Otto Building Technologies GmbH

DER2909.HRB12056|Edertalstraße 22, 57319 Bad BerleburgGermany|2019

About

Otto Building Technologies GmbH is a company based in Bad Berleburg. It is registered in the commercial register of the Siegen local court under HRB 12056. The company was founded in 2019.

Business purpose (commercial register)

Das Engineering und Consulting sowie die Planung, Ausführung und Realisierung im Bereich der Gebäudetechnik.

ClassificationWZ 2025

N.71.12.3 - Ingenieurbüros für Fachplanung von technischer Gebäudeausrüstung

Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 12056 (as of 23 September 2026)

Company Structure

Shareholders

Name	Type	City
Jörg Althaus	Geschäftsführer(in)	Bad Berleburg
Dirk Jung	Geschäftsführer(in)	Wetter

Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 12056 (as of 23 September 2026)

Company History

Management

Date	Event Type	Event
14.11.2019	Company Name Registered	Otto Building Technologies GmbH
14.11.2019	Registered Seat	Bad Berleburg
14.11.2019	Business Address Registered	Edertalstraße 22, 57319 Bad Berleburg

Date	Type	Change	Total Capital
03.01.2020	Capital Increase	+70.000 €	100.000 €
14.11.2019	Share Capital Set	—	30.000 €

CPV categories

Air-conditioning installation workBuilding construction workBuilding demolition and wrecking work and earthmoving workClinic construction workConstruction workConstruction work for school buildingsConstruction work for university buildingsHVAC packagesHeating, ventilation and air-conditioning installation workInspection of ventilation systemInstallation work of cooling equipmentInstallation work of refrigeration equipment+7

Date	Contract	Role	Counterparty	Value
24.9.2026	Vilbeler Straße 38, Feuerwehr Ober-Erlenbach - Lüftungsarbeiten Supplier · Stadt Bad Homburg v. d. Höhe - Der Magistrat, Fachbereich Recht - Vergabestelle -	Supplier	Stadt Bad Homburg v. d. Höhe - Der Magistrat, Fachbereich Recht - Vergabestelle -	—
31.8.2026	Lüftungstechnik - Klinikum Siegen - Erweiterung Zentral-OP Supplier · Kreisklinikum Siegen GmbH	Supplier	Kreisklinikum Siegen GmbH	466.887 €
6.7.2026	KH Merheim, Bettenhaussanierung Haus 20, A-Seite -- Raumlufttechnische Anlagen - 3 Supplier · Kliniken der Stadt Köln gGmbH	Supplier	Kliniken der Stadt Köln gGmbH	1.021.644 €

Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 12056 (as of 23 September 2026)

Register Files

Current Printout (AD)

Chronological Printout (CD)

List of ShareholdersPublished on 3 January 2020

Articles of Association

Model Protocol

Registration Application

Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 12056 (as of 23 September 2026)

Contact

Website:ottoindustries.com

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USt-IdNr.:DE295657138

Otto Building Technologies GmbH

About

Business purpose (commercial register)

ClassificationWZ 2025

Company Structure

Company History

Register Files

Contact

Trends