IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH
IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH is a Private limited company (Ltd.) registered in Germany under HRB 1743 Bayreuth, and its current status with Handelsregister (Commercial Register) is active. Its registered address on file is Bayreuth, Germany. 3 shareholders are on record for IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik 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 28 October 2026.
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Shareholders
3
Three shareholders are currently on record for IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG.
The largest of these is Müller-BBM AG, holding 60% — a majority holding — followed by Michael Hofmann at 20%; the remaining 1 shareholder shown holds smaller stakes.
1 shareholder shown is a company, so the ownership chain continues above this level for that holding; the other 2 are recorded as direct individual holders, though the record carries no UBO/PSC flag confirming beneficial-owner status.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| Müller-BBM AG | 60% | Handelsregister (Commercial Register) | |
| Michael Hofmann | 20% | Handelsregister (Commercial Register) | |
| Werner Rüger | 20% | Handelsregister (Commercial Register) |
Officers
5
Four of the 5 officer records shown for IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH are current appointments, filed with Handelsregister (Commercial Register). Reinhard Wunderlich (appointed 2023-01-05) and Werner Rüger both serve as Geschäftsführer (managing director); Dieter Valentin (appointed 2014-09-03) and Georg Witt both serve as Officer. The record also shows 1 earlier, since-resigned appointment held by an officer who currently serves.
The register reports 9 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik 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.
Group Structure
IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH sits 1 level below its ultimate parent, Muller-BBM AG, registered in Germany. The full chain up to Muller-BBM AG is derived by walking shareholder filings across jurisdictions; no link in it is independently corroborated by IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH's own shareholder record.
Muller-BBM AG
Germany
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Frequently Asked Questions
Who owns IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH?
Three shareholders are currently on record for IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG. The largest of these is Müller-BBM AG, holding 60% — a majority holding — followed by Michael Hofmann at 20%; the remaining 1 shareholder shown holds smaller stakes. 1 shareholder shown is a company, so the ownership chain continues above this level for that holding; the other 2 are recorded as direct individual holders, though the record carries no UBO/PSC flag confirming beneficial-owner status.
Who is IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH's UBO (Ultimate Beneficial Owner)?
At least one shareholder recorded for IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik 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 IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH have on record?
3 shareholders are shown on record for IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH.
What is IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH's company registration number?
IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH's registration number is HRB 1743 Bayreuth, filed with Handelsregister (Commercial Register) in Germany. Its current status on the register is active.
Is IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH still an active company?
IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH's status on Handelsregister (Commercial Register) is listed as active.
What is IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH's registered address?
The registered address on file for IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH is Bayreuth, Germany.
Who are the officers/directors of IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH?
Four of the 5 officer records shown for IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH are current appointments, filed with Handelsregister (Commercial Register). Reinhard Wunderlich (appointed 2023-01-05) and Werner Rüger both serve as Geschäftsführer (managing director); Dieter Valentin (appointed 2014-09-03) and Georg Witt both serve as Officer. The record also shows 1 earlier, since-resigned appointment held by an officer who currently serves. Management authority at IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH have a parent company or subsidiaries?
IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik mbH sits 1 level below its ultimate parent, Muller-BBM AG, registered in Germany.
Can Zavia monitor changes to IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik 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 IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik 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 IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik 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 IBAS Ingenieurgesellschaft für Bauphysik, Akustik und Schwingungstechnik 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 28 October 2026.