Contractual form outsourcing means that a company entrusts an external professional organization or individual to undertake some important work related to the company's business. The person to whom it is entrusted must sign a contract to ensure the quality and legitimacy of the service. Outsourcing services usually include information technology, accounting management and human resources. Outsourcing can help companies reduce internal management costs, improve efficiency and reduce risks.

The advantage of outsourcing is that it allows companies to focus mainly on their core business and let external organizations take care of other aspects. This approach not only reduces corporate management costs, but also expands the company's network and enhances its market competitiveness. The trustee of the outsourcing service has rich experience and professional knowledge, and can provide personalized services to make the enterprise more adaptable to market changes and competition.

In the outsourcing service contract, it is necessary to specify the content of the service, time, cost, liability and confidentiality agreement and other related terms. These clauses can effectively ensure the quality and legality of outsourcing services, so that the commissioning enterprise can rest assured that some important business outsourcing to professional organizations or individuals. Contractual form of outsourcing is also an effective way of management, can improve the flexibility and responsiveness of the enterprise, so that the enterprise more adaptable to changes in market demand.