Add Comment Question: Can my company drug test me Answer: In very rare circumstances, an employer is permitted to drug test its employees. However, in the majority of cases, this is not legal in Ontario. To determine whether your employer is permitted to drug test you, please contact our firm to discuss the matter further. Your Comment * Your Email * Your Name * Your City Note, your name, city and email is not displayed on the website. It is used to notify you that we have approved your comment.