Company lists · Data refreshed September 2026

Top 25 Focus group recruiting firms based in the United Kingdom

Name: Focus group recruiting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 120 companies tracked

RevenueBase identified 120 focus group recruiting firms headquartered in the United Kingdom as of September 2026 and tracks 862 professional contacts across them, including 299 with verified work emails. London is the largest hub.

This list covers focus group recruiting 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

120Companies

862Contacts tracked

299Verified emails

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The 25 largest focus group recruiting firms based in the United Kingdom

Ranked by team size

Top 25 of 120 focus group recruiting 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 focus group recruiting 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Serrula Research	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	47 contacts →
	Indirect evidence “Serrula Research is a London based market research agency specialising in recruitment, expert network sourcing, and tailored fieldwork.” Source: RevenueBase Database · checked Sep 28, 2026
2	People For Research	Indirect evidence	Bristol, United KingdomHQ checked Sep 28, 2026	11-50	36 contacts →
	Indirect evidence “People for Research are a specialist recruiter of participants for market research and usability testing across the UK.” Source: RevenueBase Database · checked Sep 28, 2026
3	Global Perspectives, An Iqvia Business	Indirect evidence	Reading, United KingdomHQ checked Sep 28, 2026	11-50	32 contacts →
	Indirect evidence “Global Perspectives, an IQVIA business, specialize in engaging large numbers of hard-to-reach patients, healthcare professionals and payers to take part in scientific studies.” Source: RevenueBase Database · checked Sep 28, 2026
4	Resources Group	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	30 contacts →
	Partial evidence “Whether you are looking for a career move or searching for talent in Market Research, Insights or Data Analytics, no-one knows the sector better than Resources Group.” Source: RevenueBase Database · checked Sep 28, 2026
5	Inventive Research Group	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	30 contacts →
	Indirect evidence “We connect insight-driven organizations with the people who move industries forward.” Source: RevenueBase Database · checked Sep 28, 2026
6	Leftfield	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	27 contacts →
	Indirect evidence “Leftfield is an independent market research fieldwork agency operating globally from our offices in London, Amsterdam and Pune.” Source: RevenueBase Database · checked Sep 28, 2026
7	RMG Recruitment Management Group	Indirect evidence	Preston Brook, United KingdomHQ checked Sep 28, 2026	11-50	27 contacts →
	Indirect evidence “We want to help you as you make a difference to the world around us.” Source: RevenueBase Database · checked Sep 28, 2026
8	OCR Alpha	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	22 contacts →
	Indirect evidence “OCR Alpha is a boutique search firm focused on the hedge fund,/ high-frequency trading space, as well as broader buy-side markets.” Source: RevenueBase Database · checked Sep 28, 2026
9	Aspen People	Indirect evidence	Glasgow, United KingdomHQ checked Sep 28, 2026	11-50	21 contacts →
	Indirect evidence “Aspen People is a leading specialist sector Executive Search organisation, working in partnership with clients to attract and secure exceptional leadership talent.” Source: RevenueBase Database · checked Sep 28, 2026
10	Roots Research	Indirect evidence	Brighton, United KingdomHQ checked Sep 28, 2026	11-50	21 contacts →
	Indirect evidence “Roots Research is a dedicated and effective research recruitment agency.” Source: RevenueBase Database · checked Sep 28, 2026
11	Taylor Mckenzie Research	Indirect evidence	Glasgow, United KingdomHQ checked Sep 28, 2026	11-50	21 contacts →
	Indirect evidence “We provide a wide range of research services.” Source: RevenueBase Database · checked Sep 28, 2026
12	Criteria Fieldwork	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	21 contacts →
	Indirect evidence “Criteria Fieldwork is an independent employee owned fieldwork agency.” Source: RevenueBase Database · checked Sep 28, 2026
13	Resource Professionals	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	21 contacts →
	Indirect evidence “Resource Professionals are a firm of search consultants specialising in the recruitment to recruitment market.” Source: RevenueBase Database · checked Sep 28, 2026
14	The Sales Experts LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	18 contacts →
	Indirect evidence “At The Sales Experts, we know the best commercial professionals are rarely found through traditional recruitment methods.” Source: RevenueBase Database · checked Sep 28, 2026
15	Fieldworkhub International	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	16 contacts →
