If you are planning to get on with a project regarding home or business construction, then you can hire a sub constructor to get more ideas and experience for the job and also to get the work done faster. Sometimes, the principal contractor himself hires a sub constructor for the job, if he or she feels that the sub can handle the work. But sometimes, you can hire both for one job.
Before you hire a sub constructor for the work, you should consider a few things. Even if he has been recommended by the general or principal constructor himself for the job, you should ask for proper credentials and do a check up on the person too. See if he has any past records and look for his services records as well. Check for years of experience too. You should ask for other sub contractor options from the construction agency so that you can check them out yourself and make a decision.