How can companies complain if they don't buy social security?

Legal analysis: It is illegal for a company not to buy social security. Please report to the social insurance administrative department according to law. The tip-off number is 12333.

Legal basis: Article 82 of People's Republic of China (PRC) Social Insurance Law. Any organization or individual has the right to report and complain about violations of social insurance laws and regulations. Social insurance administrative departments, health administrative departments, social insurance agencies, social insurance fee collection agencies, financial departments and audit institutions shall, within their respective functions and duties, handle reports and complaints according to law; If it is not within the scope of responsibilities of the department or institution, it shall be informed in writing and handed over to the department or institution that has the right to handle it. Departments and institutions that have the right to deal with it shall deal with it in time and shall not shirk it.

Article 79 of People's Republic of China (PRC) Labor Contract Law Any organization or individual has the right to report any violation of this law, and the labor administrative department of the people's government at or above the county level shall promptly verify and handle it, and reward those who report meritorious service.