OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH
OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH is a Private limited company (Ltd.) registered in Germany under HRB 460 Stendal, and its current status with Handelsregister (Commercial Register) is active. The company was incorporated on 1 January 2025 and lists its registered address as Osterburg, Germany. 5 shareholders are on record for OST BAU; Osterburger Straßen-, Tief- und Hochbau 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 24 September 2026.
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Shareholders
5
Shareholders of OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH
Five shareholders are currently on record for OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG. The largest of these is Groth & Co. Bau- und Beteiligungs GmbH & Co. Kommanditgesellschaft, holding 69% — a majority holding — followed by Ostbau Management Beteiligungs eGbR at 20%; the remaining 3 shareholders shown hold smaller stakes. Because every 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.
Officers
5
Directors and officers of OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH
The Geschäftsführer (managing director) of OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH on record is Hans-Jochen Becker; 5 officers are shown here, filed with Handelsregister (Commercial Register). Management authority at OST BAU; Osterburger Straßen-, Tief- und Hochbau 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.
Data availability
The register reports 22 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Group Structure
Group structure of OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH
OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH sits 1 level below its ultimate parent, Groth & Co. Bau- und Beteiligungs GmbH & Co. KG, registered in Germany. 2 subsidiaries are recorded beneath it, across 1 jurisdiction. The full chain up to Groth & Co. Bau- und Beteiligungs GmbH & Co. KG is derived by walking shareholder filings across jurisdictions; no link in it is independently corroborated by OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH's own shareholder record. Each of these downward relationships is derived rather than filed: resolved by matching entities across the registry network, not stated directly in a single document.
- TuG Tief- und Gleisbau Brandenburg/H. GmbH (Germany)
- REAKU Spezialbau GmbH (Germany)
Data availability
Those 2 subsidiaries span Germany jurisdiction, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
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Frequently Asked Questions
Who owns OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH?
Five shareholders are currently on record for OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH, held on the Gesellschafterliste (shareholder list), filed under §40 of the GmbHG. The largest of these is Groth & Co. Bau- und Beteiligungs GmbH & Co. Kommanditgesellschaft, holding 69% — a majority holding — followed by Ostbau Management Beteiligungs eGbR at 20%; the remaining 3 shareholders shown hold smaller stakes. Because every 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 OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH's UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for OST BAU; Osterburger Straßen-, Tief- und Hochbau 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 OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH have on record?
5 shareholders are shown on record for OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH.
What is OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH's company registration number?
OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH's registration number is HRB 460 Stendal, filed with Handelsregister (Commercial Register) in Germany. Its current status on the register is active.
Is OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH still an active company?
OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH's status on Handelsregister (Commercial Register) is listed as active.
When was OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH incorporated?
OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH was incorporated on 1 January 2025, according to Handelsregister (Commercial Register).
What is OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH's registered address?
The registered address on file for OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH is Osterburg, Germany.
What legal structure is OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH registered as?
OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH is registered as a Private limited company (Ltd.) in Germany.
Who are the officers/directors of OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH?
The Geschäftsführer (managing director) of OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH on record is Hans-Jochen Becker; 5 officers are shown here, filed with Handelsregister (Commercial Register). Management authority at OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH have a parent company or subsidiaries?
OST BAU; Osterburger Straßen-, Tief- und Hochbau GmbH sits 1 level below its ultimate parent, Groth & Co. Bau- und Beteiligungs GmbH & Co. KG, registered in Germany. 2 subsidiaries are recorded beneath it, across 1 jurisdiction. Those 2 subsidiaries span Germany jurisdiction, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
Can Zavia monitor changes to OST BAU; Osterburger Straßen-, Tief- und Hochbau 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 OST BAU; Osterburger Straßen-, Tief- und Hochbau 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 OST BAU; Osterburger Straßen-, Tief- und Hochbau 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 OST BAU; Osterburger Straßen-, Tief- und Hochbau 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 24 September 2026.