Job Recruitment Website - Zhaopincom - Is it legal for the third-party recruiter of Shenzhen Sub-district Office to have no contract and social security?

Is it legal for the third-party recruiter of Shenzhen Sub-district Office to have no contract and social security?

It is illegal for the third-party recruiters of Shenzhen Sub-district Office to have no contract and no social security.

It is illegal for a company to sign a labor contract with employees, and employees can ask the company to pay double wages during the period of not signing a labor contract after one month. According to Article 10 of the Labor Contract Law, a written labor contract shall be concluded to establish labor relations. If a labor relationship has been established and a written labor contract has not been concluded at the same time, a written labor contract shall be concluded within one month from the date of employment.