It has two pricing variants – either they get paid based on the project, fixed project or time material model. You will have to check the feasible option. For a fixed project, rates can be quoted based on the type of website after defining overall scope of work, and for time and material model, pricing can be charged based on the total hours spent by the developers, and based on the expertise. such model is offered when the scope of work can't be fixed and for product development projects.