What’s important to note is that freelancers are self-employed individuals who function as their own business. Freelancers are typically individuals who:
pay self-employment tax
do not have employees (but they can subcontract)
set their own rates
work remotely at their own location
choose which project and clients they want to work with
work with multiple clients
Most freelancers won't receive any tax forms from their contracts on Upwork. However, there are two important exceptions:
W-2 Exceptions - If you and your client agreed that you are an employee.