Sorted vs Sorted out

Sorted has a few specific meanings in British English that are extrapolations from the usual meaning of 'sort out', ie to put things in order. They are slang expressions and 'sort out' would still be preferable in formal or written English, although not for all the slang meanings below.

The slang meanings of 'sorted' are described by the Oxford Living Dictionaries:

sorted (adjective, British informal)

• organized, arranged, or dealt with satisfactorily. 'And your social commitments?' 'They’re well sorted' | he's working on that old car he's been trying to get sorted

• (of a person) confident, organized, and emotionally well balanced. after a while, you realize they're not as sorted as they seem | a pretty sorted kind of bloke

• (of a person) prepared for or provided with something (especially illegal drugs)

@Henry mentioned the more menacing usage above, described by Oxford Living Dictionaries:

sort someone out (informal) Deal with a troublesome person, typically by reprimanding or punishing them: 'if he can't pay you, I'll sort him out'

Well, when I've spent time in England I frequently heard the term "sort you out" as meaning "get you what you need."

Person 1: "I need two tickets to the Man-United / Liverpool match tonight."

Person 2: "Well, just see me mate Archie then. He'll sort you out."