Real signatures.
Real teams. Real inboxes.
A selection of recent ProEmailSign work — across founders, agencies, research labs, and a couple of fintech teams. Click any to see the brief, the build, and the results.
Loveletter Co. — Founder signature with launch banner
A founder signature with a rotating promo slot for the upcoming newsletter launch.
Prior Research — Scientific publication signature system
Signature variants for principal investigators, postdocs, and admin staff — all from one master.
Atelier Paris — Creative director signature with booking CTA
A French creative director's signature with an integrated 15-min intro-call booking CTA.
Yale Compiler Lab — Dark-mode-first signature
A signature designed dark-mode-first — because the Yale CS team works in dark inboxes by default.
Stripe People Team — Recruiter signature variant
A dedicated recruiter signature variant inside Stripe's People team — with calendar links per recruiter.
Analytical Engines — Founder + product launch banner
A founder signature timed with the launch of a new developer SDK.
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