as far as someone (something) is concerned

US /æz fɑːr æz ˈsʌmwʌn (ˈsʌmθɪŋ) ɪz kənˈsɜːrnd/
UK /æz fɑːr æz ˈsʌmwʌn (ˈsʌmθɪŋ) ɪz kənˈsɜːrnd/
"as far as someone (something) is concerned" picture
1.

per quanto riguarda, quanto a

used to show what someone's opinion about something is, or how a particular thing affects them

:
As far as I'm concerned, it's a great idea.
Per quanto mi riguarda, è un'ottima idea.
As far as the budget is concerned, we need to cut costs.
Per quanto riguarda il bilancio, dobbiamo tagliare i costi.