Company lists · Data refreshed September 2026
Top 25 AI research recruiting firms based in London, United Kingdom
RevenueBase identified 914 AI research recruiting firms headquartered in London, United Kingdom as of September 2026 and tracks 12,100 professional contacts across them, including 3,240 with verified work emails. London is the largest hub.
This list covers AI research recruiting 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. 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 research recruiting firms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,927 contacts → | ||||
Indirect evidence “Avance Consulting is a global organization focused on delivering innovative talent solution services to some of the most renowned companies in the world, across industries that…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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. | |||||
| 3 | 369 contacts → | ||||
Indirect evidence “Vivid Resourcing, a leading international talent solutions partner, connects you with in-demand technical professionals you need to flourish in the Tech, Engineering, Life…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 333 contacts → | ||||
Indirect evidence “Search jobs or partner with us by visiting We are Aspire.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 155 contacts → | ||||
Indirect 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. | |||||
| 10 | 145 contacts → | ||||
Indirect evidence “Global Technology Recruitment Specialists.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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. | |||||
| 12 | 128 contacts → | ||||
Indirect evidence “HFG is a leading international recruitment consulting firm that provides specialist professionals to leading General Insurance, Life, Reinsurance, Pensions and Management…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 121 contacts → | ||||
Partial evidence “Anson McCade is a specialist recruitment agency focusing on four primary sectors: Quant Research, Trading & Risk; Digital & Data Analytics; IT & Cyber Security; Business Change &…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 115 contacts → | ||||
Partial evidence “hackajob has the AI hiring tools trusted by enterprises, scale-ups, and 1M+ tech professionals worldwide.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 114 contacts → | ||||
Indirect evidence “Different skillset.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 108 contacts → | ||||
Indirect evidence “With over 25 years in the technology recruitment sector, Square One is an award-winning specialist recruitment agency.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 100 contacts → | ||||
Indirect evidence “Arrows - Precision Talent for Emerging Technologies.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 94 contacts → | ||||
Indirect evidence “At FRG Technology Consulting, we help job seekers all over the world to find the best IT and emerging technology roles across a range of industries, including Banking and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 92 contacts → | ||||
Indirect evidence “HC Group is a leading retained search and talent intelligence firm dedicated to global energy and commodities markets.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 91 contacts → | ||||
Indirect evidence “Forsyth Barnes is a global talent partner disrupting the recruitment industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 91 contacts → | ||||
Indirect evidence “Acolyte’s mission is simple: To offer employers the insight and recruitment solutions they need for direct, scalable and cost-effective access to the high-quality talent required…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 91 contacts → | ||||
Indirect evidence “We are an executive recruitment firm based in the City of London and are specialists in the search and selection of professionals in Technology, Digital & RPA, BPO, Shared…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 86 contacts → | ||||
Indirect evidence “Specialist technology recruitment.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 81 contacts → | ||||
Indirect evidence “At Strike IT, we are your strategic partner in digital and technology recruitment, committed to connecting forward-thinking businesses with the talent they need to fuel innovation.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 68 contacts → | ||||
Partial evidence “TwentyAI is a talent and staffing solutions firm that combines cutting-edge AI technology, deep data insights, and human expertise to connect top talent with outstanding…” 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 research recruiting firms. 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 research recruiting firms.
- Partial evidence
- Its own public description names part of AI research recruiting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name AI research recruiting firms. 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 914 AI research recruiting firms based in London, United Kingdom
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AI research recruiting firms based in London, United Kingdom at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 914 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 research recruiting 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 London, United Kingdom whose own description of what they do matches “AI research recruiting 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 research recruiting 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 research recruiting firms, and records with no verified work email. Companies headquartered outside London 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, 3,240 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 research recruiting firms by metro in the United Kingdom
- AI research recruiting firms in London914
- AI research recruiting firms in Manchester66
- AI research recruiting firms in Bristol36
- AI research recruiting firms in Birmingham27
- AI research recruiting firms in Leeds26
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 research recruiting 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 research recruiting firms are there based in London, United Kingdom?
RevenueBase identified 914 AI research recruiting firms headquartered in London, 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?
Avance Consulting, headquartered in London, tops this list with the largest team on record.
Which city has the most AI research recruiting firms?
London leads with 914 headquartered companies, followed by Manchester (66) and Bristol (36).
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 3,240 verified decision-maker contacts tracked across these 914 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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