In 2002, Mior was appointed to be the head coach of
Hong Kong. He coached
C.D. Nacional of Portugal for two seasons, from 2003 to 2005. After that, he returned to his native Brazil to coach
CA Paranaense and
Avaí FC. In 2007, Mior was appointed to be the head coach of
Hong Kong League XI to compete in
2007 Lunar New Year Cup. The team finished last after losing both matches after
penalty shootout. At the end of the
2006-07 Hong Kong First Division League season, during which he led
South China to the title, Casemiro Mior was awarded the Best Coach of the Year. He was fired as coach of
Portuguese Liga side
Belenenses on 7 October 2008, after he only managed to get 2 points in 5 matches. ==Honours==