Data Solutions Agency

Consumer Insights · France

Participant tracking that used to live in Excel and inboxes, now in one place

A French consumer insights agency was tracking participants by hand, study after study. We delivered a single, GDPR-by-design extranet platform in under six weeks.

<6 wks
from spec to delivery
2
workspaces
100%
GDPR by design
1 click
to generate a Profile Book
Before
  • Participant tracking scattered across Excel files and inboxes
  • No central view of a participant’s status
  • Screening emails and reminders sent one by one, by hand
  • Profile Books assembled manually in PowerPoint
  • No record of GDPR consent
  • No process to export or delete personal data
After
  • Every campaign run from a single interface
  • Several hours saved per campaign on screening and follow-up
  • Screening emails and reminders triggered automatically
  • Profile Books generated in one click (HTML + PowerPoint)
  • GDPR compliance auditable and documented
  • Delivered in under 6 weeks
Next.js 16SupabasePostgreSQL (RLS)Edge FunctionsVercelResend
GDPR by design

Does your agency manage participant panels?

Book a 20-min call
← All case studies