This volume comprises the proceedings of the 28th Systems, Software and Services Process Improvement (EuroSPI) Conference, held during September 1–3, 2021 in Krems, Austria.
Conferences have so far been held in Dublin (Ireland) in 1994, in Vienna (Austria) in 1995, in Budapest (Hungary) in 1997, in Gothenburg (Sweden) in 1998, in Pori (Finland) in 1999, in Copenhagen (Denmark) in 2000, in Limerick (Ireland) in 2001, in Nuremberg (Germany) in 2002, in Graz (Austria) in 2003, in Trondheim (Norway) in 2004, in Budapest (Hungary) in 2005, in Joensuu (Finland) in 2006, in Potsdam (Germany) in 2007, in Dublin (Ireland) in 2008, in Alcala (Spain) in 2009, in Grenoble (France) in 2010, in Roskilde (Denmark) in 2011, in Vienna (Austria) in 2012, in Dundalk (Ireland) in 2013, in Luxembourg in 2014, in Ankara (Turkey) 2015, in Graz (Austria) in 2016, in Ostrava (Czech Republic) in 2017, in Bilboa (Spain) in 2018, in Edinburgh (UK) in 2019, in Düsseldorf (Germany) in 2020, and in Krems (Austria) in 2021.