1910   Josef Urthaler (grandfather of Walter Urthaler) builds the Enzian Inn in Siusi
1926    Construction of the guesthouse Urthaler in Siusi, which in the 1930s is renamed Hotel Diana
1938   The family Josef Urthaler moves to Alpe di Siusi and rents the guesthouse Corradini
1948    Construction of the annexe Urthaler with 25 beds
1954    Purchase of the guesthouse Bellavista. The guesthouse is renamed Gasthof Urthaler and the lease of the guesthouse Corradini is terminated
1955    Opening of a bar that is later named Yeti Bar - today it houses the ski hire
1967    Walter Urthaler takes on the management of the Gasthof Urthaler Inn
1968    Lease of the Hotel Plaza
1971   Lease of the Hotel Goldenes Rössl in Castelrotto and the Hotel Santner on Alpe di Siusi
1978   Purchase of the Hotel Plaza
1985   Purchase of the Hotel Maria which is renamed to Hotel Compatsch. Nina Urthaler takes over the management of the Hotel Compatsch
2001   Demolition of the Gasthof Urthaler and the Yeti Bar
2002   The new Hotel Urthaler is opened on 2. December 2002
2003   New design of the hotel logo of the Seiser Alm Hotels with Seiser Alm Urthaler, Seiser Alm Plaza, Seiser Alm Compatsch
2004   Donation of a plot of land for the construction of a new church on Alpe di Siusi that is close to our hearts
2006   First Kneissl Star Lodge
2007   Putting green outside the Seiser Alm Plaza
2008   40 years of Seiser Alm Plaza
2009    Seiser Alm Urthaler is awarded its fifth star
2010   Renaming of the Kneissl Star Lodge to „die bar d&b“
2011   The new generation takes over
2012   10 year anniversary of Seiser Alm Urthaler
2013   End of use of Seiser Alm Compatsch as a hotel and change of use as employee house
2013   Expansion of the Seiser Alm Urthaler: 9 rooms, construction of a smokers’ lounge and a further restaurant
2017   Thomas Urthaler has won the architecture competition for the redesign of compaccio, we hope for a quick implementation 
2019     Redesign of the sauna area and extension of a new relax room