Klaus Ortner

Director/Board Member at PORR AG

Net worth: 40 M $ as of 29/06/2026

82 year

54 connections

Industrial Services

Distribution Services

Finance

Profile

Klaus Ortner currently works at Ortner GmbH, as Chief Executive Officer from 2011, HTG GmbH, as Chief Executive Officer, Elin GmbH, as Deputy Chairman-Supervisory Board, Elin GmbH & Co. KG, as Chairman-Supervisory Board from 2012, B.O.B Best of Books GmbH, as Co-Managing Director, PORR AG, as Member-Supervisory Board, UBM Development AG, as Member-Supervisory Board from 2000, TEERAG-ASDAG GmbH, as Member-Supervisory Board, IGO Immobiliengesellschaft mbH, as Managing Partner, and Pesort Immobilien AG, as Member-Supervisory Board from 2011.
Mr. Ortner also formerly worked at Thalia Bücher GmbH, as Member-Management Board, Porr AG (Germany), as Member-Supervisory Board, and Porr Projekt und Hochbau AG, as Member-Supervisory Board from 1998 to 2009.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
UBM DEVELOPMENT AG 27.62%	30/12/2025	2,063,471 ( 27.62% )	40 M $	29/06/2026

Klaus Ortner active positions

Companies	Position	Start
PORR AG	Director/Board Member	29/07/1998
UBM DEVELOPMENT AG	Director/Board Member	17/03/2000
Ortner GmbH Ortner GmbH Engineering & ConstructionIndustrial Services Provides heating, plumbing, and air-conditioning installation services	Chief Executive Officer	15/05/2011
TEERAG-ASDAG GmbH TEERAG-ASDAG GmbH Engineering & ConstructionIndustrial Services Provides civil engineering and construction services	Director/Board Member	24/05/2010
Pesort Immobilien AG	Director/Board Member	15/05/2011
IGO Immobiliengesellschaft mbH	Corporate Officer/Principal	15/05/2011
HTG GmbH	Chief Executive Officer	15/05/2011
Elin GmbH Elin GmbH Engineering & ConstructionIndustrial Services Designs, plans, builds, maintains buildings and industrial facilities in electrical engineering	Director/Board Member	-
B.O.B Best of Books GmbH B.O.B Best of Books GmbH Wholesale DistributorsDistribution Services Wholesales paper and paperboard, stationery, books, newspapers, journals and periodicals	Chief Executive Officer	-

All active positions of Klaus Ortner

Former positions of Klaus Ortner

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See the detail of Klaus Ortner's experience

Experiences
Positions held

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See the detail of Klaus Ortner's experience

Connections

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Linked companies

Private companies	13
PORR AG PORR AG Engineering & ConstructionIndustrial Services Provides construction services	Industrial Services
UBM Development AG UBM Development AG Real Estate DevelopmentFinance Provides real estate services	Finance
TEERAG-ASDAG GmbH TEERAG-ASDAG GmbH Engineering & ConstructionIndustrial Services Provides civil engineering and construction services	Industrial Services
Thalia Bücher GmbH Thalia Bücher GmbH Wholesale DistributorsDistribution Services Operates as an online books and toys store	Distribution Services
Ortner GmbH Ortner GmbH Engineering & ConstructionIndustrial Services Provides heating, plumbing, and air-conditioning installation services	Industrial Services
Porr Projekt und Hochbau AG
Elin GmbH Elin GmbH Engineering & ConstructionIndustrial Services Designs, plans, builds, maintains buildings and industrial facilities in electrical engineering	Industrial Services
IGO Immobiliengesellschaft mbH
B.O.B Best of Books GmbH B.O.B Best of Books GmbH Wholesale DistributorsDistribution Services Wholesales paper and paperboard, stationery, books, newspapers, journals and periodicals	Distribution Services
Elin GmbH & Co. KG Elin GmbH & Co. KG Engineering & ConstructionIndustrial Services Provides electrical building equipment installation services	Industrial Services
Pesort Immobilien AG
HTG GmbH
Porr AG (Germany) Porr AG (Germany) Engineering & ConstructionIndustrial Services Engages in heavy construction services	Industrial Services