Is it reasonable for intermediary companies not to pay social security?

Legal analysis: According to the law, the employer shall register social insurance for its employees and declare and pay social insurance premiums within 30 days from the date of employment. If the company fails to pay social insurance premiums for its employees according to law, the employees may terminate the labor contract.

Legal basis: Article 63 of the Social Insurance Law of People's Republic of China (PRC) stipulates that if an employer fails to pay social insurance premiums in full and on time, the social insurance premium collection agency shall order it to pay or make up within a time limit. If the employer fails to pay or make up the social insurance premium within the time limit, the social insurance premium collection agency may inquire from banks and other financial institutions.