Providers describing participant identity or professional-credential checks. The method and audience covered vary; ask which checks apply to the sample supplied for your study.
These providers have a headquarters or office in United States. Check each provider’s coverage for participant locations.
Headquarters in New York, United States
Healthcare research fieldwork provider within M3, offering proprietary healthcare-professional and patient panels for qualitative and quantitative studies. It also supports custom participant recruitment.
View profileHeadquarters in Glendale, United States
Advertising measurement provider operating a direct consumer audience for survey and behavioral research. Its current services include brand-lift studies using panel respondents.
View profileHeadquarters in New York, United States
B2B research and custom-recruitment provider sourcing professionals for surveys and expert interviews. It uses professional databases and project-specific targeting, with work-email authentication and response-quality checks.
View profileHeadquarters in New York, United States
User research platform offering a participant panel for moderated interviews, unmoderated usability tests and surveys. Recruitment supports consumer and professional targeting across international markets.
View profileHeadquarters in New York, United States
Recruitment platform for consumer, professional and expert participants in qualitative and quantitative studies. It supports user research and AI evaluation, with identity and work-profile checks.
View profileHeadquarters in New York, United States
Verified healthcare-professional community offering paid medical surveys and healthcare research participation. It checks members' identity and professional credentials during registration.
View profile