Person profile · Commercial register
Jan Martens
Wiefelstede
Jan Martens holds 2 commercial register mandates — including Geschäftsführer at Martens Sand und Kies GmbH. All company connections, shareholdings and roles at a glance.
Active mandates
- Geschäftsführer
Former mandates
- ehem. GeschäftsführerMartens Abbruch GmbH · Rastede