Aioneers GmbH
Aioneers GmbH is a Private limited company (Ltd.) registered in Germany under HRB 735679 Mannheim, and its current status with Handelsregister (Commercial Register) is active. Its registered address on file is Mannheim, Germany. 1 shareholder is on record for Aioneers GmbH, and since every one of them is a company rather than an individual, this particular filing does not on its own establish an ultimate beneficial owner (UBO) — identifying one would mean tracing the ownership of each shareholding company in turn. This profile is sourced directly from Handelsregister (Commercial Register) and was last updated on 19 October 2026.
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Shareholders
1
One shareholder is currently on record for Aioneers GmbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG.
The largest of these is EFESO Holding GmbH, holding 100% — a majority holding.
Because the shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| EFESO Holding GmbH | 100% | Handelsregister (Commercial Register) |
Officers
5
Four of the 5 officer records shown for Aioneers GmbH are current appointments, filed with Handelsregister (Commercial Register). Thorsten Piehl and Bruno Ghislain M. Machiels both serve as Geschäftsführer (managing director); Jens Ehricht (appointed 2020-07-01) and Stephan Deussen both serve as Officer. The remaining 1 record shown (Adrian Reisch) is a former appointment that has since been resigned.
The register reports 12 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at Aioneers 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
Aioneers GmbH sits 5 levels below its ultimate parent, Eole Holdings B.V., registered in Netherlands. Immediately above Aioneers GmbH is EFESO Holding GmbH, holding 100% as filed in Aioneers GmbH's own shareholder record with Handelsregister (Commercial Register). Eole Holdings B.V. sits further up the chain, a link derived by walking shareholder filings across jurisdictions rather than stated in a single document.
Eole Holdings B.V.
Netherlands
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Frequently Asked Questions
Who owns Aioneers GmbH?
One shareholder is currently on record for Aioneers GmbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG. The largest of these is EFESO Holding GmbH, holding 100% — a majority holding. Because the shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
Who is Aioneers GmbH's UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for Aioneers GmbH is itself a company rather than a natural person, so no Ultimate Beneficial Owner (UBO) is identified at this level; establishing one would require tracing the ownership of each shareholding company in turn.
How many shareholders does Aioneers GmbH have on record?
1 shareholder is shown on record for Aioneers GmbH.
What is Aioneers GmbH's company registration number?
Aioneers GmbH's registration number is HRB 735679 Mannheim, filed with Handelsregister (Commercial Register) in Germany. Its current status on the register is active.
Is Aioneers GmbH still an active company?
Aioneers GmbH's status on Handelsregister (Commercial Register) is listed as active.
What is Aioneers GmbH's registered address?
The registered address on file for Aioneers GmbH is Mannheim, Germany.
Who are the officers/directors of Aioneers GmbH?
Four of the 5 officer records shown for Aioneers GmbH are current appointments, filed with Handelsregister (Commercial Register). Thorsten Piehl and Bruno Ghislain M. Machiels both serve as Geschäftsführer (managing director); Jens Ehricht (appointed 2020-07-01) and Stephan Deussen both serve as Officer. The remaining 1 record shown (Adrian Reisch) is a former appointment that has since been resigned. Management authority at Aioneers GmbH sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does Aioneers GmbH have a parent company or subsidiaries?
Aioneers GmbH sits 5 levels below its ultimate parent, Eole Holdings B.V., registered in Netherlands.
Can Zavia monitor changes to Aioneers 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 Aioneers 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 Aioneers 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 Aioneers 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 19 October 2026.