Can the employer find out the company where the employee paid social security before?

Yes, the new company can check the previous social security records.

A, the current company to help pay social security can check the former company social security records

Can see. According to the "Chinese people*** and the State Social Insurance Law" Chapter IX Article 74 provides that employers and individuals can free of charge to the social insurance agency to query, check their contributions and enjoy the social insurance treatment records, and require the social insurance agency to provide social insurance consulting and other related services.

Legal basis: The Social Insurance Law of the People's Republic of China

Article 4: Employers and individuals within the territory of the People's Republic of China shall pay social insurance premiums in accordance with the law, and shall have the right to inquire into the records of their payment of premiums and individual rights and interests, and to request the social insurance administrative organizations to provide them with social insurance consulting and other related services.

Individuals enjoy social insurance benefits in accordance with the law, and have the right to supervise the payment of contributions for them by their own units.

Article 58 An employer shall, within thirty days from the date of employment, apply for social insurance registration with a social insurance agency for its employees. If it fails to apply for social insurance registration, the social insurance administrative organization shall approve the social insurance contributions it should pay.

Individual industrial and commercial households without employees who voluntarily participate in social insurance, part-time workers who do not participate in social insurance with their employers, and other flexibly employed persons shall apply to the social insurance administrative organization for social insurance registration.

The State establishes a nationally unified individual social security number. Individual social security numbers are citizens' identity numbers.

Second, whether the company can check the employee's social security record

1, the company can check the employee's social security record. The company can ask the social security agency for its query service, and workers can also ask for personal query, according to the law, with ID card, social security card, etc. to the social security agency to apply for.

2, the legal basis of the Chinese people's *** and the State Social Insurance Law

Article 4 of the Chinese people's *** and the State of the employers and individuals in the territory of the social insurance premiums in accordance with the law, have the right to query the payment record, personal rights and interests of the record, and request the social insurance agencies to provide social insurance consulting and other related services. Individuals enjoy social insurance benefits in accordance with the law, and have the right to supervise the payment of contributions for them by their own units.

Article 74: Social insurance agencies shall keep timely, complete and accurate records of the contributions made by individuals participating in social insurance and the contributions made by employers on their behalf, as well as records of the rights and interests of individuals enjoying social insurance benefits, and shall regularly send individual rights and interests records to the individuals free of charge. Employers and individuals can inquire and check their records of contributions and social insurance benefits with the social insurance administration organizations free of charge, and request the social insurance administration organizations to provide social insurance consultation and other related services.

I hope the above can help you, if you have other questions please consult a professional lawyer.

Legal basis: "Chinese people's *** and the State Social Insurance Law"

Article 4 of the Chinese people's *** and the State of the employers and individuals in the territory of the social insurance premiums in accordance with the law, have the right to query the payment record, personal rights and interests of the record, and require the social insurance agencies to provide social insurance consulting and other related services. Individuals enjoy social insurance benefits in accordance with the law, and have the right to supervise the payment of contributions for them by their own units.

Article 74: The social insurance institutions shall obtain the data necessary for social insurance work through business operations, statistics and surveys, and the relevant units and individuals shall provide them in a timely and truthful manner.