Who Sells Data 159 vendors · updated Oct 13, 2026Talk to the founder

Prolific

Prolific gives AI labs and developers access to verified participants and subject-matter experts to collect human feedback, training data, and model evaluations through a platform, API, or managed research service.

Suggest an edit
Headquarters
London, United Kingdom
Founded
2014
Headcount
51-200
Total funding
$33.4M

Source:sacra.com

Latest round
Series A, $32M, July 2023

Trust & data

How the vendor protects buyer material, where its data comes from, and where it can run.

SOC 2
Pending

Source:prolific.com

Quote
Plans to obtain a SOC 2 Type 2 report are underway.
Other certifications
ISO 27001:2022Cyber EssentialsGDPR
Deployment
Vendor-hosted
Data sources
Expert or contractor-created

Source:prolific.com

Quote
  • Expert or contractor-created: This sample shows how we source expert answers to complex questions in law, medicine, and finance - evidence of the specialist bench we can draw on, not crowd consensus standing in for expertise.
Stated confidentiality practices
Prolific states it uses encryption, least-privilege access, MFA on critical systems, just-in-time production access, periodic access reviews, and recurring security training for employees and contractors.
Not publicly listed
Exclusivity

What they sell

Delivery formats
APIDatasetsManaged service
Named customers
AnthropicAi2GoogleStanford UniversityUniversity of OxfordKing's College LondonEuropean CommissionNugget AIPapercupImbue

Every change to these facts is kept in the public claims log. Record co_12d95207be3d.