	Indirect evidence “FieldworkHub International is a passionate and agile London-based international market research fieldwork agency.” Source: RevenueBase Database · checked Sep 28, 2026
16	Indiefield	Indirect evidence	Enfield, United KingdomHQ checked Sep 28, 2026	11-50	16 contacts →
	Indirect evidence “Indiefield is a market research fieldwork partner built around a simple but demanding principle: that the credibility of research depends on whether the people behind the data…” Source: RevenueBase Database · checked Sep 28, 2026
17	Insightx Research Solutions	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence “At InsightX Research Solutions, the "X" represents the missing piece - the crucial insight waiting to be uncovered through high-quality data collection.” Source: RevenueBase Database · checked Sep 28, 2026
18	Fieldmouse Research	Indirect evidence	Montgomery, United KingdomHQ checked Sep 28, 2026	1-10	13 contacts →
	Indirect evidence “FieldMouse champions the fair representation of rural, regional and rarely heard voices in all market research.” Source: RevenueBase Database · checked Sep 28, 2026
19	Carbon	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	13 contacts →
	Indirect evidence “Carbon is a specialist financial services executive search firm.” Source: RevenueBase Database · checked Sep 28, 2026
20	Sario Partners	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	10 contacts →
	Indirect evidence “Sario Partners is a boutique search firm for the management consulting space.” Source: RevenueBase Database · checked Sep 28, 2026
21	Field Sauce	Indirect evidence	Guildford, United KingdomHQ checked Sep 28, 2026	1-10	9 contacts →
	Indirect evidence “At Field Sauce we offer clear and effective project management and are known for our flexibility, strength in collaborating with our clients, our creative approaches to respondent…” Source: RevenueBase Database · checked Sep 28, 2026
22	Spalding Goobey	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	8 contacts →
	Indirect evidence “Established in 1992, Spalding Goobey Associates specialises in the recruitment of market research and Insights professionals at all levels, from graduate trainee to managing…” Source: RevenueBase Database · checked Sep 28, 2026
23	Nicholson Glover	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Indirect evidence “Great hiring starts with understanding.” Source: RevenueBase Database · checked Sep 28, 2026
24	Gromotion Participant Recruitment	Indirect evidence	Kilmarnock, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “Get the Participants Your Research Deserves 100% aligned with your brief, criteria, and specifications Video-validated to ensure participants are articulate, engaged, and…” Source: RevenueBase Database · checked Sep 28, 2026
25	Ithoughts Research	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “Services Excellence, responsiveness and client satisfaction are just three of the core values that underpin iThoughts Research.” Source: RevenueBase Database · checked Sep 28, 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: focus group 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 focus group recruiting firms.
Partial evidence: Its own public description names part of focus group recruiting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name focus group 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 120 focus group recruiting firms based in the United Kingdom

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Focus group recruiting firms based in the United Kingdom at a glance

As of Sep 28, 2026

34.7%Verified-email coverage

7.2Average contacts per company

1-10Median size (employees)

59.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 120 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 focus group 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 the United Kingdom whose own description of what they do matches “focus group 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 focus group 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 focus group recruiting 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, 299 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.

Focus group recruiting firms by metro

Focus group recruiting firms in London71

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 focus group 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 focus group recruiting firms are there based in the United Kingdom?

RevenueBase identified 120 focus group recruiting 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?

Serrula Research, headquartered in London, tops this list with the largest team on record.

Which city has the most focus group recruiting firms?

London leads with 71 headquartered companies, followed by Manchester (7) and Glasgow (3).

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 299 verified decision-maker contacts tracked across these 120 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.