Company lists · Data refreshed September 2026

Top 25 User research staffing agencies worldwide

Name: User research staffing agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 5,381 companies tracked

RevenueBase identified 5,381 user research staffing agencies worldwide as of September 2026 and tracks 78,694 professional contacts across them, including 11,107 with verified work emails. The United States is the largest market and London the largest hub.

This list covers user research staffing agencies worldwide, 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 29, 2026. Country and city lists for user research staffing agencies follow the table.

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 29, 2026 86% judged on-target in blind review

5,381Companies

78,694Contacts tracked

11,107Verified emails

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The 25 largest user research staffing agencies worldwide

Ranked by team size

Top 25 of 5,381 user research staffing agencies worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to user research staffing agencies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Blue Arrow	Partial evidence	London, United KingdomHQ checked Sep 29, 2026	n/a	2,341 contacts →
	Partial evidence “Blue Arrow is the UK’s Best-Known Staffing Agency, placing tens of thousands of candidates into temporary and permanent jobs for employers in the transport, logistics, call…” Source: RevenueBase Database · checked Sep 29, 2026
2	Synergie Italia	Indirect evidence	Torino, ItalyHQ checked Sep 29, 2026	501-1,000	1,748 contacts →
	Indirect evidence “L’Italia è piena di talenti: il nostro lavoro è riconoscerli!” Synergie Italia S.p.A.” Source: RevenueBase Database · checked Sep 29, 2026
3	TRS Staffing Solutions	Partial evidence	Greenville, United StatesHQ checked Sep 29, 2026	201-500	1,187 contacts →
	Partial evidence “TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Source: RevenueBase Database · checked Sep 29, 2026
4	In JOB	Indirect evidence	Verona, ItalyHQ checked Sep 29, 2026	1,001-5,000	1,024 contacts →
	Indirect evidence “inJob è una società specializzata nella ricerca, selezione e somministrazione di professionisti qualificati con contratti a tempo determinato e indeterminato.” Source: RevenueBase Database · checked Sep 29, 2026
5	QPS Employment Group	Partial evidence	Brookfield, WI, United StatesHQ checked Sep 29, 2026	201-500	1,019 contacts →
	Partial evidence “Founded in 1985, QPS Employment Group has grown from a two-person operation to one of the nation's leading staffing and recruiting firms, with more than 300 internal employees…” Source: RevenueBase Database · checked Sep 29, 2026
6	Timing	Indirect evidence	Apeldoorn, NetherlandsHQ checked Sep 29, 2026	501-1,000	976 contacts →
	Indirect evidence “We vallen misschien niet altijd op, toch zijn we overal.” Source: RevenueBase Database · checked Sep 29, 2026
7	Sraco Human Resources Company	Indirect evidence	Dammam, Saudi ArabiaHQ checked Sep 29, 2026	10001+	947 contacts →
	Indirect evidence “SRACO Human Resources Company was established in 2016 to provide the Saudi market with qualified and trained manpower for all activities, commercial, industrial, and domestic…” Source: RevenueBase Database · checked Sep 29, 2026
8	Umana Brasil	Indirect evidence	Recife, BrazilHQ checked Sep 29, 2026	n/a	899 contacts →
	Indirect evidence “Desde 1998 o grupo “Umana”, é referência no setor dos serviços relacionados à gestão dos recursos humanos para terceiros, oferecendo para as empresas uma consultoria completa e…” Source: RevenueBase Database · checked Sep 29, 2026
9	WCA Brasil	Indirect evidence	Jundiaí, BrazilHQ checked Sep 29, 2026	5,001-10,000	868 contacts →
	Indirect evidence “A WCA Brasil atua na área de Prestação de Serviços há 26 anos.” Source: RevenueBase Database · checked Sep 29, 2026
10	ARC Hospitality Recruitment	Indirect evidence	Liverpool, United KingdomHQ checked Sep 29, 2026	10001+	865 contacts →
	Indirect evidence “With over 17 years of experience, we are a trusted nationwide recruitment agency specialising in providing high-quality temporary staff in an array of roles to a wide range of…” Source: RevenueBase Database · checked Sep 29, 2026
11	JKS A S	Indirect evidence	Ringkøbing, DenmarkHQ checked Sep 29, 2026	1,001-5,000	822 contacts →
	Indirect evidence “We are JKS.” Source: RevenueBase Database · checked Sep 29, 2026
12	Florence Doré	Indirect evidence	Paris, FranceHQ checked Sep 29, 2026	1,001-5,000	780 contacts →
	Indirect evidence “Spécialisé dans les métiers de l’accueil depuis plus de 50 ans, Florence Doré s’est développé, depuis plusieurs années dans le détachement de nombreux autres talents auprès de ses…” Source: RevenueBase Database · checked Sep 29, 2026
13	Productions Plus	Partial evidence	Bingham Farms, MI, United StatesHQ checked Sep 29, 2026	n/a	760 contacts →
	Partial evidence “Productions Plus is a national talent and event staffing agency.” Source: RevenueBase Database · checked Sep 29, 2026
14	Hospitality Staffing Solutions	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 29, 2026	5,001-10,000	656 contacts →
	Partial evidence “Today, Hospitality Staffing Solutions is recognized as the industry leader.” Source: RevenueBase Database · checked Sep 29, 2026
15	Hirequest Direct	Indirect evidence	Nashville, TN, United StatesHQ checked Sep 29, 2026	n/a	618 contacts →
	Indirect evidence “HireQuest Direct specializes in day labor, general labor, disaster recovery, skilled labor, janitorial, site clean-up, composite crew, demolition, administrative, hospitality…” Source: RevenueBase Database · checked Sep 29, 2026
