This is the name of Portuguese affiliate of Sony Music which was used since at least 2010.
Sony Music has been previously represented in Portugal under these labels:
CBS (Portugal) Música E Discos, Lda. (first subsidiary, until around 1991)
Sony Música (Portugal) Lda. (between at least 1992 to 1998)
Sony Music Entertainment (Portugal) S.A. (between 1999 to 2004)
Sony BMG Music Entertainment (Portugal) (between 2005 to 2008)
Sony Music Entertainment Portugal Lda. (2009 to 2010, but usage continued on some releases)