Respondent.io is a marketplace that connects researchers with both interesting people and business professionals for research studies. We are a product-led research platform. We allow people to become researchers, create a profile, launch research studies on our platform, and manage their recruitment.

Respondent works vigilantly to match your target audience with the best participants. Then, you get to choose from the participants we match to your study and schedule for your study.

Respondent recruits research participants in three ways.

1. We publish the project via a network of online publishers.

We partner with publishing networks that have established audiences to reach niche populations of potential participants. Publishers include targeted ad networks and LinkedIn. We allow large volumes of potential participants to see your posted research projects in targeted places across the web.

2. We push the study to our marketplace of research participants.

Our systems match the criteria of your study with people who have already signed up for our platform. We'll promote your project to them if they are likely a match.

To avoid propagating professional research participants on the platform, we share information about what studies people have participated in previously with all researchers.

3. We encourage sharing of research opportunities among networks of professionals.

We are good at recruiting participants in niche markets. For example, the people who know the most financial advisers are other financial advisers. The people who know the most teachers are teachers themselves.

Using a combination of these approaches, Respondent can reach almost any audience you wish to target.


There are ways to optimize Respondent's ability to recruit for your project.

For more recruiting tips, check out:

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