Markus Hammer

citizen of Basel, Thalwil

Commercial register

SEBESPAY GmbH

Managing director · sole signature · Zug

since May 18, 2026
RetFin AG

Member of the board of directors · sole signature · Zug

since Apr 29, 2026
Hammer & Hammer GmbH

Chair of the executive board · sole signature · Thalwil

since Dec 28, 2016

Trademarks, designs and patents

HammerBlocks

Swiss trademark · 855744 · Holder

Jun 19, 2026