KolabtreeA freelance marketplace for scientists and researchers - PhDs and specialists consult on projects from data analysis to regulatory writing.
Fees 20% commission deducted from project feekolabtree.com
NewtonXA B2B expert network connecting verified professionals with paid research consultations.
Fees Negotiated hourly rate + survey honorarianewtonx.com
proSapientAn expert network where professionals earn from paid consultations and surveys.
Fees Sets own rate (~$100-350/hr typical)prosapient.com
Third BridgeAn expert network specializing in private market research - specialists get paid for interviews and written insights.
Fees Sets own hourly rate (~$100-1000+/hr)thirdbridge.com
AIcrowdAn open AI challenge platform hosting research competitions with prizes, often in reinforcement learning and applied ML.
Fees Free to enter, prize pools $17k-50k typicalaicrowd.com
dscoutA research platform that pays participants for in-the-moment mobile studies and diary tasks.
Fees ~$25-200+ per mission or diary studydscout.com
Google User Experience ResearchGoogle own research program paying participants for studies about Google products, from remote interviews to usability sessions.
Fees Gift cards per studyuserresearch.google.com
Office HoursA knowledge marketplace where professionals get paid for short advisory calls with researchers and companies seeking their expertise.
Fees Sets own hourly rate, 5% fee + processingofficehours.com
RespondentA research recruitment platform where professionals join paid studies - most pay 50 to 400 dollars, with focus groups at the high end.
Fees $50-400+/study professional interviewsrespondent.io
TestingTimeA Swiss research panel with some of the highest tester rates in Europe - remote studies pay 20 to 40 euros and in-person up to 55 euros.
Fees Up to ~EUR 50/studytestingtime.com
TrymataA usability testing platform (formerly TryMyUI) paying 5 to 10 dollars for standard 15-20 minute tests and up to 30 dollars for moderated ones, via PayPal.
trymata.com
User InterviewsA large research panel - 6 million participants - matching people to paid studies, interviews, and diary studies, often around 100 dollars per hour.
Fees $50-150+/hr interviews, $10-25 surveysuserinterviews.com
UserfeelA usability testing panel supporting testers in 40+ languages, paying 3 to 30 dollars per test depending on length.
Fees $10 per ~20-min testuserfeel.com
YouGovA research panel that pays members for completing surveys on news and brands.
Fees Points per survey, redemption ~$25-50 thresholdyougov.com