16	Poolia Sverige	Indirect evidence	Stockholm, SwedenHQ checked Sep 29, 2026	1,001-5,000	615 contacts →
	Indirect evidence “Att hitta rätt person till rätt plats – det är vår kärnkompetens.” Source: RevenueBase Database · checked Sep 29, 2026
17	Mitchell Martin INC	Partial evidence	New York, NY, United StatesHQ checked Sep 29, 2026	501-1,000	614 contacts →
	Partial evidence “Mitchell Martin Inc.(MMI) is one of the largest employee-owned staffing firms in the U.S, specializing in IT, healthcare, healthcare IT, accounting and finance, and professional…” Source: RevenueBase Database · checked Sep 29, 2026
18	ALL Team Staffing	Indirect evidence	Tampa, CO, United StatesHQ checked Sep 29, 2026	501-1,000	602 contacts →
	Indirect evidence “All Team is a nationwide employment agency that supports 20+ markets from coast to coast.” Source: RevenueBase Database · checked Sep 29, 2026
19	Academy	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 29, 2026	n/a	580 contacts →
	Indirect evidence “İNSAN KAYNAĞI ARAŞTIRMA VE SEÇME Her sektörde, şirketlerin gelecek hedeflerine ulaşmalarını sağlayabilecek uzman kadro, yönetici ve yönetici adaylarının istihdam edilmesi sağlanır.” Source: RevenueBase Database · checked Sep 29, 2026
20	ETJCA	Indirect evidence	ItalyHQ checked Sep 29, 2026	201-500	532 contacts →
	Indirect evidence “Etjca S.p.A.” Source: RevenueBase Database · checked Sep 29, 2026
21	Exact Staff	Partial evidence	Calabasas, CA, United StatesHQ checked Sep 29, 2026	51-200	528 contacts →
	Partial evidence “Exact Staff, founded in 1996, has evolved into a national staffing leader, celebrated for winning the HIREVets Gold Award from the U.S.” Source: RevenueBase Database · checked Sep 29, 2026
22	MONDO	Partial evidence	New York, NY, United StatesHQ checked Sep 29, 2026	51-200	484 contacts →
	Partial evidence “As the largest, national staffing agency specializing exclusively in high-end, niche IT, Tech, and Digital Marketing talent, staffing is more than just our job.” Source: RevenueBase Database · checked Sep 29, 2026
23	Vitalis Médical	Indirect evidence	FranceHQ checked Sep 29, 2026	n/a	469 contacts →
	Indirect evidence “Vitalis Médical est un réseau d’agences de recrutement en intérim, vacation, CDD et CDI, qui développe son expertise métier dans 3 domaines - Paramédical - Médical - Social Nos…” Source: RevenueBase Database · checked Sep 29, 2026
24	Coyle Personnel	Indirect evidence	Harrow, United KingdomHQ checked Sep 29, 2026	201-500	455 contacts →
	Indirect evidence “Founded in 1988, Coyle Personnel is one of the UK's top privately-owned recruitment agencies.” Source: RevenueBase Database · checked Sep 29, 2026
25	Interaction Recruitment	Indirect evidence	Huntingdon, United KingdomHQ checked Sep 29, 2026	201-500	410 contacts →
	Indirect evidence “Interaction is one of the UK's fastest growing independent recruitment businesses, recognised and published as "UK's #1 General Recruiter".” Source: RevenueBase Database · checked Sep 29, 2026

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: user research 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 user research staffing agencies.
Partial evidence: Its own public description names part of user research staffing agencies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name user research 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 5,381 user research staffing agencies worldwide

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User research staffing agencies worldwide at a glance

As of Sep 29, 2026

14.1%Verified-email coverage

14.6Average contacts per company

1-10Median size (employees)

3.3%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

2,819

11-50

1,367

51-200

684

201-500

293

501-1,000

101

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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 user research 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.
Coverage: Every country. Country and city lists for user research staffing agencies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “user research 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 user research 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 user research staffing agencies, and records with no verified work email.
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, 11,107 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 29, 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.

User research staffing agencies by location

26 lists · largest first

Every User research staffing agencies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 user research 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 user research staffing agencies are there worldwide?

RevenueBase identified 5,381 user research staffing agencies worldwide 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?

Blue Arrow, headquartered in London, tops this list with the largest team on record.

Which country has the most user research staffing agencies?

The United States leads with 1,305 companies, followed by the United Kingdom (571) and the Netherlands (378). Every user research staffing agencies list by country and city is linked on this page.

Which city has the most user research staffing agencies?

London leads with 180 headquartered companies, followed by New York (84) and Paris (44).

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 11,107 verified decision-maker contacts tracked across these 5,381 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 29, 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.