Is it illegal for a company that left before 10 not to pay social security?

Illegal.

Lawyer's analysis

Illegal.

According to the law, if the employee terminates the labor relationship with the employer, the employer shall pay social security to the employee in the month when the employee leaves his job.

And the original unit will insure it according to normal conditions, and the payment will be suspended from the next month.

legal ground

Article 84 of the Social Insurance Law

If the employer fails to apply for social insurance registration, the social insurance administrative department shall order it to make corrections within a time limit;

If no correction is made within the time limit, the employer shall be fined more than one time and less than three times the amount of social insurance premiums payable, and the directly responsible person in charge and other directly responsible personnel shall be fined more than 500 yuan and less than 3,000 yuan.