Earlier quoted context omitted.
Ozarks
The TV show seemed fairly incoherent in its treatment of money laundering. They're explicit about the mechanics, sort of: the idea is that Marty shows up in a rural area with a big bag of cash and he needs to make it appear legitimate - and he does this by taking ownership stakes in local businesses. So far so good. What you'd actually want, in that kind of setup, is to hand the active owner of the business you just…
eg: Your (say) hotel | bar falsely inflates customer income and then spends the illegitimate cash (supposedly from customers that don't exist) on rennovation works and "new" carpets, plumbing, etc that don't exist - the shell trades companies (carpentry, plumbing, labor hire) can report that money as legitimate washed income from the hotel.
There are a number of variations of this.