Anette Ritter-Höll

Managing Director / CEO


  • +49-171-5609768


Dr. Anette Ritter-Höll holds a degree in geology and a doctorate on the frost resistance of Jurassic limestone, is an industrial business economist (specialized in “natural stone”), has been appointed as a publicly certified expert from the Chamber of Industry and Commerce for Munich and Upper Bavaria and is a “Consulting Geoscientist” (comparable to “Consulting Engineer”) of the Association of German Geoscientists.


  • Active work in quarries of Finland, USA and Carrara
  • Exploration of a possible quarry in Canada (1/2 year)
  • Work at Gartner Metallbau for the Frankfurt/M. trade fair tower (screwing panels together in the factory (piecework), assembly on building site)
  • Assistance in fixing stone slabs on a building site in Munich


  • Studied geology/paleontology at the Ludwig-Maximilians-Universität in Munich thesis on Jurassic limestone at the Friedrich-Alexander-Universität Erlangen-Nuremberg

Theory and practice

  • Managing Director of RITTER GmbH (founded in 1985)
  • Member of the Technical Commission of the German Natural Stone Association (1996-2020)
  • Member of the DIN committee for DIN 18516, Part 3 (2012-2017)
  • Member of the UBF (independent consultants for facade technology) – since 12/2018
  • Member of Baukompetenz München e.V. (BKM) – since 2015 (Chairwoman from 3/2019 to 3/2024)
  • Lecturer at the Technical University of Munich at the Chair of Modern Building Conservation (Prof. Dr. Putz) for the area of natural stone since 9/2023
  • Publicly certified expert from the Chamber of Industry and Commerce for Munich and Upper Bavaria for "identification and evaluation of historic monuments and buildings” – since 2005


Natural stone offers infinite value and status through its formation over millions of years and its unique character, color, texture and durability.

Inclusions and layers of stone tell stories that instill respect; natural stone represents creation and transience like no other building material.

Great respect and the ultimate feel for stone are required when it comes to choosing the right stone for your project. Specialist knowledge and decades of experience, which are often only passed on internally, are in demand and priceless. Even if design and sales already have an idea, they cannot be left alone here.

Which stone, from which quarry, is suitable for realizing the architect’s design. A deep knowledge that the client can trust. Transparency and partnership relieve the burden on those responsible in advance and ensure the desired effectiveness, which is the basis for the added value of the buildings.

Eichgrabenstr. 5
82340 Feldafing

T. +49 (0) 8157 – 997