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Rathenau Energiegesellschaft mbH

Active

Registration No.
HRB 11534 Regensburg
Incorporation Date
Not disclosed
Company Type
Not disclosed
Address
Passau, Germany
Website
N/A
Source: Handelsregister (Commercial Register)

Rathenau Energiegesellschaft mbH is a Private limited company (Ltd.) registered in Germany under HRB 11534 Regensburg, and its current status with Handelsregister (Commercial Register) is active. Its registered address on file is Passau, Germany. 2 shareholders are on record for Rathenau Energiegesellschaft mbH, 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 29 October 2026.

Data Provenance
This record is sourced directly from official government registries, including Handelsregister (Commercial Register).

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Shareholders

2

Two shareholders are currently on record for Rathenau Energiegesellschaft mbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG.

The largest of these is IN-SIDER Verlags-GmbH, holding 50% — the largest recorded stake — followed by IN-SIDER Verlags-GmbH at 50%.

Every shareholder shown is an individual, recorded as a direct holder at this level; the record carries no UBO/PSC flag, so beneficial-owner status is not confirmed here.

Shareholder Type Holding Source Document
IN-SIDER Verlags-GmbH 50% Handelsregister (Commercial Register)
IN-SIDER Verlags-GmbH 50% Handelsregister (Commercial Register)

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Full cap table, ownership percentages, and ultimate beneficial owners resolved down to the natural person.

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Officers

4

Two of the 4 officer records shown for Rathenau Energiegesellschaft mbH are current appointments, filed with Handelsregister (Commercial Register). Alexander Diekmann and Simone Tucci-Diekmann both serve as Geschäftsführer (managing director). The remaining 2 records shown (Peter Esser and Thomas Esser) are former appointments that have since been resigned.

Management authority at Rathenau Energiegesellschaft mbH 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.

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Alexander Diekmann ACTIVE

Residence
🇩🇪 Germany
Occupation
Geschäftsführer (managing director)

ST
Simone Tucci-Diekmann ACTIVE

Residence
🇩🇪 Germany
Occupation
Geschäftsführer (managing director)

PE
Peter Esser RESIGNED

Appointed
2009-07-06
Residence
🇩🇪 Germany
Occupation
Geschäftsführer (managing director)

TE
Thomas Esser RESIGNED

Appointed
2009-07-06
Residence
🇩🇪 Germany
Occupation
Geschäftsführer (managing director)

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Group Structure

Rathenau Energiegesellschaft mbH sits 1 level below its ultimate parent, In-Sider Verlags-GmbH, registered in Germany. Immediately above Rathenau Energiegesellschaft mbH is In-Sider Verlags-GmbH, holding 100% as filed in Rathenau Energiegesellschaft mbH's own shareholder record with Handelsregister (Commercial Register).

Ultimate HQ
In-Sider Verlags-GmbH
Germany

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Frequently Asked Questions

Who owns Rathenau Energiegesellschaft mbH?

Two shareholders are currently on record for Rathenau Energiegesellschaft mbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG. The largest of these is IN-SIDER Verlags-GmbH, holding 50% — the largest recorded stake — followed by IN-SIDER Verlags-GmbH at 50%. Every shareholder shown is an individual, recorded as a direct holder at this level; the record carries no UBO/PSC flag, so beneficial-owner status is not confirmed here.

Who is Rathenau Energiegesellschaft mbH's UBO (Ultimate Beneficial Owner)?

At least one shareholder recorded for Rathenau Energiegesellschaft mbH 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 Rathenau Energiegesellschaft mbH have on record?

2 shareholders are shown on record for Rathenau Energiegesellschaft mbH.

What is Rathenau Energiegesellschaft mbH's company registration number?

Rathenau Energiegesellschaft mbH's registration number is HRB 11534 Regensburg, filed with Handelsregister (Commercial Register) in Germany. Its current status on the register is active.

Is Rathenau Energiegesellschaft mbH still an active company?

Rathenau Energiegesellschaft mbH's status on Handelsregister (Commercial Register) is listed as active.

What is Rathenau Energiegesellschaft mbH's registered address?

The registered address on file for Rathenau Energiegesellschaft mbH is Passau, Germany.

Who are the officers/directors of Rathenau Energiegesellschaft mbH?

Two of the 4 officer records shown for Rathenau Energiegesellschaft mbH are current appointments, filed with Handelsregister (Commercial Register). Alexander Diekmann and Simone Tucci-Diekmann both serve as Geschäftsführer (managing director). The remaining 2 records shown (Peter Esser and Thomas Esser) are former appointments that have since been resigned. Management authority at Rathenau Energiegesellschaft mbH sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.

Does Rathenau Energiegesellschaft mbH have a parent company or subsidiaries?

Rathenau Energiegesellschaft mbH sits 1 level below its ultimate parent, In-Sider Verlags-GmbH, registered in Germany.

Can Zavia monitor changes to Rathenau Energiegesellschaft mbH's ownership over time?

This profile reflects a point-in-time snapshot from Handelsregister (Commercial Register). Zavia's monitoring API can track changes to Rathenau Energiegesellschaft mbH's registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.

Can I access Rathenau Energiegesellschaft mbH'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 Rathenau Energiegesellschaft mbH'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 29 October 2026.

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