staffing agencies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,248 contacts → | ||||
Indirect evidence “We’re Harvey Nash, and we build amazing technology and digital teams.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,214 contacts → | ||||
Indirect evidence “For 75 years, the middle is where we've worked best.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 956 contacts → | ||||
Indirect evidence “Randstad is your partner for talent.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 627 contacts → | ||||
Indirect evidence “25 years of tech recruitment!” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 568 contacts → | ||||
Indirect evidence “For over 30 years, GCS has been at the forefront of digital transformation, building vast global communities of innovators and placing them in businesses shaping tomorrow's world.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 396 contacts → | ||||
Indirect evidence “La Fosse: Empowering people and businesses to thrive in a tech-driven world We are La Fosse.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 383 contacts → | ||||
Indirect evidence “Gravitas are serious about impacting the recruitment industry - positively.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 247 contacts → | ||||
Partial evidence “The Shorterm Group provides specialist recruitment services and technical support for the engineering industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 246 contacts → | ||||
Indirect evidence “Recruiters that thrive on connecting great talent with great organisations.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 244 contacts → | ||||
Indirect evidence “Tangent International Integrated Talent and Delivery across Technology and Communications.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 239 contacts → | ||||
Strong 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 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 211 contacts → | ||||
Indirect evidence “In the search for highly skilled talent, IC Resources has supported the technology community since We match great talent to deep-tech companies around the world.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 207 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 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 203 contacts → | ||||
Indirect evidence “Our Heritage Founded by Lady Virginia Tate in 1985, Tate Recruitment emerged with a firm vision: to be the best everywhere, all the time.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 202 contacts → | ||||
Strong evidence “Index.dev is an AI-first engineering talent platform that connects companies with the top 1% of senior engineers from LATAM and CEE to build software and AI products.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 196 contacts → | ||||
Indirect evidence “Totaljobs is part of StepStone, one of the world’s leading next-generation recruitment solution providers.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 188 contacts → | ||||
Partial evidence “TechTree is an AI-powered recruitment platform that combines a proprietary talent data platform, predictive AI, and a network of human recruiters to deliver the right candidates…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 175 contacts → | ||||
Indirect evidence “Precision Resource Group (PRG) is a Global Leader in Recruitment and Talent Solutions.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 174 contacts → | ||||
Indirect evidence “For over 60 years, MPI has been connecting skilled people with industry, delivering recruitment, workforce solutions and project support to some of the UK's most demanding sectors.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 173 contacts → | ||||
Indirect evidence “Outsource UK is one of the country’s largest and most successful independent specialist recruitment agencies, established over 30 years ago.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 165 contacts → | ||||
Partial evidence “nology is a tech talent consultancy that builds, deploys, and scales technical capability for organisations undergoing digital, data, and AI transformation.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 156 contacts → | ||||
Indirect evidence “Lawrence Harvey, established in 2002, is an international talent solutions business specialising in Technology recruitment.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 155 contacts → | ||||
Partial evidence “Connecting the world's leading engineering and technical talent with organisations driving innovation in automation, manufacturing, and advanced technology.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 145 contacts → | ||||
Indirect evidence “Global Technology Recruitment Specialists.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 143 contacts → | ||||
Indirect evidence “The Explore Group has been helping companies recruit top talent in the ever-evolving world of technology since 2005.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: AI engineer staffing agencies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names AI engineer staffing agencies.
- Partial evidence
- Its own public description names part of AI engineer staffing agencies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name AI engineer staffing agencies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 2,309 AI engineer staffing agencies based in the United Kingdom
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AI engineer staffing agencies based in the United Kingdom at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 2,309 companies.
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 engineer staffing agencies, 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 engineer staffing agencies”. 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 engineer staffing agencies), 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 engineer staffing agencies, 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, 6,890 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 27, 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.
AI engineer staffing agencies by metro
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 engineer staffing agencies, 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 engineer staffing agencies are there based in the United Kingdom?
RevenueBase identified 2,309 AI engineer staffing agencies 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?
Harvey Nash, headquartered in London, tops this list with the largest team on record.
Which city has the most AI engineer staffing agencies?
London leads with 1036 headquartered companies, followed by Manchester (108) and Bristol (53).
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 6,890 verified decision-maker contacts tracked across these 2,309 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 27, 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.
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