Staff augmentation vs hiring vs outsourcingFair question.
Here is the honest table.

Sometimes you should hire. Sometimes a freelancer is right. This page says when, including when it is not us.

Four ways to get the work done.

The last column is us; the other three are fair
Hire in-houseBig outsourcerFreelancersHopsig
First commitAfter the recruiting cycleAfter the statement of work and the benchDays, if you find the right one10 working days
Who you getWhoever appliedWhoever was freeOne person, as good as their last jobNamed engineers you interview first, led by a senior
Who manages themYouAn account managerYouWe manage the person; you direct the work
LeavingNotice period, severance, a gapContract term, often a yearWhenever, both ways30 days, either side
IP and codeYoursCheck the MSACheck the contractYours on payment, in your repo from day one
Cost shapeSalary, taxes, equipment, recruiter fee, ramp-upBlended rate, minimum team sizeDay rate; no cover when they are illDay rate; cover and holidays handled; no recruiter fee
Right choice whenThe work is permanent and coreYou need forty people and a programme officeA fortnight of specialist workThree to twelve months of capacity, senior-led and measured