RUMAS GmbH
RUMAS GmbH is a Private limited company (Ltd.) registered in Germany under HRB 42205 Mainz, and its current status with Handelsregister (Commercial Register) is active. Its registered address on file is Erbes-Büdesheim, Germany. 5 shareholders are on record for RUMAS GmbH, including at least one natural person recorded as a direct holder; the filing carries no beneficial-ownership flag, so that holder is noted here as a recorded shareholder rather than a confirmed ultimate beneficial owner (UBO). This profile is sourced directly from Handelsregister (Commercial Register) and was last updated on 1 November 2026.
- Company fundamentals
- Corporate linkage & group structures
- Digitized company financials
- Firmographics — websites, social profiles, revenue and employee estimates
Shareholders
5
Five shareholders are currently on record for RUMAS GmbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG.
The largest of these is Tronco Management GmbH, holding 48.7% — the largest recorded stake — followed by MS Ventures GmbH at 48.7%; the remaining 3 shareholders shown hold smaller stakes.
The register reports 6 shareholders in total, though only the top 5 by holding are shown in this view.
4 shareholders shown are companies, so the ownership chain continues above this level for those holdings; the other 1 is recorded as direct individual holder, though the record carries no UBO/PSC flag confirming beneficial-owner status.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| Tronco Management GmbH | 48.7% | Handelsregister (Commercial Register) | |
| MS Ventures GmbH | 48.7% | Handelsregister (Commercial Register) | |
| Tronco Management GmbH | 1.2% | Handelsregister (Commercial Register) |
Officers
4
Two of the 4 officer records shown for RUMAS GmbH are current appointments, filed with Handelsregister (Commercial Register). Rouven Seitner and Marco Seitner both serve as Geschäftsführer (managing director). The remaining 2 records shown (Marco Jerome Seitner and Rouven Philipp Josef Seitner) are former appointments that have since been resigned.
Management authority at RUMAS GmbH sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
Group Structure
RUMAS GmbH sits 1 level below its ultimate parent, MS Ventures GmbH, registered in Austria. Immediately above RUMAS GmbH is MS Ventures GmbH, holding 50% as filed in RUMAS GmbH's own shareholder record with Handelsregister (Commercial Register).
MS Ventures GmbH
Austria
Get complete shareholder and officer records, ultimate beneficial owner resolution, and ongoing ownership monitoring.
Frequently Asked Questions
Who owns RUMAS GmbH?
Five shareholders are currently on record for RUMAS GmbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG. The largest of these is Tronco Management GmbH, holding 48.7% — the largest recorded stake — followed by MS Ventures GmbH at 48.7%; the remaining 3 shareholders shown hold smaller stakes. 4 shareholders shown are companies, so the ownership chain continues above this level for those holdings; the other 1 is recorded as direct individual holder, though the record carries no UBO/PSC flag confirming beneficial-owner status.
Who is RUMAS GmbH's UBO (Ultimate Beneficial Owner)?
At least one shareholder recorded for RUMAS GmbH is a natural person. The record carries no dedicated UBO/PSC flag, so that holder is stated here as a recorded shareholder rather than a confirmed Ultimate Beneficial Owner (UBO).
How many shareholders does RUMAS GmbH have on record?
5 shareholders are shown on record for RUMAS GmbH. The register reports 6 in total; only the top 5 by holding are shown here.
What is RUMAS GmbH's company registration number?
RUMAS GmbH's registration number is HRB 42205 Mainz, filed with Handelsregister (Commercial Register) in Germany. Its current status on the register is active.
Is RUMAS GmbH still an active company?
RUMAS GmbH's status on Handelsregister (Commercial Register) is listed as active.
What is RUMAS GmbH's registered address?
The registered address on file for RUMAS GmbH is Erbes-Büdesheim, Germany.
Who are the officers/directors of RUMAS GmbH?
Two of the 4 officer records shown for RUMAS GmbH are current appointments, filed with Handelsregister (Commercial Register). Rouven Seitner and Marco Seitner both serve as Geschäftsführer (managing director). The remaining 2 records shown (Marco Jerome Seitner and Rouven Philipp Josef Seitner) are former appointments that have since been resigned. Management authority at RUMAS GmbH sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does RUMAS GmbH have a parent company or subsidiaries?
RUMAS GmbH sits 1 level below its ultimate parent, MS Ventures GmbH, registered in Austria.
Can Zavia monitor changes to RUMAS GmbH's ownership over time?
This profile reflects a point-in-time snapshot from Handelsregister (Commercial Register). Zavia's monitoring API can track changes to RUMAS GmbH's registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access RUMAS GmbH's data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including Germany, so records like RUMAS GmbH's registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from Handelsregister (Commercial Register) and was last synced on 1 November 2026.