Registered entities
HellGrün Energie GmbH
Reg. No. HRB28054Germany
JOSTEN VENTURES GMBH
Reg. No. HRB27566Germany
Social engagement
Social engagement: 2.2K social following, 9 posts in the last 12 months — around the industry typical range.
Investor mix
1 investor on record.
| Investor type | Count | Share |
|---|---|---|
| Accelerator & incubator | 1 | 100% |
Hiring activity
Hires occasionally
1 role tracked across 1 of the last 12 months
15 Jun 2026 · Expansionsmanager*in PV für Gewerbeimmobilien · Köln oder Berlin
Based on job postings tracked across public sources.
Recent activity
2 Jul 2026
Milestone
regulatory
23 Jun 2026
Event
Jamestown Event Proudly REAL