companies will pay "cleaning companies" $20/hr for people who end up getting paid $10/hr to avoid the entanglement of needing to 'hire' employees directly at, s

companies will pay "cleaning companies" $20/hr for people who end up getting paid $10/hr to avoid the entanglement of needing to 'hire' employees directly at, say, $13/hr. There's often more nuance to that scenario - basically, most companies don't need full-time cleaners. However, it still strikes me as more than a bit odd.