Upwork

•  Upwork offers companies the ability to post projects, be matched by AI to potential gig workers and bill through the platform. Upwork can price projects or companies can select their own prices and project details.
• Upwork can be used to hire individual gig workers or entire teams.
• The platform does not charge any upfront fees for workers, companies pay 3% for payment processing.

Freelancer

• Freelancer offers a similar marketplace as Upwork. Companies can post a project or browse freelancers looking for gig work.
• Freelancer is free to sign up for and to post projects. Fixed priced projects are subject to a 3% or $3.00 USD fee, whichever is greater. For hourly projects the fee is 3% on each payment to the freelancer.

Early Findings

• Early research suggests there are a number of marketplaces to find research gig workers, however the ones identified so far are based on projects and carry fees.