Tourismuspartner offers knowledge, seminars and workshops in Management of Guest Feedback, Communication, Online Reviews, Online Reputation and Direct Bookings since 2010. Together with Alex, Holger is considered a well-known expert for Hotel Reviews.

Tourism Impact: That's Clara and Holger. They accompany sustainability and change processes and programmes as advisors with strong practical relevance and the latest scientific approaches. They organise conferences, gatherings and experiences, give keynotes and moderate seminars and workshops.

Green Destinations is the world's leading sustainable programme for destinations. Holger Sigmund is representative of GD in Switzerland and Liechtenstein and part of Green Destinations in the DACH region to support destinations and businesses. The programmes of GD are aligned to Swisstainable.

Club of Change is a community of changemakers, made up of individuals and organizations from various industries and countries, all working together to transform sustainability and shape a better tomorrow. Hosted by Clara, Machiel and Holger. Join COC here!

The Alpine Garden Capsule Hotel at a prime location at Zurich Airport opened 2022, directly opposite Check-In 1. Holger Sigmund is shareholder and supports this innovative concept with his knowledge in Online Reputation Management and Sustainability.