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.
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 Brisbane, Australia
Research platform with its own participant panel and managed sourcing for harder-to-reach audiences. It supports interviews, usability studies and surveys across international markets, with identity checks and participant screening.
View profileHeadquarters in Tokyo, Japan
INTAGE Group company supplying online and mobile research participants across Asia. Its sample combines proprietary panels, media partners and third-party panel integrations, with survey operations and data collection support.
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 Buenos Aires, Argentina
Latin American fieldwork provider operating a healthcare-professional panel and custom recruitment. It serves healthcare, patient, consumer and business studies through online, telephone and in-person methods.
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 Oslo, Norway
Data-collection provider with proprietary consumer panels across Europe and the Americas, plus business-audience recruitment through Norstat Expert Network. It offers sample-only services and online, telephone and qualitative fieldwork.
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 London, United Kingdom
Participant recruitment platform for academic, market, user and AI research. Researchers can target its opted-in participant pool and connect studies hosted in external tools.
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 profileHeadquarters in Zurich, Switzerland
Norstat participant recruitment service for usability tests, interviews and other research. Supplies consumer and business participants from its European participant pool and manages screening, scheduling and incentives.
View profileHeadquarters in Kuala Lumpur, Malaysia
Consumer research platform and managed research provider serving Southeast Asia. Its proprietary panel supports audience targeting, surveys and tracking, with published identity, device and response-quality checks.
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