Full-service, independent market research agency, providing qualitative & quantitative expertise including field services & tab across UK and Europe
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We are an independent, UK-based full-service market research agency specialising in qualitative and quantitative research across the UK and Europe. Established in 1970, we have delivered over 23,000 research projects for international research agencies, brands and organisations.
We specialise in full-service qualitative research, providing US and international agencies with a trusted UK research partner. Our expertise includes focus groups, in-depth interviews (IDIs), online qualitative research, workshops, concept and product testing, taste testing and central location tests (CLTs).
Our experienced senior researchers manage every stage, from research design and methodology through recruitment, fieldwork, moderation, analysis and reporting.
With a dedicated point of contact and hands-on project management, we deliver reliable, actionable insights for standalone UK studies and multi-country European research programmes.
We also offer full-service quantitative research, including survey design, data collection, processing, tabulation and analysis. Individual services, including recruitment, fieldwork, moderation and analysis, are available to complement clients' existing research teams.
Our dedicated London viewing facility, The Qualitative Lab, is located in Wimbledon, South West London. It provides a professional environment for focus groups, depth interviews, workshops and product testing, with experienced hosting, audio/video recording and live streaming for remote observation. Available independently or as part of a full-service project, the facility welcomes UK and international clients.
Whether you need a UK qualitative research partner, European project coordination or a complete research solution, Plus4 combines decades of experience, senior-level expertise and the flexibility of an independent agency.
Contact us to discuss your next UK or European market research project.


Location
Suburban London
Building Type
Free Standing
Travel time from airport
50 mins
Travel time from downtown
20 mins
Facility Features
Catering facilities
Client lounge
High-definition TV
Office services
Onsite parking
Recording - Digital
Video-streaming
Wireless Internet
Recruiting capabilities:
Plus4 provides nationwide UK qualitative and quantitative recruitment as part of its full-service research offering, with recruitment-only support also available where required. Our established network of 700+ experienced supervisors, interviewers and recruiters covers the UK, supporting consumer research, including focus groups, in-depth interviews, online research, product testing and central location tests (CLTs). All recruitment is managed by our experienced in-house field team, with double-screening procedures to support participant quality. Our team works to the Market Research Society (MRS) Code of Conduct, with Recruiter Accreditation Scheme (RAS) accreditation among relevant internal and external team members.
Recruiting area:
UK Nationwide
Room types
Dimensions
Capacity
Observation capacity
Focus Group
One-on-One
Living Room
5.8X3.5meters
10
8
Client Lounge
Viewing Room
8X2.7meters
10
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