GSN Property Services Co., Ltd. was founded over 20 years ago in 1996 in Shanghai, China, by Dr. Andreas Ermann and covers all regions of China via multiple branches. Our registered capital is US$ 1’000’000, and we hold ISO 9001:2015(Quality Management System), 14001:2015(Environment Management System)and OHSAS 18001:2007 (Occupational Health and Safty Management System) certifications as well as the highest  quality rating of AAA for property services in Shanghai. 

In over 100 client sites with more than 5’000’000 square meters GFA under management, GSN provides international standard, innovative and customized solutions in the areas of technical, cleaning, gardening, security and support services for which we were rewarded multiple client awards and acclaim for outstanding services.

GSN’s ability to offer multi-service line packages have earned us a reputation as the premier source for one-stop solutions, ensuring that our clients are able to focus on their core activities while maintaining an immaculate standard for the management of their properties.

Mission Statement

✓ GSN is the leading German property service company in China providing international property service concepts and standards under overseas specialists' guidance.


✓ GSN stands for quality services and creating value in properties under management.

✓ Full client satisfaction is our aim and we envision long-term strategic partnerships with our clients.

✓ To ensure that all phases of a building's lifecycle are managed on a high professional level. GSN offers additional expertise and services for the planning, construction and redevelopment of client's buildings.

✓ To achieve lasting sucess and to ensure the future of GSN, teamwork, training on all levels and staff development system are key.

✓ GSN is always one step ahead of competitors by constantly innovating service procedures and applying benchmark technologies for our industry.

✓ GSN considers the adherence to international EHS standards a top priority.

✓ Satisfied clients form the foundation on which future business development lie.





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"They entrusted us to manage their properties"