Who it may suit
Research participation. Compare the current eligibility, reward and access details before registering.
Joining and eligibility
Joining fee: Free.
Web and app access
Web.
UK access checkedChecked 13 October 2026
Plus4 Review
Independent, full-service market research agency in London providing qualitative and quantitative research across the UK, Europe and worldwide.
Disclosure: We may earn a commission if you sign up through some links on this site, at no extra cost to you. This does not determine our editorial coverage.
Quick verdict
Independent, full-service market research agency in London providing qualitative and quantitative research across the UK, Europe and worldwide.
Best for: Research participation
Key facts
- Availability
- United Kingdom
- Platform type
- research
- Joining fee
- Free
- Access
- Web
What we verified
Official research
Official informationOfficial information checked
Country availabilityOfficial information checked
EligibilityOfficial information checked
Minimum ageNot checked
Joining feeOfficial information checked
Payment methodsNot checked
Reward systemNot checked
Survey availabilityNot checked
Screen-out policyNot checked
Cash-out termsNot checked
Mobile app statusNot checked
First-hand testing
Account openedNot tested
Survey completedNot tested
Cash-out testedNot tested
Payment receivedNot tested
Sources
Official pages used in the latest research pass. Terms and reward catalogues can change.
Alternatives
Is Plus4 available in the UK?+
UK availability was checked on 13 October 2026. Check the current signup page before joining.
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Summary
Independent, full-service market research agency in London providing qualitative and quantitative research across the UK, Europe and worldwide.