What is the difference between paying social security by affiliated units and paying by themselves?

Legal analysis: The difference between affiliated companies paying social security and paying by themselves mainly lies in the following contents: 1, the difference of insurance types. There are five main insurance items linked to social security in the unit, namely, endowment insurance, medical insurance, unemployment insurance, industrial injury insurance and maternity insurance. 2. The cost is different. If it is linked to social security, then the part originally paid by the unit in social security also needs to be paid by individuals. The parties must also pay the agency fee to the social security institution.

Legal basis: Article 12 of the Social Insurance Law of People's Republic of China (PRC), the employing unit shall pay the basic old-age insurance premium in proportion to the total wages of its employees as stipulated by the state and record it in the basic old-age insurance pooling fund. Employees shall pay the basic old-age insurance premium in accordance with the proportion of wages stipulated by the state and record it in their personal accounts. Individual industrial and commercial households without employees, part-time employees who have not participated in the basic old-age insurance in the employing unit and other flexible employees who have participated in the basic old-age insurance shall pay the basic old-age insurance premiums in accordance with state regulations and record them in the basic old-age insurance pooling fund and individual accounts respectively.