Company lists · Data refreshed November 2026

Top 22 Machine learning engineers staffing companies based in the United Kingdom

RevenueBase identified 451 company matches for machine learning engineers staffing companies associated with the United Kingdom as of November 2026 and tracks 3,043 professional contacts across them, including 760 with verified work emails. London is the largest hub.

This list covers company matches for machine learning engineers staffing companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
451Companies
3,043Contacts tracked
760Verified emails
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The 22 largest machine learning engineers staffing companies based in the United Kingdom

Ranked by team size
Top 22 of 451 company matches for machine learning engineers staffing companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSwindon, United KingdomHQ recorded Nov 5, 202651-200186 contacts →

Exact match

“Outsource UK is one of the country’s largest and most successful independent specialist recruitment agencies, established over 30 years ago.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200164 contacts →

Exact match

“Global Technology Recruitment Specialists.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200127 contacts →

Exact match

“At Annapurna, we are focused on becoming a trusted responsible search partner for our clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-500123 contacts →

Exact match

“Skilliantech Ltd, trading as “SkillRecruit”, is a specialist IT and Engineering recruitment agency delivering comprehensive coverage of recruitment services across all industries…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20081 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchRedhill, United KingdomHQ recorded Nov 5, 202611-5069 contacts →

Exact match

“CBSbutler is a multi-award winning recruitment firm specialising in technical appointments across global industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchManchester, United KingdomHQ recorded Nov 5, 2026n/a68 contacts →

Exact match

“Helping innovative start-ups and fast-growing Tech companies rapidly scale their AI and Machine Learning teams.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchPeterborough, United KingdomHQ recorded Nov 5, 202651-20055 contacts →

Exact match

“Meet RecruitingHub: the hybrid AI + human (VMS) recruiting platform that sources from 100M+ profiles, interviews in 120+ languages and fills roles 60% faster.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBirmingham, United KingdomHQ recorded Nov 5, 202611-5050 contacts →

Exact match

“At erg Group we have a simple mission: to provide market-leading talent solutions to the technology industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBury, United KingdomHQ recorded Nov 5, 202611-5042 contacts →

Exact match

“For over two decades, Employment Solutions has been matching qualified and forward-thinking candidates with some of the biggest engineering, manufacturing, and technology…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchCaerphilly, United KingdomHQ recorded Nov 5, 202611-5040 contacts →

Exact match

“We empower businesses by solving one of their biggest challenges: finding the right people.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchLancashire, United KingdomHQ recorded Nov 5, 2026n/a38 contacts →

Exact match

“We help your business attract, recruit and retain the best engineering talent.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“We partner with Tier 1 VC-backed frontier technology companies to build exceptional technical teams.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 5, 202611-5030 contacts →

Exact match

“At Campbell North we partner with leading companies and top talent to secure the right match for both parties.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchShoreditch, United KingdomHQ recorded Nov 5, 202611-5025 contacts →

Exact match

“Sartre Group is an executive search firm providing strategic recruitment solutions to companies across the United States, Europe and Asia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchManchester, United KingdomHQ recorded Nov 5, 202611-5025 contacts →

Exact match

“In a world of complex requirements, Recann takes away the pain of recruiting in-demand talent or finding that next great career move.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Nov 5, 202651-20023 contacts →

Exact match

“Haystack combines AI & expert vetting to deliver world-class tech candidates who are engaged, aligned, and ready to interview.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchManchester, United KingdomHQ recorded Nov 5, 202611-5023 contacts →

Exact match

“We help companies build teams with people you won’t find on the market.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchBristol/manchester, United KingdomHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“Are you ready to take your tech career to new heights or find the perfect tech talent for your company?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSwindon, United KingdomHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“Fynity is a talent solutions partner with a mission to inspire futures without limits.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSutton Coldfield, United KingdomHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Founded in 1994, Probe has grown into a highly professional and diverse resourcing organisation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchCoventry, United KingdomHQ recorded Nov 5, 20261-1017 contacts →

Exact match

“We understand that finding the right person for your short term, long term or permanent job position can be an uphill struggle.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 22 of 451 machine learning engineers staffing companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 760 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Machine learning engineers staffing companies based in the United Kingdom at a glance

As of Nov 5, 2026
25.0%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
47.9%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
323
11-50
103
51-200
19
201-500
1
501-1,000
3

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 451 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “machine learning engineers staffing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 760 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Machine learning engineers staffing companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “machine learning engineers staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many machine learning engineers staffing companies are there based in the United Kingdom?

RevenueBase identified 451 company matches for machine learning engineers staffing companies associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Outsource UK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most machine learning engineers staffing companies?

London leads with 216 company records, followed by Manchester (21) and Bristol (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 760 professional contacts with verified work emails tracked across these 451 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 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 SmartSearch, 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.