Partner, Austria

Real Estate

Expertise

Dr Hannes Winkler specialises in providing legal advice on real estate projects and construction matters.

He supports developers, investors, contractors, and both private and commercial property owners with all legal aspects of real estate, construction contracts, and project development. Drawing on many years of experience and strong sector expertise, Hannes Winkler offers clear, pragmatic, and timely legal guidance.

His key areas of focus include:

  • Construction & Construction Contract Law
    • Drafting and reviewing construction contracts
    • Legal guidance from project design through to completion
    • Enforcement and defence of claims relating to delays, defects, or additional costs
  • Representation in construction disputes and arbitration proceedings
    • Real Estate & Tenancy Law
    • Purchase, sale, and development of properties
    • Lease and tenancy agreements (residential, commercial, and specialised properties)
    • Land register matters, condominium ownership, and contractual structuring
    • Approval procedures before authorities and administrative courts

Hannes Advises

Hannes advises a broad spectrum of clients, including:

  • Private property owners (e.g. contracts of sale, tenancy, and ownership issues)
  • Developers and construction companies (from contract negotiations to project execution)
  • Investors and project developers.

Experience Highlights

His unique combination of legal expertise and business background (MBA) allows him to develop legal solutions that are also strategically and economically sound.

Career History

Previous Law firms

  • 2016 – 2025: WINKLER & RIEDL Rechtsanwälte OG
  • 2014 – 2016: Brandstetter Baurecht Pritz und Partner Rechtsanwälte KG
  • 2013 – 2014: Baker & McKenzie, Diwok Hermann Petsche Rechtsanwälte LLP & CO KG
  • 2011 – 2013: Olischar & Partner Rechtsanwälte
  • 2009 – 2011: Pflaum Karlberger Wiener Opetnik Rechtsanwälte LLP & Co KG

Education

  • Magister & Doctor of Laws (University of Vienna)
  • LL.M. in European & International Business Law
  • MBA in General Management
  • Austrian Bar Examination (2012)

 

 

 

Hannes is a partner in gunnercooke GmbH, whose registered office is Kurfuerstendamm 15, 10719 Berlin, AG Charlottenburg, HRB 224488 B. All lawyers of gunnercooke GmbH are admitted either in Germany or Austria to practise as Rechtsanwalt or Rechtsanwaeltin and are members of and regulated by the relevant local Bar (Rechtsanwaltskammer).

Expertise

Back to top

Dr Hannes Winkler specialises in providing legal advice on real estate projects and construction matters.

He supports developers, investors, contractors, and both private and commercial property owners with all legal aspects of real estate, construction contracts, and project development. Drawing on many years of experience and strong sector expertise, Hannes Winkler offers clear, pragmatic, and timely legal guidance.

His key areas of focus include:

  • Construction & Construction Contract Law
    • Drafting and reviewing construction contracts
    • Legal guidance from project design through to completion
    • Enforcement and defence of claims relating to delays, defects, or additional costs
  • Representation in construction disputes and arbitration proceedings
    • Real Estate & Tenancy Law
    • Purchase, sale, and development of properties
    • Lease and tenancy agreements (residential, commercial, and specialised properties)
    • Land register matters, condominium ownership, and contractual structuring
    • Approval procedures before authorities and administrative courts

Hannes Advises

Back to top

Hannes advises a broad spectrum of clients, including:

  • Private property owners (e.g. contracts of sale, tenancy, and ownership issues)
  • Developers and construction companies (from contract negotiations to project execution)
  • Investors and project developers.

Experience Highlights

Back to top

His unique combination of legal expertise and business background (MBA) allows him to develop legal solutions that are also strategically and economically sound.

Career History

Back to top

Previous Law firms

  • 2016 – 2025: WINKLER & RIEDL Rechtsanwälte OG
  • 2014 – 2016: Brandstetter Baurecht Pritz und Partner Rechtsanwälte KG
  • 2013 – 2014: Baker & McKenzie, Diwok Hermann Petsche Rechtsanwälte LLP & CO KG
  • 2011 – 2013: Olischar & Partner Rechtsanwälte
  • 2009 – 2011: Pflaum Karlberger Wiener Opetnik Rechtsanwälte LLP & Co KG

Education

  • Magister & Doctor of Laws (University of Vienna)
  • LL.M. in European & International Business Law
  • MBA in General Management
  • Austrian Bar Examination (2012)

 

 

 

Hannes is a partner in gunnercooke GmbH, whose registered office is Kurfuerstendamm 15, 10719 Berlin, AG Charlottenburg, HRB 224488 B. All lawyers of gunnercooke GmbH are admitted either in Germany or Austria to practise as Rechtsanwalt or Rechtsanwaeltin and are members of and regulated by the relevant local Bar (Rechtsanwaltskammer).