I'm sure if they know the implications of breaking the law, and don't mind doing so, there is nothing that can stop them from applying for your work visa.
Work visas have been generally transferable with much problem. Not sure how true that is in the current scenario.
By the way, it will eventually catch up with you when you try to renew your visa and immigration finds out that your employer has not filed tax returns. Unlike the US, the various govt departments are interlinked and all files are indexed by your ID card.
