What social security do companies, legal persons and individuals need?

Legal analysis: 1. First open an enterprise social security account in the jurisdiction where the enterprise is located.

2. Participate in enterprise social security like employees and transfer the social security relationship to the account of the enterprise.

3. In the first month of social security payment, print the payment list in social security (the list includes employee's name, ID number and payment base, etc.).

4. Handle the social security withholding formalities entrusted by the same city (this is handled at the bank where the enterprise opens an account).

5. In the future, you only need to submit the insured increase or decrease form to the social security every month.

Legal basis: Article 58 of People's Republic of China (PRC) Social Insurance Law. The employing unit shall handle social insurance registration for employees within 30 days from the date of employment. If the social insurance has not been registered, the social insurance agency shall verify the social insurance premium it should pay.

Employees-free individual industrial and commercial households who voluntarily participate in social insurance, part-time employees who do not participate in social insurance in the employing unit and other flexible employees shall apply to the social insurance agency for social insurance registration.

The state establishes a national unified personal social security number. Personal social security number is a citizen's identity number.