Outsourcing, initially for cost reduction, has become a strategic tool for businesses seeking specialized skills and flexibility. This text analyzes the academic research on outsourcing contracts from marketing and management perspectives, exploring theoretical foundations, contract design, operational management, and strategic implications, including the outsourcing of marketing functions like sales and customer service. It emphasizes balancing formal contracts with relational governance and aligning outsourcing efforts with overall strategic goals to mitigate risks and achieve desired firm-level outcomes.