Contracts are on case-by-case basis but generally no. On the other hand, that's why so many companies do not want to hire contractors even when the task is well

Contracts are on case-by-case basis but generally no. On the other hand, that's why so many companies do not want to hire contractors even when the task is well-suited for such an arrangement. They want a butt in a chair financially dependent on them first, and the deliverable second (if at all). Disclaimer: contractor so my response might be obviously biased.